JPS643379B2 - - Google Patents

Info

Publication number
JPS643379B2
JPS643379B2 JP7519580A JP7519580A JPS643379B2 JP S643379 B2 JPS643379 B2 JP S643379B2 JP 7519580 A JP7519580 A JP 7519580A JP 7519580 A JP7519580 A JP 7519580A JP S643379 B2 JPS643379 B2 JP S643379B2
Authority
JP
Japan
Prior art keywords
turn
sequence
detection circuit
carrier
arrival
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
Application number
JP7519580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS572136A (en
Inventor
Masakazu Shirakawa
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7519580A priority Critical patent/JPS572136A/ja
Publication of JPS572136A publication Critical patent/JPS572136A/ja
Publication of JPS643379B2 publication Critical patent/JPS643379B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/142—Control of transmission; Equalising characterised by the equalising network used using echo-equalisers, e.g. transversal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP7519580A 1980-06-04 1980-06-04 Demodulating device Granted JPS572136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7519580A JPS572136A (en) 1980-06-04 1980-06-04 Demodulating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7519580A JPS572136A (en) 1980-06-04 1980-06-04 Demodulating device

Publications (2)

Publication Number Publication Date
JPS572136A JPS572136A (en) 1982-01-07
JPS643379B2 true JPS643379B2 (enrdf_load_stackoverflow) 1989-01-20

Family

ID=13569163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7519580A Granted JPS572136A (en) 1980-06-04 1980-06-04 Demodulating device

Country Status (1)

Country Link
JP (1) JPS572136A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5094808A (enrdf_load_stackoverflow) * 1973-12-22 1975-07-28
US3978407A (en) * 1975-07-23 1976-08-31 Codex Corporation Fast start-up adaptive equalizer communication system using two data transmission rates
JPS6042651B2 (ja) * 1977-04-30 1985-09-24 株式会社東芝 位相変動補償装置
JPS54133866A (en) * 1978-04-10 1979-10-17 Nec Corp Automatic equalizer

Also Published As

Publication number Publication date
JPS572136A (en) 1982-01-07

Similar Documents

Publication Publication Date Title
US5432794A (en) Automatic Equalizer
US4227152A (en) Method and device for training an adaptive equalizer by means of an unknown data signal in a quadrature amplitude modulation transmission system
US5710792A (en) Adaptive equalizer
US4567599A (en) Automatic adaptive equalizer having improved reset function
US4320517A (en) Method and device for effecting the initial adjustment of the clock in a synchronous data receiver
US5465276A (en) Method of forming a channel estimate for a time-varying radio channel
AU645037B2 (en) Receiver capable of removing both intersymbol interference and frequency offset
US4309770A (en) Method and device for training an adaptive equalizer by means of an unknown data signal in a transmission system using double sideband-quadrature carrier modulation
WO2001048993A1 (en) Erasure based instantaneous loop control in a data receiver
US5224127A (en) Digital data communication system
US5276711A (en) Receiver for a data signal which includes data symbols occurring at a given Baud rate
CA2076710C (en) Channel impulse response estimator for a system having a rapidly fluctuating channel characteristic
SE520047C2 (sv) Utjämning och fasvridning av signal i smalbandsmoduleringssystem
JPH0879135A (ja) デジタル信号誤り低減装置
JP3898415B2 (ja) 自動等化回路
US5153527A (en) Demodulation apparatus having reception state evaluation
JPH06188788A (ja) 適応形自動等化器
US20020027952A1 (en) Method for automatic equalization for use in demodulating a digital multilevel modulation signal and automatic equalization circuit and receiver circuit using the method
JPS643379B2 (enrdf_load_stackoverflow)
JP3971048B2 (ja) クロック位相誤差検出回路およびクロック位相誤差検出方法
JPH07202764A (ja) 不正収束状態を避けるデータ復元技術
JP2966000B2 (ja) データモデム
JPH09233001A (ja) Ｔｄｍａバースト信号復調装置
JP3099867B2 (ja) 振幅等化器
JPH04252609A (ja) 自動等化器