G - Physics – 01 – S
Patent
G - Physics
01
S
343/62
G01S 13/28 (2006.01) G01S 7/28 (2006.01) G01S 7/40 (2006.01)
Patent
CA 1329948
28 Abstract of the Invention Prior art radar systems do not adapt the transmitted signal to avoid the interference bands but only filter the unadaptive receiver signal to eliminate the interference with resulting loss in detectability and distortion that in turn causes loss in resolution and increased ambiguity. The present invention allows a radar system to operate in an electromagnetic environment where co-channel narrow band interference is present, without loss of detectability, resolution and ambiguity. The present invention system adapts the radar transmitted signal so that its spectral energy is significant only in the interference free portions of the radar channel. It next adapts the receiver to detect this transmitted spectrum and then equalizes the signal by means of transversal equalizer coefficients to reduce distortions to the signal sidelobes.
609789
O'connor Martin G.
Schreiber Heinz H.
Grumman Aerospace Corporation
Kirby Eades Gale Baker
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