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LOW ANGLE RADAR TRACKING SYSTEM

  • US 3,854,135 A
  • Filed: 11/09/1973
  • Issued: 12/10/1974
  • Est. Priority Date: 11/09/1973
  • Status: Expired due to Term
First Claim
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1. In a method for determining by radar the elevation angle of a target which is at a relatively low altitude so that both direct and reflected radar signals are returned to the radar site, the steps of receiving said direct and reflected radar signals On a pair of directional beams which have patterns and are orientated such that their ratio has even order symmetry with respect to a horizontal axis;

  • and determining the ratio of the signals received on said pair of directional beams, said ratio being indicative of said elevation angle.

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