A System and Method for Detection of Noise in Sparse Data Sets with Edge-Corrected Measurements

A System and Method for Detection of Noise in Sparse Data Sets with Edge-Corrected Measurements

A signal processing system and method includes a transducer for receiving an analog signal having a random component and possibly an information component. The analog signal is converted into a digital signal having sample points. A nearest-neighbor calculation component calculates the expected aver...

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1. Verfasser: O'Brien, Jr, Francis J
Format: Report
Sprache:eng
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ANALOG SIGNALS
DETECTION
Miscellaneous Detection and Detectors
NOISE
RANGE(DISTANCE)
SIGNAL PROCESSING
STOCHASTIC PROCESSES
VALUE
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creator O'Brien, Jr, Francis J
description A signal processing system and method includes a transducer for receiving an analog signal having a random component and possibly an information component. The analog signal is converted into a digital signal having sample points. A nearest-neighbor calculation component calculates the expected average nearest neighbor distance between the sample points, the actual average distance and an error value. These values are corrected for edge effects. A first randomness assessment compares the actual average distance against the expected average distance with the standard error value. A second randomness assessment compares actual repeated values in the digital signal against expected repeated values. An information processing system continues processing the signal if the assessments indicate the possibility of an information component.
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source DTIC Technical Reports
subjects ANALOG SIGNALS
DETECTION
Miscellaneous Detection and Detectors
NOISE
RANGE(DISTANCE)
SIGNAL PROCESSING
STOCHASTIC PROCESSES
VALUE
title A System and Method for Detection of Noise in Sparse Data Sets with Edge-Corrected Measurements
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