Chinese scientists allegedly develop ‘clothes rack’-like anti-stealth radar


The Chinese anti-stealth radar uses waves that are more than a meter long and have a frequency of only 3.3 feet, says report.

Christopher McFadden

Created: Aug 17, 2022 10:31 PM

The new radar system can be fitted to rooftops.

KuntalSaha/iStock

Chinese scientists have allegedly developed an anti-stealth radar that could be quietly and easily set up almost anywhere, including a rooftop, reported the South China Morning Post on the 16th of August 2022.

Anti-stealth radar systems often need a big antenna to pick up the weak signature of stealth planes that use technology to block or deflect radar signals. This new compact system, however, if true, could prove to be revolutionary.

Image Radar screen.

“Although the detection accuracy of the radar can be improved by increasing the antenna aperture, it will reduce the mobility and survivability of the radar platform,” said professor Yang Minglei in a paper published in the domestic peer-reviewed journal Modern Radar on August 11.

The metric wave radar array is comparable in size and looks like a “clothes-drying rack.” It was created by Yang and his colleagues of the national laboratory of radar signal processing at Xidian University, Xi’an, according to a picture published in the journal.

Researchers say that in several tests done on top of a building on a university campus, the mobile device did better in terms of accuracy and range of detection.

China has a complex air defense system that includes anti-stealth radar stations, especially along the South China Sea and eastern Pacific Ocean coasts.

In 2013, Wu Jianqia, lead scientist in the military’s anti-stealth radar program, claimed that Chinese radar systems could detect and track American F-22 jets, which are thought to be the most advanced and potent stealth fighters in the world, flying several hundred kilometers off the Chinese coast.

Weather radar dome. chinaface/iStock (image omitted)

The Chinese anti-stealth radar uses waves with a frequency of just over 3.3 feet (about a meter). According to Wu, these low-frequency waves may contact the massive parts of the stealth aircraft, like its wings or tail, and produce echo signals that are more than 100 times stronger than those of military radar that uses higher frequencies.

Most radar systems are much bigger

The majority of metric wave radars are enormous. Even portable versions, when fully extended, can reach heights of tens of meters. They typically take hours to set up and require massive trucks to tow them, making them prime targets for satellites and drones.

In 2019, the Israeli air force destroyed Syria’s Chinese-made JY-27 metric wave radar. Based on the information available to the public, the device was thought to be a smaller version of those used by the People’s Liberation Army. But, the incident has made people worry about how long these anti-stealth systems will work.

However, Yang’s team’s metric-wave radar system is made up of two identical antennas on the same roof, about 20 meters apart.

After one antenna sent out a burst of low-frequency electromagnetic pulses, the two antennas, which were connected by an optical wire, would work together to detect the signals that came back.

Example of an military radar system.

AntonMatveev/iStock (image omitted)

Researchers say that the relatively large coverage area of the dual-antenna array made it possible for the device to pick up more long waves reflected off a target.

The distance between the antennas also produced extra noise or erroneous signals that might have harmed accuracy.

Although the concept of splitting a large metric wave antenna into multiple smaller ones has existed since the 1980s, Yang claims that real applications of the technology are still uncommon due to instability and a degree of inaccuracy.

The new radar also has some clever software

The Chinese researchers behind the new radar has also claimed that by analyzing data gathered by antennas in various places, they had built an algorithm that could separate useful information from loud background noise.

Yang’s team said that the new radar sent out more data than usual, so they had to use four locally-made Hunxin 1 chips.

U.S. Anti-Aircraft radar system.

ewg3D/iStock (image omitted)

The Hunxin 1 is a processor the size of a coin designed and made in China. It was made with 55nm technology, which is too old to be affected by U.S. sanctions against China. It has been widely used in Chinese cars, factories, and military equipment for almost a decade because it is cheap, works well, and stays stable in tough situations.

“The chip has a quad-core parallel processing structure with powerful floating-point computing capabilities, which can very well meet the application requirements of high-speed real-time signal processing,” Yang said.

Because stealth technology is so sensitive, no one knows yet how well the new radar will work to find real stealth aircraft. But Yang’s team said that they had been using the system to track many civilian planes, and the data showed that it seemed to be a good solution.

In other parts of China, researchers are developing other new anti-stealth radar systems too.

For example, a research team from the Nanjing Research Institute of Electronics Technology has claimed that they had created a small metric radar that could open up considerably more quickly than current models.

Other research teams are boosting the power of high-frequency radar in order to increase the range and possibility of detecting stealth targets.

If these claims are true, then beams from many radar stations hundreds of kilometers away can be used to light up a stealth target. This technology can pick up signals that are invisible to standard radar and technology.

