Method and system for nonlinear and affine signal processing

Details Method and system for nonlinear and affine signal processing Method and system for nonlinear and affine signal processing

2007-02-06

2007-02-06

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S143000, C375S341000, C375S297000

Reexamination Certificate

active

11280863

ABSTRACT:
A method of nonlinear and affine signal processing includes the steps of introducing an input signal into a system which exhibits nonlinear behavior, the input signal including a target signal and a secondary signal. By virtue of its nonlinear design, the system generates nonlinear artifacts of the target signal and the secondary signal. These nonlinear artifacts are in turn used as a novel form of signal diversity. In one embodiment, the identification of the nonlinear artifacts is used to resolve defects that have been created as a result of sub-Nyquist sampling. In another embodiment, the identification of the nonlinear artifacts is used to locate and strengthen the power of a target signal that falls beneath the noise threshold for the system.

REFERENCES:
patent: 6639537 (2003-10-01), Raz

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