System for surveillance of spectral signals

System for surveillance of spectral signals

A method and system for monitoring at least one of a system, a process and a data source. A method and system have been developed for carrying out surveillance, testing and modification of an ongoing process or other source of data, such as a spectroscopic examination. A signal from the system under...

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Hauptverfasser: Wegerich, Stephan, Gross, Kenneth, Criss-Puszkiewicz, Cynthia, Wilks, Alan
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Sprache:eng
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creator Wegerich, Stephan
Gross, Kenneth
Criss-Puszkiewicz, Cynthia
Wilks, Alan
description A method and system for monitoring at least one of a system, a process and a data source. A method and system have been developed for carrying out surveillance, testing and modification of an ongoing process or other source of data, such as a spectroscopic examination. A signal from the system under surveillance is collected and compared with a reference signal, a frequency domain transformation carried out for the system signal and reference signal, a frequency domain difference function established. The process is then repeated until a full range of data is accumulated over the time domain and a Sequential Probability Ratio Test ("SPRT") methodology applied to determine a three-dimensional surface plot characteristic of the operating state of the system under surveillance.
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title System for surveillance of spectral signals
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