GB1529269A - System for distinguishing between a data signal and noise - Google Patents

System for distinguishing between a data signal and noise

Info

Publication number
GB1529269A
GB1529269A GB40693/76A GB4069376A GB1529269A GB 1529269 A GB1529269 A GB 1529269A GB 40693/76 A GB40693/76 A GB 40693/76A GB 4069376 A GB4069376 A GB 4069376A GB 1529269 A GB1529269 A GB 1529269A
Authority
GB
United Kingdom
Prior art keywords
data
noise
sampled
greatest
rate
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
GB40693/76A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1529269A publication Critical patent/GB1529269A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
GB40693/76A 1975-11-28 1976-09-30 System for distinguishing between a data signal and noise Expired GB1529269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536910A FR2333393A1 (fr) 1975-11-28 1975-11-28 Procede et disposition de detection de porteuse

Publications (1)

Publication Number Publication Date
GB1529269A true GB1529269A (en) 1978-10-18

Family

ID=9163233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40693/76A Expired GB1529269A (en) 1975-11-28 1976-09-30 System for distinguishing between a data signal and noise

Country Status (5)

Country Link
US (1) US4088833A (https=)
JP (1) JPS5816656B2 (https=)
DE (1) DE2635856A1 (https=)
FR (1) FR2333393A1 (https=)
GB (1) GB1529269A (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328588A (en) * 1980-07-17 1982-05-04 Rockwell International Corporation Synchronization system for digital data
USRE32945E (en) * 1980-07-17 1989-06-06 Rockwell International Corporation Synchronization system for digital data
SE434449B (sv) * 1982-11-10 1984-07-23 Ericsson Telefon Ab L M Anordning for mottagning av hoghastighetsdata i paketform
US4494240A (en) * 1983-01-03 1985-01-15 Codex Corporation Modem end of message detector
GB8300076D0 (en) * 1983-01-04 2010-03-10 Secr Defence Electronic detector circuit
US4626789A (en) * 1983-08-19 1986-12-02 Hitachi, Ltd. Demodulating circuit for data signal
US4766601A (en) * 1985-12-23 1988-08-23 Tektronix, Inc. Constant carrier watchdog
US5724657A (en) * 1995-09-29 1998-03-03 Rockwell International Corporation Adaptive frequency correction burst detector for GSM handset system
US20080118016A1 (en) * 2006-11-20 2008-05-22 Yu-Min Chuang Synchronous circuit of receiving device of wireless transmission system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646446A (en) * 1969-11-12 1972-02-29 Us Army Binary information receiver for detecting a phase modulated carrier signal
US3696203A (en) * 1970-06-03 1972-10-03 Philco Ford Corp Adaptive modem receiver
US3949206A (en) * 1974-12-17 1976-04-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Filtering device

Also Published As

Publication number Publication date
JPS5816656B2 (ja) 1983-04-01
US4088833A (en) 1978-05-09
FR2333393B1 (https=) 1982-08-06
DE2635856A1 (de) 1977-06-02
JPS5267555A (en) 1977-06-04
FR2333393A1 (fr) 1977-06-24

Similar Documents

Publication Publication Date Title
DE3373856D1 (en) Direct digital to digital sampling rate conversion method and apparatus
GB1353217A (en) Information transmission systems
DE3270868D1 (en) Process and device for measuring the time difference between the sampling-times of two sampled signals, in particular of the input and output signals of a sampling frequency converter
CA2035785A1 (en) Method and apparatus for optimally autocorrelating an fsk signal
GB1529269A (en) System for distinguishing between a data signal and noise
US3835404A (en) Extracting circuit for reproducing carrier signals from a multiphase modulated signal
ATE86415T1 (de) Digitale polyphasen-filterbank mit maximaler taktreduktion.
EP0015681A1 (en) Binary transversal filter
GB1409681A (en) Frequency discriminator
GB1480434A (en) Pulsecode modulation signal-converter
GB1350116A (en) Automatic equalizer for communication channels
EP0643511A1 (en) Synchronization circuit for subcarrier signal
GB1320975A (en) Automatic band synchronizer
GB1252266A (https=)
ES8604375A1 (es) Procedimiento de restitucion de los instantes significativos de una senal periodica y circuito de regeneracion de instantes periodicos para poner en practica dicho procedimiento
JPS5513506A (en) Information signal transmission system
JPS56126900A (en) Digital filter
GB1436878A (en) Pulse density modulation to pcm modulation translation
GB1191843A (en) Improvements in or relating to Data Transmission Apparatus
DE3661394D1 (en) Pulse-edge coincidence detector and its use for selecting a sampling signal
SU611287A1 (ru) Демодул тор частотно-модулированного сигнала
JPS5624851A (en) Digital frequency modulating communication system
SU801320A1 (ru) Приемник тонального вызова
SU1058084A1 (ru) Демодул тор фазоманипулированных сигналов
GB1455392A (en) Data transmission systems

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920930