Source: Interesting Engineering “Chinese scientists allegedly develop ‘clothes rack’-like anti-stealth radar”

Note: This is Interesting Engineering’s article I post here for readers’ information. It does not mean whether I agree or disagree with the article’s views.


H-20: WHAT WE KNOW ABOUT CHINA’S STEALTH BOMBER


Alex Hollings | July 13, 2022

Late last week, China’s Global Times reported on an impending test flight of a strategically important aircraft. This prompted a slew of predictions that the nation’s first stealth bomber, commonly known as the Xian H-20, may soon be unveiled. If true, the H-20 would be the world’s first publicly disclosed non-American stealth bomber ever to fly, and could usher in a new era of strategic airpower competition. (This reblogger’s note: Who competes with whom? If it’s China competing with the US the development of J-20 must have ushere in the new era. If it’s the US competing with China, there have been nothing reported. However, we should be clear that China develops its H-20 not to compete with US stealth bomber for world leadership in stealth bomber technology but to counterattack the US when it has been attacked by the US. Therefore, the comparison is entirely irrelevant. What we have to compare is H-20 v. US air defense and US B-21 v. China’s air defense. I have posts describing China’s advanced radar that can detect and trace stealth warplanes and J-20’s air dominance near China’s air space. The question now is whether B-21 can penetrate such defense. While H-20 that can attack the US with hypersonic missile from far away, the question then is whether US air force and defense are able to deal with such attack.)

The only operational stealth bomber in the world today is America’s Northrop Grumman B-2 Spirit, which first flew in 1989 and entered operational service in 1997. Unlike any other operational stealth platform in the world today, the B-2’s flying wing design is effective at limiting detection from both high and low-frequency radar bands. As a result, the somewhat dated and significantly larger B-2 Spirit is often more difficult to detect and track than even America’s most modern stealth fighter, the F-35.

F-35 (top) and B-2 (bottom). (U.S. Air Force photo) (image omitted)

Stealth fighters like the F-35, F-22, J-20, or Su-57 are all limited by the physical requirements for aerobatic fighter performance, forcing the inclusion of design elements like vertical tail surfaces that can render them detectable against low-frequency radar arrays. However, these arrays lack the image fidelity necessary for actual targeting. In other words, when a stealth fighter is in the neighborhood, you know it’s there, but lack the ability to reliably shoot it down. But when a stealth bomber is flying high overhead… you may not even realize it.

Today, America’s two-decade-plus monopoly on heavy-payload, deep-penetration, stealth-bomber technology may be approaching an end. But with America’s own next-generation stealth bomber, the Northrop Grumman B-21 Raider, now in the later stages of development, will China’s H-20 be its next-generation peer, or just another page ripped from America’s low-observable past?

China’s stealth bomber program has been developing behind a shroud of secrecy

What We Know About the Xian H-20, China’s New Stealth Bomber

Screen capture from PLA recruiting video.

Rumors of China working to develop a stealth bomber began emerging in the early 2000s. These were often tied to reports of Chinese officials gaining access to the wreckage of an American F-117 Nighthawk that was shot down over Yugoslavia in 1999. Throughout much of the following decade, rumors persisted that China was working to develop their own Nighthawk-equivalent — in other words, a low-observable attack aircraft leveraging a similarly angular design to Lockheed’s F-117.

In 2005, Noshir Gowadia, a Northrop Grumman design engineer who had helped to develop the B-2 Spirit’s propulsion system, was arrested and charged with selling information regarding the bomber program to the Chinese government. Gowadia would ultimately be convicted and sentenced to 32 years in prison for his violation of the Arms Export Control Act.

B-2 Spirit in flight (U.S. Air Force photo) (image omitted)

By 2009, details began to emerge of a Chinese stealth fighter program under development. The program would ultimately result in fielding the Chengdu J-20 Mighty Dragon, which entered service in 2017. With an increased expectation that China would skip over the early stealth design elements found in the F-117 and focus instead on fielding a fighter comparable to America’s new F-22, rumors of an attack-specific Nighthawk clone waned in favor of a new concern: a Chinese stealth bomber in the vein of America’s own B-2.

Those rumors got a bit more credible in 2013 when German author and Chinese aviation expert Andreas Rupprecht published renders and pictures of models that appeared to show the basic design of a forthcoming Chinese stealth bomber. The twin-engine aircraft appears to blur the lines a bit between stealth fighter and bomber, sharing some design cues with both Northrop’s B-2 Spirit and its defunct competitor for the F-22, known as the YF-23.

This suggests the design shown is not for a heavy payload platform like the B-2, but rather part of China’s other developmental stealth effort to field a medium-range fighter-bomber. Nonetheless, it clearly demonstrated that China was incorporating stealth design elements into its next generation of bombers.

