A holographic (synthetic aperture) method for increasing the gain of ground-to-air radars |
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Abstract: | The usual synthetic aperture radar operates from a moving aircraft and achieves the effect of a very long synthetic antenna with its accompanying high gain and resolution. This letter suggests the application of the same concept to a ground-to-air radar, whereby a small ground-based transmit-receive antenna would effectively be provided with a large synthetic gain against nearby planes flying at uniform speeds. |
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