ATE193769T1 - Verfahren und gerät zur analyse von zeitlich veränderlichem frequenzspektrum - Google Patents

Verfahren und gerät zur analyse von zeitlich veränderlichem frequenzspektrum

Info

Publication number
ATE193769T1
ATE193769T1 AT93907584T AT93907584T ATE193769T1 AT E193769 T1 ATE193769 T1 AT E193769T1 AT 93907584 T AT93907584 T AT 93907584T AT 93907584 T AT93907584 T AT 93907584T AT E193769 T1 ATE193769 T1 AT E193769T1
Authority
AT
Austria
Prior art keywords
time varying
discrete
sequence
spectrum
time
Prior art date
Application number
AT93907584T
Other languages
English (en)
Inventor
Shie Qian
Dapang Chen
Original Assignee
Nat Instr 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 Nat Instr Corp filed Critical Nat Instr Corp
Application granted granted Critical
Publication of ATE193769T1 publication Critical patent/ATE193769T1/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AT93907584T 1992-03-17 1993-03-17 Verfahren und gerät zur analyse von zeitlich veränderlichem frequenzspektrum ATE193769T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/851,725 US5353233A (en) 1992-03-17 1992-03-17 Method and apparatus for time varying spectrum analysis
PCT/US1993/002499 WO1993019378A1 (en) 1992-03-17 1993-03-17 Method and apparatus for time varying spectrum analysis

Publications (1)

Publication Number Publication Date
ATE193769T1 true ATE193769T1 (de) 2000-06-15

Family

ID=25311508

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93907584T ATE193769T1 (de) 1992-03-17 1993-03-17 Verfahren und gerät zur analyse von zeitlich veränderlichem frequenzspektrum

Country Status (6)

Country Link
US (1) US5353233A (de)
EP (1) EP0632899B1 (de)
JP (1) JP2697957B2 (de)
AT (1) ATE193769T1 (de)
DE (1) DE69328828T2 (de)
WO (1) WO1993019378A1 (de)

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US5736631A (en) * 1996-03-11 1998-04-07 Turf Diagnostics & Design, Inc. Turf impact analysis system
JP3552837B2 (ja) * 1996-03-14 2004-08-11 パイオニア株式会社 周波数分析方法及び装置並びにこれを用いた複数ピッチ周波数検出方法及び装置
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
US5852567A (en) * 1996-07-31 1998-12-22 Hughes Electronics Corporation Iterative time-frequency domain transform method for filtering time-varying, nonstationary wide band signals in noise
US5845241A (en) * 1996-09-04 1998-12-01 Hughes Electronics Corporation High-accuracy, low-distortion time-frequency analysis of signals using rotated-window spectrograms
WO1999009424A1 (en) * 1997-08-14 1999-02-25 Hendry Mechanical Works Electric arc monitoring systems
US5952957A (en) * 1998-05-01 1999-09-14 The United States Of America As Represented By The Secretary Of The Navy Wavelet transform of super-resolutions based on radar and infrared sensor fusion
US6772077B1 (en) 1998-08-10 2004-08-03 Hendry Mechanical Works Electric arc monitoring systems
US6301572B1 (en) 1998-12-02 2001-10-09 Lockheed Martin Corporation Neural network based analysis system for vibration analysis and condition monitoring
US6944318B1 (en) 1999-01-15 2005-09-13 Citicorp Development Center, Inc. Fast matching systems and methods for personal identification
US6434515B1 (en) 1999-08-09 2002-08-13 National Instruments Corporation Signal analyzer system and method for computing a fast Gabor spectrogram
US6754620B1 (en) * 2000-03-29 2004-06-22 Agilent Technologies, Inc. System and method for rendering data indicative of the performance of a voice activity detector
US6332116B1 (en) 2000-04-19 2001-12-18 National Instruments Corporation System and method for analyzing signals of rotating machines
US6810341B2 (en) 2000-04-19 2004-10-26 National Instruments Corporation Time varying harmonic analysis including determination of order components
US6366862B1 (en) * 2000-04-19 2002-04-02 National Instruments Corporation System and method for analyzing signals generated by rotating machines
US6850552B2 (en) 2000-12-01 2005-02-01 Klaus Bibl Iterative precision spectrum analysis
DE10110208A1 (de) * 2001-03-02 2002-09-19 Siemens Production & Logistics Verfahren zum Spezifizieren, Ausführen und Analysieren von Verfahrensabläufen beim Erkennen
RU2236687C2 (ru) * 2002-08-05 2004-09-20 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт "Морфизприбор" Способ определения энергетического спектра шумового электрического сигнала
US7158901B2 (en) * 2004-07-12 2007-01-02 Tektronix, Inc. FFT accelerated display mode
US7958488B2 (en) * 2005-08-16 2011-06-07 National Instruments Corporation Virtual testing in a development environment
US8185316B2 (en) * 2007-05-25 2012-05-22 Prime Geoscience Corporation Time-space varying spectra for seismic processing
US9164131B2 (en) 2010-05-13 2015-10-20 Tektronix, Inc. Signal recognition and triggering using computer vision techniques
EP2575598A2 (de) * 2010-05-25 2013-04-10 The General Hospital Corporation Vorrichtungen, systeme, verfahren und computerlesbares medium zur spektralanalyse von bildern aus einer optischen kohärenz-tomographie
RU2449298C1 (ru) * 2010-12-23 2012-04-27 ОАО "Концерн "Океанприбор" Способ определения энергии помехи
TWI438416B (zh) * 2011-04-14 2014-05-21 Delta Electronics Inc 使用連續遞移轉換之信號分析系統及方法
EP3153872A1 (de) * 2015-10-06 2017-04-12 ABB Schweiz AG Verfahren und system zur bestimmung von phasorkomponenten einer periodischen wellenform
CN109633271A (zh) * 2019-01-17 2019-04-16 长沙理工大学 基于变分模态分解和维格纳威尔分布的行波时频分析方法
US12386066B1 (en) * 2024-01-30 2025-08-12 Furuno Electric Co., Ltd. Small signal detection filter
US12514256B1 (en) * 2024-04-02 2026-01-06 Phil Bifulco Multi-directional cut tenderizing assembly
CN118859645B (zh) * 2024-08-28 2026-04-28 苏州芯能光电科技有限公司 直写成像设备拼接区域叠加方法、装置、设备及存储介质

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US4837578A (en) * 1981-10-29 1989-06-06 California Institute Of Technology Apparatus and method for range detection using the analytic signal identified from the received signal
US4894795A (en) * 1987-04-28 1990-01-16 The United States Of America As Represented By The Secretary Of The Navy High-resolution technique for time-frequency signal analysis using modified wigner-ville analysis
US5046504A (en) * 1989-02-01 1991-09-10 Corazonix Corporation Method and apparatus for analyzing and interpreting electrocardiograms using spectro-temporal mapping
US5291560A (en) * 1991-07-15 1994-03-01 Iri Scan Incorporated Biometric personal identification system based on iris analysis

Also Published As

Publication number Publication date
DE69328828D1 (de) 2000-07-13
US5353233A (en) 1994-10-04
JP2697957B2 (ja) 1998-01-19
JPH07505949A (ja) 1995-06-29
EP0632899B1 (de) 2000-06-07
EP0632899A4 (de) 1996-09-11
EP0632899A1 (de) 1995-01-11
WO1993019378A1 (en) 1993-09-30
DE69328828T2 (de) 2001-02-15

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