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Chinese scientists create a ghost radar moving at ‘near-light-speed’ to detect submarines
When facing signals with frequencies as low as 100Hz, the radar cross-section (RCS ... The Doppler effect is a phenomenon where the frequency of a wave received by an observer differs from ...
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Submarine detection at near-light-speed possible with China’s sci-fi-like radar
This virtual signal source, which can be called a ghost radar, can emit electromagnetic ... The Doppler effect occurs when the frequency of a wave received by an observer differs from the source ...