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Multicode aperture transmitter/receiver

  • US 8,509,205 B2
  • Filed: 06/05/2008
  • Issued: 08/13/2013
  • Est. Priority Date: 06/05/2008
  • Status: Active Grant
First Claim
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1. A method of transmitting and receiving signals, the method comprising:

  • splitting a signal into two or more low power portions for feeding the signal into separate elements of an array;

    coding each low power portion of the signal for transmission through each separate element of the array with a different code respectively, wherein the coding comprises convolving the low power portion of the signal with the respective different code individually corresponding to the respective separate element;

    transmitting each coded portion of the signal through a corresponding separate element of the array;

    receiving the coded portions of the signal by at least one element on a receiver side, wherein receiving the coded portions of the signals further comprises receiving return signals at the at least one element on the receiver side upon illuminating a target object;

    decoding the coded portions of the signal; and

    adding decoded portions of the signal with a correlated receiver to form a complete received signal, wherein the array acts like a high power transmitter array when the correlated receiver is used, but acts as a collection of small transmitter arrays when an uncorrelated receiver is used.

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