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RADAR SYSTEM

  • US 20100265123A1
  • Filed: 07/17/2009
  • Published: 10/21/2010
  • Est. Priority Date: 04/21/2009
  • Status: Active Grant
First Claim
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1. A radar system for forming a scanning receive beam from signals received by a phased array having a plurality of sub arrays, the system comprising:

  • a plurality of phase units each configured to receive a signal from one or more sub arrays;

    wherein each phase unit comprises a waveform generator configured to generate an analog waveform having a frequency corresponding to a time-varying phase shift; and

    wherein each waveform generator is arranged to digitally generate the analog waveform, andeach phase unit is configured to output a comparison of the received signal with the analog waveform, the output incorporating the time-varying phase shift, andthe system further comprising a combining unit configured to combine the outputs from the plurality of phase units to form a scanning receive beam.

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