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Pulse sorting apparatus for frequency histogramming in a radar receiver system

  • US 7,184,493 B1
  • Filed: 10/15/2002
  • Issued: 02/27/2007
  • Est. Priority Date: 02/05/2002
  • Status: Active Grant
First Claim
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1. A pulse sorting apparatus of a preprocessor in a pulsed radiation detection system for acquiring a radio frequency (RF) signal, the radiation detection system including a central processing unit and a RF receiver for generating an instantaneous frequency measurement as well as RF signal data;

  • the apparatus comprising;

    (a) a main memory for recording the RF signal data;

    (b) addressing means, responsive to the receiver, for generating an available main memory address to store the RF signal data;

    the available main memory address residing within one of two or more frequency bins where each frequency bin corresponds to a substantially unique RF signal bandwidth; and

    (c) recording means, responsive to the receiver, for storing the RF signal data at the available main memory address of the main memory within a frequency bin corresponding to the instantaneous frequency measurement of the RF signal;

    whereby the RF signal data are sorted in the main memory in the form of a frequency-based histogram.

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