JPS545314A - Pick up unit of offset qpsl synchronous signal - Google Patents

Pick up unit of offset qpsl synchronous signal

Info

Publication number
JPS545314A
JPS545314A JP7066577A JP7066577A JPS545314A JP S545314 A JPS545314 A JP S545314A JP 7066577 A JP7066577 A JP 7066577A JP 7066577 A JP7066577 A JP 7066577A JP S545314 A JPS545314 A JP S545314A
Authority
JP
Japan
Prior art keywords
pick
offset
qpsl
unit
synchronous signal
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.)
Granted
Application number
JP7066577A
Other languages
Japanese (ja)
Other versions
JPS6025939B2 (en
Inventor
Junji Namiki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP52070665A priority Critical patent/JPS6025939B2/en
Publication of JPS545314A publication Critical patent/JPS545314A/en
Publication of JPS6025939B2 publication Critical patent/JPS6025939B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To pick up the clock component from the offset orthogonal modulation system modulated waves with a little number of constituents, by picking up the transmission clock from the variation point of the binary data of the output of a multiplier.
JP52070665A 1977-06-14 1977-06-14 Offset QPSK synchronization signal extractor Expired JPS6025939B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52070665A JPS6025939B2 (en) 1977-06-14 1977-06-14 Offset QPSK synchronization signal extractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52070665A JPS6025939B2 (en) 1977-06-14 1977-06-14 Offset QPSK synchronization signal extractor

Publications (2)

Publication Number Publication Date
JPS545314A true JPS545314A (en) 1979-01-16
JPS6025939B2 JPS6025939B2 (en) 1985-06-21

Family

ID=13438178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52070665A Expired JPS6025939B2 (en) 1977-06-14 1977-06-14 Offset QPSK synchronization signal extractor

Country Status (1)

Country Link
JP (1) JPS6025939B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2797823C1 (en) * 2023-02-10 2023-06-08 Акционерное общество "Концерн "Созвездие" Carrier recovery device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2797823C1 (en) * 2023-02-10 2023-06-08 Акционерное общество "Концерн "Созвездие" Carrier recovery device

Also Published As

Publication number Publication date
JPS6025939B2 (en) 1985-06-21

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