Andreas Rupprecht via the Aviationist. (image omitted)

As some outlets also noted at the time, the wing shape of China’s theoretical stealth bomber appeared similar to artist renderings of Russia’s own advanced low observable bomber program, known as the PAK DA, which had been under development since 2009.

By July of 2014, the veil was beginning to lift over China’s stealth bomber efforts, with a full-page feature published in the state-run China Daily newspaper highlighting the future developments of China’s modernizing military. Highlighted among these efforts was the development of an “intercontinental strategic bomber capable of penetrating an enemy’s air defences.”

The article outlined the need for a bomber that could carry 10 tons of ordnance for a minimum of 8000 km (4,970 miles) without refueling. This would place America’s military installations on Guam well within its reach without the need for mid-air refueling.

China’s stealth bomber program wasn’t officially recognized until 2016

H-20: China’s New Stealth Bomber Could Have a 7,500 Mile Range – 19FortyFive

Artist rendering of the H-20. (Chinese internet) (image omitted)

In 2015, artist renders of what is believed to be China’s other stealth bomber program made their way into Western media reports. These images bore a striking resemblance to the 2013 models and images, suggesting stealth bomber development in China was continuing to mature.

Evolving concepts … This concept art shows a futuristic Chinese tactical bomber over disputed islands in the South and East China Seas. Any strategic bomber would be much larger.

Artist renderings of China’s medium-range stealth bomber in development.

In 2016, China’s People’s Liberation Army Air Force commander General Ma Xiaotian formally announced the nation’s efforts to develop a new generation of long-range bombers. According to a 2021 assessment conducted by the Office of the Secretary of Defense, this effort was likely in reference to the development of China’s stealth bomber, which is often referred to as the H-20.

That same assessment also indicates that China has had success in trying to reach the goals outlined in the 2014 China Daily column, stating that this new bomber would likely employ 5th generation (stealth) technologies, boast a range of “at least 8,500 km” (5,281 miles), a payload capacity of “at least 10 metric tons,” and nuclear-weapon-delivery capabilities. The same 192-page report also refers to the H-20 as a “flying wing stealth bomber.”

In 2018 China seemingly confirmed that its forthcoming H-20 stealth bomber would leverage a flying wing design reminiscent of America’s own B-2 Spirit. In a video released by the Aviation Industry Corporation of China (AVIC), an aircraft that looked like a flying wing sat under a drop cloth in a strikingly similar presentation to Northrop Grumman’s own SuperBowl commercial featuring the forthcoming B-21 Raider.

First Official Rendering Of China’s H-20 Stealth Bomber Emerges In Glitzy Recruiting Video

Northrop’s B-21 teaser top, China’s H-20 teaser bottom.

While the Chinese video didn’t overtly discuss the stealth bomber it seemed like an intentional effort to frame the H-20 as China’s response to America’s new stealth bomber.

What we think we know about the H-20

Why China’s Mysterious Stealth H-20 Bomber Could Be a Real Threat | The National Interest

H-20 renders from China’s “Modern Weaponry” magazine.

There is very little we can say for sure about China’s H-20 stealth bomber at this point, but there are a number of things we can assert with some level of confidence. First and foremost, it will almost certainly be a flying wing design similar to that of America’s B-2 Spirit. This offers a number of significant stealth advantages. As we discussed earlier, this approach to stealth design limits the aircraft’s return not only against targeting radars that leverage X or similarly high-frequency bands, but also against early warning low-frequency radar bands as well.

The H-20 is expected to be nuclear-capable, firmly establishing China’s own nuclear triad of land-based missiles, submarine-launched ballistic missiles, and a long-range nuclear strategic bomber. A nuclear triad is commonly seen as a means of ensuring Mutually Assured Destruction, as it limits an opponent’s ability to wipe out your nuclear arsenal in any single attack.

In a well-researched analysis of the chances the H-20 may soon be taking flight penned by Thomas Newdick for The Warzone, he highlights that the stealth bomber may carry an active electronically scanned array (AESA) radar and specialize in deploying long-range munitions like subsonic cruise missiles via an internal rotary launcher.

The Common Strategic Rotary Launcher being loaded into a U.S. Air Force B-52 Stratofortress. (U.S. Air Force photo) (image omitted)

If intelligence assessments of the H-20’s potential range prove accurate, cruise missiles could help close the apparent range gap between the H-20 and B-2. The Pentagon believes the H-20’s range is “at least” 5,281 miles, as compared to the B-2’s nearly 7,000. The mainland United States is more than 7,200 miles from Chinese shores and the presence of refueling tankers over the Pacific could potentially tip American defenses off about an impending strike. Yet, long-range, low-observable nuclear cruise missiles could play a role in China’s plans for a reliable means of nuclear weapon delivery from the air that could compensate for the distance.

