DE69614284T2 - Verzerrungskorrekturvorrichtung - Google Patents

Verzerrungskorrekturvorrichtung

Info

Publication number
DE69614284T2
DE69614284T2 DE69614284T DE69614284T DE69614284T2 DE 69614284 T2 DE69614284 T2 DE 69614284T2 DE 69614284 T DE69614284 T DE 69614284T DE 69614284 T DE69614284 T DE 69614284T DE 69614284 T2 DE69614284 T2 DE 69614284T2
Authority
DE
Germany
Prior art keywords
correction device
distortion correction
distortion
correction
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.)
Expired - Fee Related
Application number
DE69614284T
Other languages
English (en)
Other versions
DE69614284D1 (de
Inventor
Shuta Uwano
Kazuji Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69614284D1 publication Critical patent/DE69614284D1/de
Application granted granted Critical
Publication of DE69614284T2 publication Critical patent/DE69614284T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69614284T 1995-02-02 1996-01-17 Verzerrungskorrekturvorrichtung Expired - Fee Related DE69614284T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1620495 1995-02-02
JP1621195 1995-02-02

Publications (2)

Publication Number Publication Date
DE69614284D1 DE69614284D1 (de) 2001-09-13
DE69614284T2 true DE69614284T2 (de) 2002-01-10

Family

ID=26352477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614284T Expired - Fee Related DE69614284T2 (de) 1995-02-02 1996-01-17 Verzerrungskorrekturvorrichtung

Country Status (4)

Country Link
US (1) US5675613A (de)
EP (1) EP0725477B1 (de)
CN (1) CN1089985C (de)
DE (1) DE69614284T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3022347B2 (ja) * 1996-10-18 2000-03-21 八木アンテナ株式会社 歪補償回路
US5933766A (en) * 1996-12-16 1999-08-03 Ericsson Inc. Intermodulation compensation in multi-channel amplifiers
JP3974984B2 (ja) * 1997-11-28 2007-09-12 松下電器産業株式会社 マルチポイント光送信システム
US6269093B1 (en) * 1997-12-16 2001-07-31 Nokia Mobile Phones Limited Adaptive removal of disturbance in TDMA acoustic peripheral devices
KR100251387B1 (ko) * 1997-12-29 2000-04-15 윤종용 피드 포워드 리니어라이져를 가지는 이동통신 단말기의수신회로
GB2339657B (en) † 1998-07-16 2003-04-16 Ifr Ltd Method and apparatus for compensating for distorsion in IQ modulators
KR20010086139A (ko) 1998-12-22 2001-09-07 클라스 노린, 쿨트 헬스트룀 반향 및 일그러짐 제거 장치
US6704349B1 (en) * 2000-01-18 2004-03-09 Ditrans Corporation Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth
US6980831B2 (en) * 2000-12-08 2005-12-27 Matsushita Electric Industrial Co., Ltd. Radio communication base state system including optical advanced base station
DE10136071A1 (de) * 2001-07-25 2003-02-13 Infineon Technologies Ag Verfahren und Vorrichtung zur Kompensation eines Phasenfehlers eines Empfangs- und/oder Sendesystems mit I/Q-Schnittstelle
ITMI20012631A1 (it) 2001-12-13 2003-06-13 Marconi Comm Spa Metodo basato sull'errore quadratico medio per la regolazione adattativa di compensatori di pmd in sistemi di comunicazione a fibra ottica e
JP4492264B2 (ja) * 2004-09-13 2010-06-30 株式会社日立製作所 直交検出器ならびにそれを用いた直交復調器およびサンプリング直交復調器
CN101277150B (zh) * 2008-03-21 2011-12-28 清华大学 电光调制器产生相移键控信号缺陷的在线监测方法
FR3000346B1 (fr) 2012-12-21 2015-01-23 Thales Sa Procede et dispositif de correction de reponse spatiale pour spectrometres a transformee de fourier imageurs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107540B (en) * 1981-10-14 1985-06-26 Marconi Co Ltd Feedforward amplifiers
US4475215A (en) * 1982-10-15 1984-10-02 The United States Of America As Represented By The Secretary Of The Army Pulse interference cancelling system for spread spectrum signals utilizing active coherent detection
US5260972A (en) * 1990-03-13 1993-11-09 At&T Bell Laboratories Technique for determining signal dispersion characteristics in communications systems
ATE147911T1 (de) * 1992-08-06 1997-02-15 Siemens Ag Verfahren und schaltungsanordnung zur elektrischen kompensation von durch laserchirp und faserdispersion verursachten signalverzerrungen
US5481389A (en) * 1992-10-09 1996-01-02 Scientific-Atlanta, Inc. Postdistortion circuit for reducing distortion in an optical communications system
WO1994017600A1 (en) * 1993-01-19 1994-08-04 Ntt Mobile Communications Network Inc. Method for removing interference wave, receiver and communication system which use the method
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control

Also Published As

Publication number Publication date
DE69614284D1 (de) 2001-09-13
EP0725477A3 (de) 1997-06-11
EP0725477A2 (de) 1996-08-07
CN1136751A (zh) 1996-11-27
US5675613A (en) 1997-10-07
EP0725477B1 (de) 2001-08-08
CN1089985C (zh) 2002-08-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE KNOBLAUCH UND KNOBLAUCH, 60322 FRANK

8339 Ceased/non-payment of the annual fee