WO1999026073A8 - System for surveillance of spectral signals - Google Patents

System for surveillance of spectral signals

Info

Publication number
WO1999026073A8
WO1999026073A8 PCT/US1998/023166 US9823166W WO9926073A8 WO 1999026073 A8 WO1999026073 A8 WO 1999026073A8 US 9823166 W US9823166 W US 9823166W WO 9926073 A8 WO9926073 A8 WO 9926073A8
Authority
WO
WIPO (PCT)
Prior art keywords
surveillance
data
signal
frequency domain
source
Prior art date
Application number
PCT/US1998/023166
Other languages
French (fr)
Other versions
WO1999026073A1 (en
Inventor
Kenneth C Gross
Stephan Wegerich
Cynthia Criss-Puszkiewicz
Alan D Wilks
Original Assignee
Arch Dev Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arch Dev Corp filed Critical Arch Dev Corp
Priority to EP98956419A priority Critical patent/EP1031039A4/en
Priority to CA002309271A priority patent/CA2309271C/en
Priority to JP2000521386A priority patent/JP2001523824A/en
Priority to AU12946/99A priority patent/AU745828B2/en
Publication of WO1999026073A1 publication Critical patent/WO1999026073A1/en
Publication of WO1999026073A8 publication Critical patent/WO1999026073A8/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis

Abstract

The invention is 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 learned states (40), a frequency domain transformation carried out for the system signal and reference signal, and a frequency domain difference function is established. The process is then repeated until a full range of data is accumulated over the time domain and an SPRT methodology (50) is applied to determine a three-dimensional surface plot (60) characteristic of the operating state of the system under surveillance.
PCT/US1998/023166 1997-11-14 1998-10-30 System for surveillance of spectral signals WO1999026073A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP98956419A EP1031039A4 (en) 1997-11-14 1998-10-30 System for surveillance of spectral signals
CA002309271A CA2309271C (en) 1997-11-14 1998-10-30 System for surveillance of spectral signals
JP2000521386A JP2001523824A (en) 1997-11-14 1998-10-30 Spectrum signal monitoring system
AU12946/99A AU745828B2 (en) 1997-11-14 1998-10-30 System for surveillance of spectral signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/970,873 1997-11-14
US08/970,873 US6240372B1 (en) 1997-11-14 1997-11-14 System for surveillance of spectral signals

Publications (2)

Publication Number Publication Date
WO1999026073A1 WO1999026073A1 (en) 1999-05-27
WO1999026073A8 true WO1999026073A8 (en) 1999-08-12

Family

ID=25517641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/023166 WO1999026073A1 (en) 1997-11-14 1998-10-30 System for surveillance of spectral signals

Country Status (7)

Country Link
US (4) US6240372B1 (en)
EP (1) EP1031039A4 (en)
JP (1) JP2001523824A (en)
KR (1) KR100387457B1 (en)
AU (1) AU745828B2 (en)
CA (1) CA2309271C (en)
WO (1) WO1999026073A1 (en)

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Also Published As

Publication number Publication date
CA2309271A1 (en) 1999-05-27
CA2309271C (en) 2006-07-11
AU745828B2 (en) 2002-04-11
JP2001523824A (en) 2001-11-27
US6999899B2 (en) 2006-02-14
US20020042692A1 (en) 2002-04-11
KR100387457B1 (en) 2003-06-18
US6553334B2 (en) 2003-04-22
AU1294699A (en) 1999-06-07
US6804628B2 (en) 2004-10-12
EP1031039A1 (en) 2000-08-30
US20020188423A1 (en) 2002-12-12
WO1999026073A1 (en) 1999-05-27
KR20010024640A (en) 2001-03-26
US20040162685A1 (en) 2004-08-19
US6240372B1 (en) 2001-05-29
EP1031039A4 (en) 2000-12-20

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