Will the H-20 be more like the B-2 or the B-21?

After Two Years of Delays to America’s B-21 Bomber – Rival Chinese H-20 May Fly First

image: B-21, H-20

Artist renderings of China’s medium-range stealth bomber in development.

China has made rapid progress modernizing its military apparatus, including fielding one stealth fighter and moving toward placing a second into service. However, to date, China does not appear to have demonstrated the same capacity that the United States has for fielding extremely low observable platforms.

The J-20, China’s current stealth fighter, is believed to boast a very small radar cross-section (RCS) from head-on, but the aircraft itself is largely considered to be far more observable than either of America’s stealth fighters. Expert assessments of the J-20’s RCS range from .5m2 all the way to 3m2, as compared to the F-22s reported .0001m2 or the F-35’s .0015m2. While harder to detect than Russia’s Su-57 Felon, the J-20’s stealth profile just doesn’t seem to be on par with the least detectable fighters of its generation. (The reblogger’s note: What’s relevant is whether the US can detect and shoot down long away from its homeland H-20 with such RCS. If it cannot, why shall H-20’s RCS be smaller? The bomber has been developed for attack not for stealth leadership.)

And there’s little evidence to suggest that China will be able to leapfrog the B-2’s low-observable capabilities in order to contend with the smaller and stealthier B-21 Raider. (This reblogger’s note: There’s little evidence either that China will not be able to leapfrog the B-2’s low-observable capabilities. However as noted above, the bomber is developed for attack. As long as it’s stealth enough not to be detected and shot down, the stealth will be quite enough.) In fact, it’s reasonable to assume that the H-20 may not be able to offer the same stealth performance as the B-2 itself, as the aircraft benefits from decades worth of operational experience and updating. While mission planning is not often discussed, it’s actually among the most important aspects of stealth operations.

“In the B-2 community, we say ‘mission planning is our primary tactic’ and our quality of mission planning is what sets us apart,” said B-2 pilot Lt. Col. Christopher Conant, 393rd Expeditionary Bomb Squadron commander, in an interview with DVIDS. (This reblogger note: This article’s comparism shows US B-2 community’s ignorance in its mission planning.)

So, while America’s stealth bomber monopoly may soon be ending, its stealth reign does not appear to be over just yet. (Since this article tells nothing about US capabilities to defend China’s H-20, what is the use of America’s stealth bomber monopoly?)

Source: sandboxx.us “H-20: WHAT WE KNOW ABOUT CHINA’S STEALTH BOMBER”

Note: This is sandboxx.us’s article I post here for readers’ information. It does not mean whether I agree or disagree with the article’s views. Some of my views can be found in This reblogger’s notes.


PLA Anti-stealth Radars Showcased in Zhuhai Airshow


Wenweipo’s report on Zhuhai Airshow “解放軍情報雷達亮相航展 專家:可讓美F22無法隱身 (Translated into English: PLA Intelligence Radars Showcased in Zhuhai Airshow: Experts: They may make US F-22 unable to be stealthy)” on October 2, 2021 describes China’s new anti-stealth radars.

Intelligence Radar 609 is China’s air-defense and anti-missile early warning equipment characterised by multi-functions, big power and strong ability to be adapted to complicated electromagnetic surroundings.

Intelligence Radar 610 is the upgraded versiono Radar 609. It is China’s backbone air-defense and anti-missile early warning equipment characterised by advanced technology system, multi-modes of reconnaissance and strong anti-stealth, anti-jamming and target identification capabilities.

Both radars are mainly used for long-range reconnaissance of stealth fighter jets and missiles and have become China’s main forces in dealing with stealth warplanes.

Summary translation by Chan Kai Yee of wenweipo.com’s report, full text of which in Chinese may be viewed at https://www.wenweipo.com/a/202110/02/AP6157f3f6e4b08d3407ddbf8b.html.


China’s Anti-stealth Radars, Advanced in the World


Global Times describes China’s new anti-stealth radar in its report titled “Chinese radar can sense everything” on product release by CETGC’s 14th Research Institute at Zhuhai Airshow on September 28, 2021. In his reply to a reporter’s question, Cao Jian, deputery director of the institute says that at present his institute has established a system of anti-stealth surveillance equipment that covers all wavebands, combines various systems of reconnaissance and integrates ground, sea, air and space surveillance equiptment. The system is quite advanced in the world.

At the airshow, the institute displays two of its advanced radar

YCL-8E

YLC-8E Mobile UFH anti-stealth Air Devense Warning Radar

SLC-7L

SLC-7L Waveband 3-Coordinates Warning Radar

Summary translation of Global Times report, full text of which in Chinese can be viewed at https://mil.huanqiu.com/article//44xGKm9D4k7.


