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Moving target radar

  • US 4,083,049 A
  • Filed: 07/28/1971
  • Issued: 04/04/1978
  • Est. Priority Date: 07/28/1971
  • Status: Expired due to Term
First Claim
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1. The method of suppressing clutter in the operation of a moving-target radar, said clutter being produced by an object which moves backward and forward about a fixed position, the received signal of said radar being converted into quadrature signals, herein called an I signal and a Q signal, the said method comprising, converting the I signal into quadrature signals, herein called I3 and I4 signals, I3 lagging I4 by 90°

  • , converting the Q signal into quadrature signals, herein called Q3 and Q4, Q3 lagging Q4 by 90°

    , deriving at least one of the products I3Q4 or I4Q3 and producing responsive to said product an indication of the target and the direction of movement of the target while suppressing the clutter.

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