JP2005337993A - 周波数分析装置の伝達関数測定方法 - Google Patents
周波数分析装置の伝達関数測定方法 Download PDFInfo
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- JP2005337993A JP2005337993A JP2004159797A JP2004159797A JP2005337993A JP 2005337993 A JP2005337993 A JP 2005337993A JP 2004159797 A JP2004159797 A JP 2004159797A JP 2004159797 A JP2004159797 A JP 2004159797A JP 2005337993 A JP2005337993 A JP 2005337993A
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- transfer function
- test signal
- frequency
- frequency analyzer
- measurement data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
-
- 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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- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
【解決手段】
試験信号供給源10からの第1試験信号を周波数分析装置20に供給して第1測定データを測定すると共に、第1試験信号を既知の周波数だけシフトした第2試験信号を周波数分析装置20に供給して第2測定データを測定する。第1及び第2測定データ間の対応データを比較すると、G(w)成分は第1及び第2測定データとも同じであるが、F(w)成分は異なっている。この特徴を利用し、第1及び第2測定データを用いた演算によってG(w)成分を相殺し、F(w)をG(w)と独立に算出する。
【選択図】図2
Description
12 変調信号源
14 ミキサ
16 BPF
20 周波数分析装置(被測定装置)
22 表示装置
Claims (1)
- 第1伝達関数で表される試験信号供給源からの試験信号を周波数分析装置に供給し、上記周波数分析装置の第2伝達関数を求める周波数分析装置の伝達関数測定方法であって、
上記試験信号供給源からの第1試験信号を上記周波数分析装置に供給して第1測定データを測定するステップと、
上記第1試験信号を既知の周波数だけシフトした上記試験信号供給源からの第2試験信号を上記周波数分析装置に供給して第2測定データを測定するステップと、
上記第1及び第2測定データを用いた演算によって上記第1伝達関数の成分を相殺し、上記第2伝達関数を上記第1伝達関数と独立に算出するステップと
を具える周波数分析装置の伝達関数測定方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004159797A JP4317948B2 (ja) | 2004-05-28 | 2004-05-28 | 周波数分析装置の伝達関数測定方法 |
US11/132,460 US7061219B2 (en) | 2004-05-28 | 2005-05-18 | Independent measurement of complicated transfer functions |
Applications Claiming Priority (1)
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---|---|---|---|
JP2004159797A JP4317948B2 (ja) | 2004-05-28 | 2004-05-28 | 周波数分析装置の伝達関数測定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005337993A true JP2005337993A (ja) | 2005-12-08 |
JP4317948B2 JP4317948B2 (ja) | 2009-08-19 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004159797A Expired - Fee Related JP4317948B2 (ja) | 2004-05-28 | 2004-05-28 | 周波数分析装置の伝達関数測定方法 |
Country Status (2)
Country | Link |
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US (1) | US7061219B2 (ja) |
JP (1) | JP4317948B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008232807A (ja) * | 2007-03-20 | 2008-10-02 | Anritsu Corp | 信号分析装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7706250B2 (en) | 2005-09-23 | 2010-04-27 | Litepoint Corp. | Apparatus and method for simultaneous testing of multiple orthogonal frequency division multiplexed transmitters with single vector signal analyzer |
US7822130B2 (en) * | 2005-09-23 | 2010-10-26 | Litepoint Corporation | Apparatus and method for simultaneous testing of multiple orthogonal frequency division multiplexed transmitters with single vector signal analyzer |
US8260943B2 (en) * | 2005-12-29 | 2012-09-04 | Lsi Corporation | Applying a transfer function to a signal for determining compliance to a specification |
US9036794B2 (en) * | 2007-04-25 | 2015-05-19 | Alcatel Lucent | Messaging system and method for providing information to a user device |
JP2011188436A (ja) * | 2010-03-11 | 2011-09-22 | Advantest Corp | 測定装置、測定方法およびプログラム |
US9448280B2 (en) * | 2012-02-29 | 2016-09-20 | International Business Machines Corporation | Circuit test system and method using a wideband multi-tone test signal |
US10459013B2 (en) * | 2016-06-17 | 2019-10-29 | Analog Devices Global | Apparatus for and method of providing measurements of uncertainty in respect of a transfer function |
US10914808B2 (en) | 2017-08-30 | 2021-02-09 | Analog Devices International Unlimited Company | Managing the determination of a transfer function of a measurement sensor |
US11067604B2 (en) * | 2017-08-30 | 2021-07-20 | Analog Devices International Unlimited Company | Managing the determination of a transfer function of a measurement sensor |
US10768262B2 (en) | 2017-08-30 | 2020-09-08 | Analog Devices Global Unlimited Campany | Managing the determination of a transfer function of a measurement sensor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973112A (en) * | 1974-07-29 | 1976-08-03 | Time/Data Corporation | System for determining transfer function |
US4713782A (en) * | 1984-08-23 | 1987-12-15 | Hewlett-Packard Company | Method and apparatus for measuring a transfer function |
US5175698A (en) * | 1990-07-23 | 1992-12-29 | Dz Company | Method and system for transfer function measurement |
DE19757296C2 (de) * | 1997-12-22 | 2002-12-05 | Rohde & Schwarz | Verfahren zum Bestimmen der Übertragungsfunktion eines Meßgerätes |
US6526365B1 (en) | 1998-08-28 | 2003-02-25 | Scientific Applications & Research Assiociates, Inc. | Low-power/wideband transfer function measurement method and apparatus |
DE19948384B4 (de) * | 1999-10-07 | 2008-04-10 | Rohde & Schwarz Gmbh & Co. Kg | Anordnung zum Bestimmen der komplexen Übertragungsfunktion eines Messgerätes |
-
2004
- 2004-05-28 JP JP2004159797A patent/JP4317948B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-18 US US11/132,460 patent/US7061219B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008232807A (ja) * | 2007-03-20 | 2008-10-02 | Anritsu Corp | 信号分析装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4317948B2 (ja) | 2009-08-19 |
US20050275395A1 (en) | 2005-12-15 |
US7061219B2 (en) | 2006-06-13 |
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