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Digital radar or sonar apparatus

  • US 9,024,816 B2
  • Filed: 12/30/2013
  • Issued: 05/05/2015
  • Est. Priority Date: 08/31/2007
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a modulator for generating a sequence of pulse signals;

    a transmitter for converting the sequence of pulse signals to ranging signals;

    an antenna for emitting the ranging signals and receiving return signals;

    an amplifier for amplifying the return signals;

    a switching device for switchedly interconnecting the transmitter to the antenna and the antenna to the amplifier; and

    a signal processor processing the amplified return signals for display and/or analysis, wherein the apparatus comprises either a radar apparatus that provides the ranging signals as radar signals or a sonar apparatus that provides the ranging signals as sonar signals,characterised in that;

    the apparatus further includes a linear receiver between the amplifier and the signal processor, the linear receiver including a linear demodulator generating a digital output representing the amplified return signals for processing by the signal processor.

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