China One Step Closer To ‘Hunt Down’ US’ F-35, F-22 Stealth Fighter Jets With New Radar Technology


By Aritra Banerjee- September 4, 2021

If the height of the Cold War between the US and Russia introduced the world to American stealth technology, then the second Cold War with China could mark the end of the US’ stealth dominance.

The US operates two of the most advanced stealth fighters in the world — F-35 Lightning II and F-22 Raptor while China is finding ways to counter it.

Low observable technology, commonly referred to as stealth, traces its roots to the YB-49, an experimental aircraft designed by Jack Northrop in 1947. Its next evolution was found in a nondescript Russian academic research paper in the 1960s.

However, the true need for stealth was felt by policymakers in Washington at the height of the Cold War in the 1970s.

This strategic requirement gave birth to the world’s first two operational stealth aircraft: the Lockheed Martin F-117 Nighthawk and the Northrop B-2 Bomber.

The four decades which followed saw American dominance in the skies, with its stealth combat jets such as F-35 and F-22 Raptor still flying undetected. However, the US’ stealth monopoly eventually is likely to come to an end with stealth technology becoming democratized.

Every revolution in military affairs is an outcome of advancements in technology, which by nature is ever-evolving, and with Beijing seemingly making strides in counter-stealth technology, Washington may soon lose its ‘invisible’ edge.

The Dragon’s Piercing Gaze

In November 2018, a prototype unveiled by the state-owned China Electronics Technology Group Corporation (CETC), which is the country’s leading defense electronics company, claimed that it could identify stealth aircraft in-flight.

This technology claimed to leverage quantum physics to reveal the location of stealth aircraft, rendering low observable technology near obsolete. This development, if proven, could be a game-changer against US stealth dominance.

Researchers at China’s Tsinghua University intend to develop a full-sized prototype and are scouting for an industrial partner to help bring the project to fruition.

Going by open-source intelligence, such a technology would likely work by generating an electromagnetic (EMW) storm which would serve to acquire the location of incoming stealth aircraft.

Chinese scientists have attempted to address the seemingly impossible behavior with the law of quantum physics. They explained that these high-energy particles would be able to acquire targets traditionally invisible to radar. It was further claimed that this detection would be possible from long-distance even in arduous climatic conditions.

However, physicist Jeffrey Shapiro, a professor at the Massachusetts Institute of Technology (MIT) and a pioneer of the quantum radar idea dispelled the Chinese notion.

He opined that the process is fraught with far too many technical issues for it to be of any use. But the Chinese research team asserts in its paper that the EMW storm led to 95 percent stealth detection.

If true, then this finding has major implications. Previously stealth was said to have a 10 percent chance of detection and these findings take the potential detection up to 85 percent.

Another interesting find was that the sensitivity of the radar did not suffer despite the increase in target distance. The quality of stealth materials also did not seem to make a difference. The Chinese researchers believe that this confirms a prediction by quantum theory.

“Chinese radar appeared relatively late. It was in a state of catching up in the past, and we were also under a strict blockade,” read a statement by the Tsinghua University research team in a document dated January.

“After continuous exploration, China has built its own anti-stealth radar from basic theory to successful application in practice. At present, no country can reach our level in this field,” they were quoted by the South China Morning Post.

Cold War 2.0

Reports in leading scientific and security journals reveal the level of research and funding going into quantum technology for military applications. Beijing and Washington have been in the middle of a quantum arms race over the past few years, drawing parallels to the Cold War.

Photo JY-27A

The JY-27A anti-stealth radar, developed by China Electronics Technology Group Corporation.

The North American Aerospace Defense Command (NORAD), a joint US-Canadian command, aims to leverage quantum radars for its Arctic stations. The onus of this project is on Professor Jonathon Baugh from the University of Waterloo in Canada.

In 2018, he was working on a system, which could potentially bypass conventional radar systems by appearing benign whilst carrying out its own detection. However, the Canadian researcher highlighted that there were various engineering challenges to this project.

China on the other hand claims to have broken through such barriers. However, it cannot be ascertained whether the CETC has truly managed to overcome limitations. In 2016, CETC claimed that its radar system can identify foreign objects from ranges as far as 100 kilometers, but the technical specifications of Beijing’s prototype remain highly classified.

The lack of any demonstration has led members of the American scientific committee to voice their skepticism over Chinese assertions.

Interestingly, Beijing has surpassed Washington in the number of quantum technology-related patents, indicating its commitment to the area. Furthermore, a study titled ‘Quantum Hegemony?

China’s Ambitions and the Challenge to U.S. Innovation Leadership’ published by the Center for a New American Security (CNAS), a US think tank, highlighted that the People’s Liberation Army (PLA) began major recruitment drives for quantum technology professionals.

