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SERIAL-PARALLEL DIGITAL CORRELATOR

  • US 3,604,911 A
  • Filed: 05/15/1969
  • Issued: 09/14/1971
  • Est. Priority Date: 05/15/1969
  • Status: Expired due to Term
First Claim
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1. A digital correlator for generating an output signal indicative of the amount of agreement between first and second binary sequences comprising, in combination, a plurality of cascade-connected segment comparators each of which is operative to store and serially compare the bits within a selected segment of said first and second binary sequences and to provide a serial comparison output signal, means for serially loading bits of said first and second binary sequences into said segment comparators, means for recirculating the bits stored in each of said segment comparators between the loading of each bit of said first sequence, means for collecting in parallel the serial comparison output signals of said segment comparators, and detector means operative in response to said collected comparison signals to provide a measure of the amount of agreement between said first and second binary sequences.

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