JPS50125610A - - Google Patents

Info

Publication number
JPS50125610A
JPS50125610A JP50012615A JP1261575A JPS50125610A JP S50125610 A JPS50125610 A JP S50125610A JP 50012615 A JP50012615 A JP 50012615A JP 1261575 A JP1261575 A JP 1261575A JP S50125610 A JPS50125610 A JP S50125610A
Authority
JP
Japan
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.)
Granted
Application number
JP50012615A
Other languages
Japanese (ja)
Other versions
JPS558069B2 (zh
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 filed Critical
Publication of JPS50125610A publication Critical patent/JPS50125610A/ja
Publication of JPS558069B2 publication Critical patent/JPS558069B2/ja
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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • 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
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/389—Demodulator circuits; Receiver circuits with separate demodulation for the phase and amplitude components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Filters And Equalizers (AREA)
JP1261575A 1974-02-12 1975-01-31 Expired JPS558069B2 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7404772A FR2260904B1 (zh) 1974-02-12 1974-02-12

Publications (2)

Publication Number Publication Date
JPS50125610A true JPS50125610A (zh) 1975-10-02
JPS558069B2 JPS558069B2 (zh) 1980-03-01

Family

ID=9134830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1261575A Expired JPS558069B2 (zh) 1974-02-12 1975-01-31

Country Status (4)

Country Link
JP (1) JPS558069B2 (zh)
FR (1) FR2260904B1 (zh)
GB (1) GB1502363A (zh)
IT (1) IT1027871B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237619C2 (de) * 1982-10-11 1985-04-18 Karl Dipl.-Phys. Dr. 3550 Marburg Meinzer Verfahren und Vorrichtung zur digitalen Datenübertragung

Also Published As

Publication number Publication date
FR2260904A1 (zh) 1975-09-05
DE2501324B2 (de) 1976-05-06
DE2501324A1 (de) 1975-08-14
IT1027871B (it) 1978-12-20
GB1502363A (en) 1978-03-01
JPS558069B2 (zh) 1980-03-01
FR2260904B1 (zh) 1976-11-26

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