China's Radar Technology Could Nullify US Stealth Jets

Developments in China's anti-stealth technology could soon render the stealth capabilities of America's F-22 fighter jets and Europe's Neuron unmanned combat air vehicles obsolete.

On display at the 9th China International Defence Electronics Exhibition in Beijing in May was China's DWLOO2 passive radar, which is said to have a range of 500 kilometers and can cover the entire air space with zero "blind spots." The radar will be mainly be used for air defense and coastal surveillance in complex electromagnetic environments, with the ability to detect, locate and track air, sea, and ground radiation within its coverage, the report said.

Perhaps even more impressive is that developments in Chinese anti-stealth technology mean that passive radars can track all types of aircraft through low-frequency radio waves without the pilots knowing they are being observed or targeted, which is different to conventional radars that send out high-frequency signals. This means the Chinese military can track aircraft through signals from power sources such as transmitters used for television, FM radio and cell phones.

Apart from passive radars, China's conventional JY-27A air surveillance and guidance radar is also said to be a world-leading state-of-the-art meter wave band 3D long range air surveillance radar capable of detecting stealth aircraft and guided missiles.
The paper stated that China owes its rapid advancements in anti-stealth technology to the United States, which placed pressure on the Chinese military after the Chinese embassy in Belgrade was hit by US B-2 stealth bombers during the NATO bombing of Yugoslavia in 1999. The US then stationed more B-2 stealth bombers and F-22 fighter jets at its Guam naval base, forcing China to react to the threat, it said.

China's determination was further stiffened, it said, after the US successfully stopped the sale of 10 VERA passive radiolocators to China from Czech radar manufacturer ERA Company in 2004. The US$55.7 million sale was reportedly already approved by Czech authorities but was canceled at the last minute after then-US secretary of state Colin Powell lodged a protest with the Czech foreign ministe.


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