Tuesday, August 31, 2021

Stealth Aircraft Shot Down: Why US’ F-35, F-22 Raptor Fighter Jets Could Fall Prey To Russian Air Defense Missiles

Stealth Aircraft Shot Down: Why US’ F-35, F-22 Raptor Fighter Jets Could Fall Prey To Russian Air Defense Missiles: US stealth fighter jets have soared the skies undetected for nearly half a century. However, this could soon change as arch-rival Russia continues to develop advanced air defense missiles. Stealth or “low observable” technology dates back to the 1940s when the US came out with an experimental design, but the same was scrapped within two […]

Low-Frequency Signal Generation in Space Based on High-Frequency Electric-Antenna Array and Doppler Effect | BIAI Journals & Magazine | IEEE Xplore

 Block diagram of 64-element long-array experiment based on 8-channel DAC and photographs of equipment and waveform of RE signals Chinese Sc...