GB1008821A - Demodulation apparatus for phase-modulated telegraphic code - Google Patents

Demodulation apparatus for phase-modulated telegraphic code

Info

Publication number
GB1008821A
GB1008821A GB2202563A GB2202563A GB1008821A GB 1008821 A GB1008821 A GB 1008821A GB 2202563 A GB2202563 A GB 2202563A GB 2202563 A GB2202563 A GB 2202563A GB 1008821 A GB1008821 A GB 1008821A
Authority
GB
United Kingdom
Prior art keywords
phase
circuit
signal
bit
unit
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
GB2202563A
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB1008821A publication Critical patent/GB1008821A/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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB2202563A 1962-12-19 1963-05-31 Demodulation apparatus for phase-modulated telegraphic code Expired GB1008821A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5598762 1962-12-19
JP244163 1963-01-23
JP745163 1963-02-20

Publications (1)

Publication Number Publication Date
GB1008821A true GB1008821A (en) 1965-11-03

Family

ID=27275342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2202563A Expired GB1008821A (en) 1962-12-19 1963-05-31 Demodulation apparatus for phase-modulated telegraphic code

Country Status (3)

Country Link
DE (1) DE1192238B (https=)
GB (1) GB1008821A (https=)
NL (2) NL146353B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387220A (en) * 1965-02-23 1968-06-04 Automatic Elect Lab Apparatus and method for synchronously demodulating frequency modulated differentially coherent duobinary signals
DE4427885A1 (de) * 1994-08-08 1996-02-15 Telefunken Microelectron Verfahren zur Verbesserung des Störabstandes in einem Übertragungssystem durch die Bildung von Flächenäquivalenten
DE19611577A1 (de) * 1996-03-23 1997-09-25 Bayerische Motoren Werke Ag Verfahren zum Empfang eines drahtlos übertragenen Bitmusters

Also Published As

Publication number Publication date
NL293498A (https=)
NL146353B (nl) 1975-06-16
DE1192238B (de) 1965-05-06

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