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Electronic countermeasure system

  • US 4,990,920 A
  • Filed: 04/06/1983
  • Issued: 02/05/1991
  • Est. Priority Date: 04/06/1983
  • Status: Expired due to Term
First Claim
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1. A radar jamming system comprising a target vehicle and a slave vehicle, a master threat radar detection system in the target vehicle and a slave transmitter system in the slave vehicle, a data link between the target vehicle and the slave vehicle, a threat analyzer carried by the target vehicle, said threat analyzer being capable of measuring the distance between the target vehicle and slave vehicle, means for calculating a suitable time delay signal and doppler shift for masking the target vehicle, said signals being transmitted to said slave vehicle by said data link, and means carried by said slave vehicle under control of the data link for generating and transmitting a radar pulse having the calculated time delay and doppler shift so that said pulse is coincident in both time and frequency with the target signal.

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