It was also identified that the China Shipbuilding Industry Corporation (CSIC), started establishing quantum research centers in major universities. However, given the broad scope of the technology, it has been challenging to place a finger on which projects are being developed for defense and security purposes.

One thing is certain, however, that Beijing has placed a major premium on research into quantum technology. The Chinese Academy of Sciences and the Shanghai Government have gone so far as to sign a cooperation agreement to develop the Shanghai Research Center for Quantum Sciences on June 14, 2019. It is a leading name in quantum technology research at the university level.

According to the Quantum Daily, the Chinese Academy of Science leads as the top University in the field. It is closely followed by Harvard University, a premier American Ivy League institute.

The Max Planck Society (Non-Profit), Stanford University, another American Ivy League university; Helmholtz Association of German Research Centres, University of Maryland, College Park (US), University of Science and Technology China, University of Cambridge, University of Waterloo, and the University of Chicago (US) also feature on the list. These rankings show tight academic competition between both countries.

A 2018 defense report noted that the US is lacking in some key aspects and requires additional investment into them. The scope of the new Chinese project is not truly known, and Chinese Communist Party (CCP) propaganda cannot be ruled out.

However, the announcement does manage to doubt the future of American stealth capabilities and its own counter stealth research. However, given that the leading researchers into quantum technology are American allies, they can always collaborate to gain critical insights and counterbalance this perceived asymmetry.

Aritra Banerjee is a defense journalist who has worked in both online and print media. He has laid an emphasis on issues related to military human resources, tactical psychology, military-media relations, professional military education, and combat fitness. He can be reached on email: aritrareporter@gmail.com.

Source: EurAsia Times “China One Step Closer To ‘Hunt Down’ US’ F-35, F-22 Stealth Fighter Jets With New Radar Technology”

Note: This is EurAsia Times’ article I post here for readers’ information. It does not mean whether I agree or disagree with the article’s views.


China’s Most Advanced Anti-stealth Radars


I described in my post “China’s Brilliant Radars Displayed in Recent Nanjing Expo (1)” on April 28 in quite details two of the six top Chinese radars recently displayed In the 9th World Radar Expo at Nanjing, China from April 22 to 24 KLJ-7A fire control radar carried by fighter jet and SLC-2E artillery nemesis.

I now give detailed description of China’s two top anti-stealth radars SLC-7 three-dimensional early warning radar and YLC-8E anti-stealth early warning radar. This post shall be regarded as “China’s Brilliant Radars Displayed in Recent Nanjing Expo (2)”.

SLC-7 three-dimensional early warning radar

Photo SLC-7

SLC-7 three-dimensional early warning radar

The report regards SLC-7 as a champion radar with all-round capabilities. SLC-7 adopts a solid active digital phase array system able to ditect and track multiple targets and capable of resisting saturation attacks. It has various advantages including long range, high ratio of data, self-adapting resistance to jamming, high speed in identifying target, high reliability and the capability of simultaneous search, identification, capture and track of multiple targets.

The radar can be regarded as a top multipurpose radar with more applications than many other similar radars. It can deal with not only stealth aircrafts, conventional fixed win airplanes, helicopters, drones, cruise missiles, tactic missiles, near space targets, etc. but also position targets of artillery and rocket artillery.

It is prominent for its super anti-jamming capability.

YLC-8E anti-stealth early warning radar

Photo YLC-8E

Flag ship of anti-stealth radar YLC-8E

This is a UHF waveband three dimentional early waring radat with an antenna as big as a badminton court. Such an antenna gives it extreme high identification capability and great power and indicates its superb engineering achievement and technology. The radar, in addition, adoptes sophisticated information processing technology to ensure detection of the most advanced stealth fighter jets.

In addition to strong anti-stealth capability, the radar has lots of other characteristics such as the ability to detect various kinds of targets at long distance with high identification capability, strong anti-jamming capabiltiy, etc. Its major functions are better than similar types of radar abroad.

YLC-8E radar can provide comprehensive intelligence and information for combat command system, interception weapons system and air force. It has relatively strong capabilities of synthesizing intelligence and providing independent guidance.

Part two of summary translation of huanqiu.com’s article “Exclusive丨brilliant display of China’s ‘eyes of three military services’ in world radar expo”, full text of which in Chinese can be viewed at https://mil.huanqiu.com/article/42sqk2jWiQq.


China’s Brilliant Radars Displayed in Recent Nanjing Expo (1)


Quite a few most advanced Chinese radars are recently displayed In the 9th World Radar Expo at Nanjing, China from April 22 to 24, including KLJ-7A fire control radar carried by fighter jet, SLC-2E artillery nemesis, SLC-7 three-dimensional early warning radar, YLC-8E anti-stealth early warning radar, YLC-18 low altitude defense radar, YLC-48 portable multi-functional reconnaissance radar nicknamed drone terminator, etc.

