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Method and system for reducing the sampling rate of a signal for use in demodulating high modulation index frequency modulated signals

  • US 6,085,073 A
  • Filed: 03/02/1998
  • Issued: 07/04/2000
  • Est. Priority Date: 03/02/1998
  • Status: Expired due to Fees
First Claim
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1. A method for reducing a sampling rate of a signal for use in a communications receiver, comprising:

  • a) receiving an in-phase component and a quadrature phase component of a signal;

    b) sampling said in-phase component and said quadrature phase component of said signal to create a sampled in-phase component and a quadrature phase component of said signal;

    c) delaying said sampled in-phase component and said quadrature phase component of said signal to create a delayed in-phase component and a delayed quadrature phase component of said signal; and

    d) downsampling said sampled in-phase and quadrature phase components and said delayed in-phase and quadrature phase components of said signal to create a downsampled in-phase component, a downsampled quadrature phase component, a downsampled delayed in-phase component, and a downsampled delayed quadrature phase component.

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