来自MSN1 个月
Submarine detection at near-light-speed possible with China’s sci-fi-like radar
The scientists explained that when exposed to signals with frequencies as low as 100Hz, the radar cross-section (RCS) of a nuclear submarine in seawater can reach up to 88 square meters (947 ...
来自MSN1 个月
Chinese radar detects submarines at near-light-speed
They said a nuclear submarine’s radar cross-section (RCS) in seawater can reach up to 88 square meters or 947 square feet. This occurs when it is exposed to signals with frequencies as low as 100Hz.