Among them, KLJ-7A is China’s first active phase array fire control radar for fighter jet to be marketed in world market. It is characterized by high degree of freedom, broad band-width and strong anti-jamming capability. It can easily generate various wave shapes to deal with different kinds of target, can, in addition, simultaneously counter source of interference at various directions. It is as good as similar top products in the world in view of its entire technology.

KLJ-7A fighter jet fire control radar. Photo by Yang Tiehu

Its speed of overall response has been greatly raised due to the use of optical fiber for data transmission so that its capability to monitor far-away targets is twice better than traditional radar.

KLJ-7A radar can track and guide missiles to hit quite a few targets at the same time. It has thus laid sound foundation for fighter jets to find and hit targets earlier.

SLC-2E radar is an S-band weapon position radar using entirely solid active phase array system, highly reliable, adaptable to environment and mobile and able to operate 24-hour in whatever weather. It can detect the position of not only mortars but also heavy artillery and rocket artillery with changing high-speed trajectory. In addition, it can detect the position of armed helicopters to better satisfy artillery’s operational needs.

SLC-2E S-band multi-functional cannon position radar being viewed on April 23. Photo by Yang Tiefu

SLC-2E radar’s operational speed is very high. It adopts the technology of fully automatic operation, able to switch between marching and fighting modes in 5 minutes. As it uses advanced algorithm, high-speed procession module, it is able to realize the guiding for our fire counterattack when enemy’s shells are still flying in the air.

SLC-2 series of radar have long been exported due to their fine performance and is now one of the only three similar products of high performance on world market.

Part one of summary translation of huanqiu.com’s article “Exclusive丨brilliant display of China’s ‘eyes of three military services’ in world radar expo”, full text of which in Chinese can be viewed at https://mil.huanqiu.com/article/42sqk2jWiQq.


China’s New Anti-Stealth Radars Can Detect, Track & Shoot US’ F-22 & F-35 Fighter Jets – Military Experts


Published 11 hours ago on November 20, 2020By Smriti Chaudhary

With the US Air Force boasting stealthy fighters like Lockheed Martin’s F-22 Raptors and the F-35 Lightning II, China has claimed to have developed a meter wave anti-stealth radar that can detect advanced stealth. Moreover, the radar is capable of guiding missiles towards stealthy fighter jets.

“Meter wave radar can be deployed on vehicles, on land and warships, creating a dense web that gives hostile stealth aircraft nowhere to hide,” Chinese military experts told the Global Times, a tabloid under the auspices of the Chinese Communist Party.

It added that the modern stealth aircraft are designed to avoid detection by microwave radar, and are less stealthy to meter wave radar. Earlier, experts believed that meter wave radars could only send warnings about incoming threats because of their low resolution and accuracy.

However, Chinese military expert, Wu Jianqi, a senior scientist at the state-owned China Electronics Technology Group Corporation (CETC) who conducted researches and designed anti-stealth radar, with his team, has found a solution.

Dave Majumdar of National Interest explained the problem with High Frequency (HF) radar. According to him, while HF radar can detect and even track stealth aircraft to a degree, it is not anywhere near precise enough to guide a weapon. “The problem with HF-band radars is that they have a very long pulse width and a very low pulse repetition frequency [PRF].

That means HF are very poor at accurately determining range, altitude and precise direction. Indeed the radar resolution cells could be several miles wide.” He added that the radar can only cue other sensors to search the airspace or direct fighters toward a roughly defined search area.

“Wu solved the issue by designing the world’s first practical meter wave sparse array synthetic impulse and aperture radar,” according to Global Times. “Wu said that his radar has multiple transmitting and receiving antennas tens of meters high, scattered in a range of tens to hundreds of meters. They can continuously cover the sky as the radar receives echoes from all directions.”

According to Chinese military expert, Wei Dongxu, this will help the radar to hunt an aerial target, give the stealth fighter jets’ exact coordinates “by synthesizing parameters and data gathered by the radar under the support of advanced algorithms.”

“Since the radar can now see stealth aircraft clearly and track them continuously and accurately, it could become capable of guiding long-range anti-aircraft missiles and landing precision strikes on them,” Wei told the Chinese tabloid.

Meanwhile, China isn’t the first country to boast of the anti-stealth radar. In 2018, Russia revealed P-18-2 (an evolved version of Soviet-era P-18), surveillance and targeting radar, capable of detecting targets that use stealth technology.

P-18-2 radar is highly mobile and is able to receive additional (flight) information from airborne transponders using the integrated secondary radars. Rosoboronexport, the sole state intermediary agency for Russia’s exports/imports defense-related products, touted it as a Very High Frequency (VHF) radar with azimuth coverage upto 360 degrees.

