TW200733656A - Filter equalization using magnitude measurement data - Google Patents

Filter equalization using magnitude measurement data

Info

Publication number
TW200733656A
TW200733656A TW095138466A TW95138466A TW200733656A TW 200733656 A TW200733656 A TW 200733656A TW 095138466 A TW095138466 A TW 095138466A TW 95138466 A TW95138466 A TW 95138466A TW 200733656 A TW200733656 A TW 200733656A
Authority
TW
Taiwan
Prior art keywords
analog signal
signal path
magnitude
phase
over
Prior art date
Application number
TW095138466A
Other languages
English (en)
Other versions
TWI423626B (zh
Inventor
Yi He
Thomas C Hill Iii
Marcus K Dasilva
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Publication of TW200733656A publication Critical patent/TW200733656A/zh
Application granted granted Critical
Publication of TWI423626B publication Critical patent/TWI423626B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
TW095138466A 2005-11-09 2006-10-18 使用大小測量資料之濾波器等化 TWI423626B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/272,285 US7649930B2 (en) 2005-11-09 2005-11-09 Filter equalization using magnitude measurement data

Publications (2)

Publication Number Publication Date
TW200733656A true TW200733656A (en) 2007-09-01
TWI423626B TWI423626B (zh) 2014-01-11

Family

ID=37876959

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095138466A TWI423626B (zh) 2005-11-09 2006-10-18 使用大小測量資料之濾波器等化

Country Status (7)

Country Link
US (1) US7649930B2 (zh)
EP (1) EP1786163B1 (zh)
JP (1) JP4711935B2 (zh)
KR (1) KR101294771B1 (zh)
CN (1) CN1968161B (zh)
DE (1) DE602006011698D1 (zh)
TW (1) TWI423626B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8223623B2 (en) * 2005-03-28 2012-07-17 Qualcomm Incorporated Timing and frequency acquisition for OFDM systems
CN101383666B (zh) * 2008-09-25 2012-02-29 中兴通讯股份有限公司 一种适用于多种信号带宽的功率校准方法
CN102113251B (zh) * 2009-10-19 2015-10-07 爱立信(中国)通信有限公司 用于均衡射频滤波器的方法和均衡器
US8890507B2 (en) * 2010-05-19 2014-11-18 Tektronix, Inc. Phase transient response measurements using automatic frequency estimation
AU2011282473B2 (en) * 2010-07-21 2015-09-03 Kaelus Pty Ltd Method and apparatus for locating faults in communications networks
US10422846B2 (en) 2017-01-30 2019-09-24 Rohde & Schwarz Gmbh & Co. Kg Method for calibrating a radio frequency test instrument and radio frequency test instrument
CN108989963A (zh) * 2018-07-11 2018-12-11 杭州爱华仪器有限公司 一种多频点静电激励校准装置及其工作方法
CN109375128B (zh) * 2018-10-15 2020-09-15 合肥本源量子计算科技有限责任公司 一种载频脉冲信号频率校准方法
US11550029B2 (en) 2020-07-16 2023-01-10 Analog Devices International Unlimited Company Delay calibration for a stepped frequency continuous wave digital signal chain
CN114710383A (zh) * 2022-03-31 2022-07-05 瑞玛思特(深圳)科技有限公司 一种利用ofdm信号对仪表射频通道频响进行校准的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63246914A (ja) * 1987-04-02 1988-10-13 Matsushita Electric Ind Co Ltd フイルタ係数の演算設定方法
US4888808A (en) * 1987-03-23 1989-12-19 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
JP3173924B2 (ja) * 1993-08-04 2001-06-04 アンリツ株式会社 回線等化器
US5978742A (en) * 1997-04-04 1999-11-02 Tektronix, Inc. Method and apparatus for digital sampling of electrical waveforms
JP2000022661A (ja) * 1998-07-07 2000-01-21 Nec Corp Ｏｆｄｍ復調装置
JP2000278241A (ja) * 1999-03-25 2000-10-06 Toshiba Corp Ｏｆｄｍ用中継装置
US6975838B1 (en) * 1999-10-21 2005-12-13 Broadcom Corporation Adaptive radio transceiver with noise suppression
US6636722B1 (en) * 2000-09-12 2003-10-21 Tektronix, Inc. Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator
GB0122227D0 (en) * 2001-09-13 2001-11-07 Koninl Philips Electronics Nv Active tunable filter circuit
JP2003249910A (ja) * 2002-02-26 2003-09-05 Hitachi Ltd 信号受信方法，通信方法及び通信装置
US7197085B1 (en) * 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
JP4088794B2 (ja) * 2004-04-06 2008-05-21 ソニー株式会社 テスト信号発生回路および受信機回路

Also Published As

Publication number Publication date
US7649930B2 (en) 2010-01-19
KR20070049994A (ko) 2007-05-14
TWI423626B (zh) 2014-01-11
EP1786163A1 (en) 2007-05-16
JP2007135214A (ja) 2007-05-31
CN1968161B (zh) 2010-09-29
KR101294771B1 (ko) 2013-08-08
CN1968161A (zh) 2007-05-23
EP1786163B1 (en) 2010-01-13
JP4711935B2 (ja) 2011-06-29
US20070104261A1 (en) 2007-05-10
DE602006011698D1 (de) 2010-03-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees