WO2001067623A3 - Complex signal decomposition and modeling - Google Patents

Complex signal decomposition and modeling Download PDF

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Publication number
WO2001067623A3
WO2001067623A3 PCT/US2001/007490 US0107490W WO0167623A3 WO 2001067623 A3 WO2001067623 A3 WO 2001067623A3 US 0107490 W US0107490 W US 0107490W WO 0167623 A3 WO0167623 A3 WO 0167623A3
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WO
WIPO (PCT)
Prior art keywords
complex signal
signature
decomposed
signal
data
Prior art date
Application number
PCT/US2001/007490
Other languages
French (fr)
Other versions
WO2001067623A2 (en
Inventor
Stephan W Wegerich
Original Assignee
Smartsignal 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 Smartsignal Corp filed Critical Smartsignal Corp
Priority to JP2001566282A priority Critical patent/JP4846954B2/en
Priority to EP01916499A priority patent/EP1264412B1/en
Priority to DE60134629T priority patent/DE60134629D1/en
Priority to AU4351801A priority patent/AU4351801A/en
Priority to CA2401685A priority patent/CA2401685C/en
Publication of WO2001067623A2 publication Critical patent/WO2001067623A2/en
Publication of WO2001067623A3 publication Critical patent/WO2001067623A3/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/12Classification; Matching

Abstract

A system (100), method and program product for monitoring a complex signal for ultrasensitive detection of state changes, or for signature recognition and classification is provided. A complex signal is decomposed periodically for empirical modeling (106). Wavelet analysis, frequency band filtering or other methods (102) may be used to decompose the complex signal into components. A library (104) of signature data may be referenced for selection of a recognized signature in the decomposed complex signal. The recognized signature may indicate data being carried in the complex signal. Estimated signal data may be generated for determination of an operational state of a monitored process or machine using a statistical hypothesis test (112) with reference to the decomposed input signal.
PCT/US2001/007490 2000-03-09 2001-03-09 Complex signal decomposition and modeling WO2001067623A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001566282A JP4846954B2 (en) 2000-03-09 2001-03-09 Complex signal decomposition and modeling
EP01916499A EP1264412B1 (en) 2000-03-09 2001-03-09 Complex signal decomposition and modeling
DE60134629T DE60134629D1 (en) 2000-03-09 2001-03-09 DISASSEMBLY AND MODELING OF COMPLEX SIGNALS
AU4351801A AU4351801A (en) 2000-03-09 2001-03-09 Complex signal decomposition and modeling
CA2401685A CA2401685C (en) 2000-03-09 2001-03-09 Complex signal decomposition and modeling

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18794900P 2000-03-09 2000-03-09
US60/187,949 2000-03-09
US09/800,977 US6957172B2 (en) 2000-03-09 2001-03-08 Complex signal decomposition and modeling
US09/800,977 2001-03-08

Publications (2)

Publication Number Publication Date
WO2001067623A2 WO2001067623A2 (en) 2001-09-13
WO2001067623A3 true WO2001067623A3 (en) 2002-02-28

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Family Applications (1)

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PCT/US2001/007490 WO2001067623A2 (en) 2000-03-09 2001-03-09 Complex signal decomposition and modeling

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US (3) US6957172B2 (en)
EP (1) EP1264412B1 (en)
JP (1) JP4846954B2 (en)
AT (1) ATE400036T1 (en)
AU (1) AU4351801A (en)
CA (1) CA2401685C (en)
DE (1) DE60134629D1 (en)
ES (1) ES2309056T3 (en)
WO (1) WO2001067623A2 (en)

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