It can be used for “detection, tracking, coordinates measurement (distance and azimuth), and state attribution of various flying objects in demanding active and passive jamming environment, active noise jammer direction finding,” it said.

Wu noted that while other countries are also developing such radars, he is confident that Chinese ones are “the best”. “As for now, I do not see a meter wave air defense radar from abroad that can match the criteria of the advanced meter wave radar [like the one China has],” he concluded.

Source: EuroAsian Times “China’s New Anti-Stealth Radars Can Detect, Track & Shoot US’ F-22 & F-35 Fighter Jets – Military Experts”

Note: This is EuroAsian Times’ article I post here for readers’ information. It does not mean that I agree or disagree with the article’s views.


Chinese Radar Can Detect, Track, Guide Hitting F-22, B-21, etc.


In National Interest’s article “Not Good: China Claims It Can Find and Track the F-22” by Michael Peck on October 8, 2019, the author says that the physics Chinese experts claim about Chinese radar’s capabilities to detect, track and guide long-range missiles to shoot down F-22 and other stealth warplanes “seem plausible”. That means he cannot deny the claim. He, however, has to ask: “How easily can the Chinese meter-wave radar be spoofed or jammed? How vulnerable are these radar complexes – comprising multiple antennae – to being destroyed by missiles?”

That is practical. Since China has such powerful radar, what the US can do is but to spoof, jam or destroy the radar by missiles. He does not know whether and how the US can do that as he has no answers to his questions!

Comment by Chan Kai Yee on National Interest’s article, full text of which can be viewed at https://nationalinterest.org/blog/buzz/not-good-china-claims-it-can-find-and-track-f-22-86751.

Note: This is an old post dated October 10, 2019 and reposted due to readers’ interest.


Venezuelan Air Defence’s Chinese-made Radar Detects US F-22 Stealth Jet


Our Bureau 09:16 AM, May 13, 2020 10442

A Chinese-made type JY-27 radar deployed by Venezuelan Air Defense detected a United States F22 stealth aircraft as it approached the country’s airspace and sent a warning to the American fighter jet on Tuesday.

According to Avia Pro website, following the incident the Venezuelan army issued a warning to the US Air Force on May 12 that it was ready to fire without warning at any American aircraft if it tried to violate the country’s airspace.

The F-22 had attempted to violate the country’s borders in a “provocative manner,” information released by the site said quoting unnamed military sources.

The website said that the radar that detected the top-of-the-line American fighter is a Chinese-made radar type JY-27.

The incident follows the May 6 failed invasion attempt when mercenaries hired by a US security contractor were intercepted before they could carry out a mission to assassinate Venezuelan President Nicholas Maduro. Two US citizens, part of the invading party, have been arrested.

The Chinese made type JY-27 ‘Wide Mat’ long-range early warning radar is claimed to detect stealth aircraft up to 500 km radius. In February 2016, the radar tracked an F-22 which was on its way to South Korea from Japan, Chinese media has claimed. However other reports say the tracking may have been facilitated by external fuel tanks on the F-22 needed to undertake the long trip.

China had revealed the radar at the 2016 Zhuhai air show. Called the JY-27A 3-D, it is a Very High Frequency (VHF) active phased array radar. VHF radars, with their longer wavelengths are capable of detecting stealth aircraft.

The radar is said to have been sold to several countries including Venezuela and Pakistan. If the Venezuelan detection of the F-22 is proven, then it is bad news for the US military which has developed the F-22 and F-35 on the assumption that enemy radars will not be able to detect these aircraft until it is too late to avoid an attack.

The radar is mounted on a mobile platform which enables it to move away after detecting the enemy aircraft, thus avoiding counter-measures.

Editorial comment: Venezuela had ordered up to 9 JYL-1 long range 3D air surveillance radars from China starting 2006. However, there is no information of it having acquired the more modern JY-27 3D radar. Nevertheless, China is known to deploy its cutting edge defence equipment for tests with friendly countries.

The theory of the placement of the JY-27 radar with friendly countries for testing gains currency following the detection of one such radar in a Pakistani air base in August 2019. Pakistan has not announced the purchase; nor did China reveal the sale without identifying the customer, as it normally does.

China had cliamed a major breakthrough in radar technology with the development of JY-27 very high frequency (VHF) radar specifically marking out the F-22 and F-35 fighter jets as within its gaze. It may want to test the radar extensively in regions where there is considerable movement of US aircraft.

Source: Defense World “Venezuelan Air Defence’s Chinese-made Radar Detects US F-22 Stealth Jet”

Note: This is Defense World’s report I post here for readers’ information. It does not mean that I agree or disagree with the report’ views.