WO2008136443A1 - 正弦波パラメータ推定方法 - Google Patents

正弦波パラメータ推定方法 Download PDF

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Publication number
WO2008136443A1
WO2008136443A1 PCT/JP2008/058139 JP2008058139W WO2008136443A1 WO 2008136443 A1 WO2008136443 A1 WO 2008136443A1 JP 2008058139 W JP2008058139 W JP 2008058139W WO 2008136443 A1 WO2008136443 A1 WO 2008136443A1
Authority
WO
WIPO (PCT)
Prior art keywords
sine wave
estimation method
parameter estimation
wave parameters
wave parameter
Prior art date
Application number
PCT/JP2008/058139
Other languages
English (en)
French (fr)
Inventor
Shigeru Ando
Original Assignee
The University Of Tokyo
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 The University Of Tokyo filed Critical The University Of Tokyo
Priority to JP2009513002A priority Critical patent/JP5553334B2/ja
Publication of WO2008136443A1 publication Critical patent/WO2008136443A1/ja

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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

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  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Phase Differences (AREA)

Abstract

　未知の信号に対して、入力信号を計測する。そしてその値から、直接的にその入力信号中に含まれる正弦波のパラメータ（周波数、振幅、位相）を推定する技術を提供する。 　解析信号の支配方程式を立て、さらに任意の荷重関数を導入することによって、積分形式に置き換える。それを解くことによって、正弦波パラメータが推定される。その結果、従来の近似による推定ではなく、より厳密に正弦波のパラメータを得ることができるようになった。
PCT/JP2008/058139 2007-04-26 2008-04-25 正弦波パラメータ推定方法 WO2008136443A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009513002A JP5553334B2 (ja) 2007-04-26 2008-04-25 正弦波パラメータ推定方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-116855 2007-04-26
JP2007116855 2007-04-26

Publications (1)

Publication Number Publication Date
WO2008136443A1 true WO2008136443A1 (ja) 2008-11-13

Family

ID=39943550

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058139 WO2008136443A1 (ja) 2007-04-26 2008-04-25 正弦波パラメータ推定方法

Country Status (2)

Country Link
JP (1) JP5553334B2 (ja)
WO (1) WO2008136443A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015004573A (ja) * 2013-06-20 2015-01-08 株式会社デンソーウェーブ 周波数解析装置
CN107255749A (zh) * 2017-05-24 2017-10-17 中国矿业大学(北京) 基于差分方程的电力系统谐波的快速检测方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114258495B (zh) * 2020-07-23 2023-08-15 刘保国 一种有限复数信号测量系统与高精度分解方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61239169A (ja) * 1985-04-16 1986-10-24 Mitsubishi Electric Corp 周波数推定装置
JPH0296664A (ja) * 1988-10-03 1990-04-09 Nec Corp 周波数・位相推定装置
JPH0296665A (ja) * 1988-10-03 1990-04-09 Nec Corp 周波数・位相推定装置
JP2000181472A (ja) * 1998-12-10 2000-06-30 Japan Science & Technology Corp 信号分析装置
JP2006251712A (ja) * 2005-03-14 2006-09-21 Univ Of Tokyo 観測データ、特に、複数の音源からの音が混在している音響信号の解析方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61239169A (ja) * 1985-04-16 1986-10-24 Mitsubishi Electric Corp 周波数推定装置
JPH0296664A (ja) * 1988-10-03 1990-04-09 Nec Corp 周波数・位相推定装置
JPH0296665A (ja) * 1988-10-03 1990-04-09 Nec Corp 周波数・位相推定装置
JP2000181472A (ja) * 1998-12-10 2000-06-30 Japan Science & Technology Corp 信号分析装置
JP2006251712A (ja) * 2005-03-14 2006-09-21 Univ Of Tokyo 観測データ、特に、複数の音源からの音が混在している音響信号の解析方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IJIMA H.: "Teijoka Sosa ni yoru Hiteijo Zatsuon ni Umoreta Shingo no Kenshutsu no Ichi Shuho", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, THE IEICE TRANSACTIONS OF FUNDAMENTALS OF ELECTRONICS, COMMUNICATIONS AND COMPUTER SCIENCES, vol. J89-A, no. 6, 1 June 2006 (2006-06-01), pages 535 - 543 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015004573A (ja) * 2013-06-20 2015-01-08 株式会社デンソーウェーブ 周波数解析装置
CN107255749A (zh) * 2017-05-24 2017-10-17 中国矿业大学(北京) 基于差分方程的电力系统谐波的快速检测方法

Also Published As

Publication number Publication date
JPWO2008136443A1 (ja) 2010-07-29
JP5553334B2 (ja) 2014-07-16

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