According to CCTV’s recent report on CETC, its experts are testing a special stealth equipment as small as a cigarette box, to make stealth fighters like a bee on radar.
It’s speculated that once the new equipment is developed, it would be applied to J-20 fighter.
Besides, CCTV also unveiled the corporation’s RCS measuring microwave chamber, which has a group of metal balls of different sizes. And its RCS standard ball is as big as an American football, indicating that J-20’s initial stealth performance is as good as F-22.