JP2008271771A5 - - Google Patents

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Publication number
JP2008271771A5
JP2008271771A5 JP2008005140A JP2008005140A JP2008271771A5 JP 2008271771 A5 JP2008271771 A5 JP 2008271771A5 JP 2008005140 A JP2008005140 A JP 2008005140A JP 2008005140 A JP2008005140 A JP 2008005140A JP 2008271771 A5 JP2008271771 A5 JP 2008271771A5
Authority
JP
Japan
Prior art keywords
modulation signal
sinusoidal modulation
oscillator
frequency
vibration
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2008005140A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008271771A (ja
Filing date
Publication date
Priority claimed from US11/653,852 external-priority patent/US7855545B2/en
Application filed filed Critical
Publication of JP2008271771A publication Critical patent/JP2008271771A/ja
Publication of JP2008271771A5 publication Critical patent/JP2008271771A5/ja
Pending legal-status Critical Current

Links

JP2008005140A 2007-01-17 2008-01-15 様々な発振器システムを使用した正弦波変調信号整流ツール Pending JP2008271771A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/653,852 US7855545B2 (en) 2007-01-17 2007-01-17 Sinusoidal modulated signal clarification tool using various oscillator systems

Publications (2)

Publication Number Publication Date
JP2008271771A JP2008271771A (ja) 2008-11-06
JP2008271771A5 true JP2008271771A5 (https=) 2012-11-08

Family

ID=39617274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008005140A Pending JP2008271771A (ja) 2007-01-17 2008-01-15 様々な発振器システムを使用した正弦波変調信号整流ツール

Country Status (4)

Country Link
US (1) US7855545B2 (https=)
JP (1) JP2008271771A (https=)
KR (1) KR20080067979A (https=)
CN (1) CN101246045B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045509A1 (de) * 2009-10-09 2011-04-14 Zf Friedrichshafen Ag Drehzahlsensoranordnung für ein Kraftfahrzeug und Verfahren zur Drehzahlinformationsübertragung
US9952620B2 (en) * 2014-04-10 2018-04-24 Intel Corporation Time-synchronizing a group of nodes
GB2550854B (en) 2016-05-25 2019-06-26 Ge Aviat Systems Ltd Aircraft time synchronization system
WO2017221588A1 (ja) * 2016-06-21 2017-12-28 三菱電機株式会社 負荷の異常検出装置
CN108008295B (zh) * 2016-11-01 2021-01-15 中国电力科学研究院有限公司 一种风电机组调频能力检测方法
CN109459693A (zh) * 2018-11-14 2019-03-12 广东电网有限责任公司 一种基于波形回放的一次调频性能测试方法及装置
DE112020007369T5 (de) * 2020-06-29 2023-05-04 Mitsubishi Electric Corporation Abnormalitätsdiagnosevorrichtung, leistungsumwandlungsvorrichtung undabnormalitätsdiagnosisverfahren

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5519337A (en) * 1993-11-04 1996-05-21 Martin Marietta Energy Systems, Inc. Motor monitoring method and apparatus using high frequency current components
JP3214233B2 (ja) * 1994-06-02 2001-10-02 三菱電機株式会社 回転機振動診断装置
US5668813A (en) * 1995-07-17 1997-09-16 Nat Semiconductor Corp Dynamic synchronization code detection window
US6144924A (en) * 1996-05-20 2000-11-07 Crane Nuclear, Inc. Motor condition and performance analyzer
JPH1183686A (ja) * 1997-09-01 1999-03-26 Nippon Steel Corp 機械設備の異常診断方法およびその装置
US7539549B1 (en) * 1999-09-28 2009-05-26 Rockwell Automation Technologies, Inc. Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis
JP2000184658A (ja) * 1998-12-11 2000-06-30 Osaka Gas Co Ltd 誘導電動機の診断装置
US7110435B1 (en) * 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US6470458B1 (en) * 1999-07-29 2002-10-22 International Business Machines Corporation Method and system for data processing system self-synchronization
JP4062939B2 (ja) * 2002-03-14 2008-03-19 Ｊｆｅスチール株式会社 交流電動機の回転子異常検出方法及び回転子異常検出装置
JP2004112906A (ja) * 2002-09-18 2004-04-08 Jfe Steel Kk 交流モータの回転子バー切れ検出方法
US7064556B2 (en) * 2004-05-04 2006-06-20 General Electric Co. Frequency rectification tool for shorter waveforms
US7065474B2 (en) * 2004-05-14 2006-06-20 Bently Nevada, Llc Frequency rectification system: apparatus and method
US7856224B2 (en) * 2005-03-31 2010-12-21 General Electric Company Systems and methods for recovering a signal of interest from a complex signal
US7561361B1 (en) * 2005-10-31 2009-07-14 Marvell International Ltd. Dynamic synchronization of timing signals

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