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Decision directed estimation/detection of repetitive signals
Conference proceeding

Decision directed estimation/detection of repetitive signals

Bruce A Eisenstein
Proceedings of the 1972 IEEE Conference on Decision and Control and 11th Symposium on Adaptive Processes, pp 537-542
Dec 1972

Abstract

Adaptive estimation Adaptive signal detection Adaptive systems Cost function Covariance matrix Delay Detectors Pattern recognition Signal detection System testing
A heuristic technique is presented for detecting the presence of an unknown signal in noise and estimating its waveshape. The heuristic utilizes the most recent estimate of the waveshape as a template against which new observations are matched. If the match is "good," the observation is used to update the estimate and the procedure is repeated. If the match is "poor" the observation is discarded. It is the decisions of the detector which direct the evolution of the estimate while simultaneously the current estimate directs the detector's performance. The mutual interactions of the estimator/detector are conducted without external supervision and without the benefit of training samples and so the system falls into the category of a self-learning decision directed adaptive system.

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