Adaptive DPCA subsystem

Details Adaptive DPCA subsystem Adaptive DPCA subsystem

1995-12-12

1997-12-30

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Return signal controls radar system

Receiver

342161, 342162, 342163, 342194, G01S 13534

Patent

active

057035938

ABSTRACT:
An ADPCA subsystem includes a weight processor for weighting the delta channel signal according to the results of an adaptive algorithm to which the output of a DPCA vector combiner is input. An AMTI vector combiner is connected to the output of the DPCA vector combiner to form the filter output. The delta channel signal is time delayed and samples of the delta channel signal are collected by the processor together with a sum channel sample and a residue sample, in order to apply the proper weights to the undelayed and delayed delta channel samples. The output of the ADPCA weight processor therefore provides an optimum correction signal to the vector combiner.

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Cecelia Jankowski, "E-2C Digital GRASP Technology Insertion," Apr.16-20,1990, Orlando, Florida.
Merrill Skolnik, "Adaptive Arrays," Radar Handbook, pp. 16.23-16.26.

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