JPS58209254A - 復調器 - Google Patents

復調器

Info

Publication number
JPS58209254A
JPS58209254A JP57092511A JP9251182A JPS58209254A JP S58209254 A JPS58209254 A JP S58209254A JP 57092511 A JP57092511 A JP 57092511A JP 9251182 A JP9251182 A JP 9251182A JP S58209254 A JPS58209254 A JP S58209254A
Authority
JP
Japan
Prior art keywords
signal
circuit
control signal
carrier
initial value
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
JP57092511A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0374061B2 (enExample
Inventor
Shoichi Mizoguchi
溝口　祥一
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 JP57092511A priority Critical patent/JPS58209254A/ja
Publication of JPS58209254A publication Critical patent/JPS58209254A/ja
Publication of JPH0374061B2 publication Critical patent/JPH0374061B2/ja
Granted 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP57092511A 1982-05-31 1982-05-31 復調器 Granted JPS58209254A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57092511A JPS58209254A (ja) 1982-05-31 1982-05-31 復調器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57092511A JPS58209254A (ja) 1982-05-31 1982-05-31 復調器

Publications (2)

Publication Number Publication Date
JPS58209254A true JPS58209254A (ja) 1983-12-06
JPH0374061B2 JPH0374061B2 (enExample) 1991-11-25

Family

ID=14056335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57092511A Granted JPS58209254A (ja) 1982-05-31 1982-05-31 復調器

Country Status (1)

Country Link
JP (1) JPS58209254A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03289844A (ja) * 1990-04-06 1991-12-19 Nec Corp データ復調装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492416A (enExample) * 1972-04-18 1974-01-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492416A (enExample) * 1972-04-18 1974-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03289844A (ja) * 1990-04-06 1991-12-19 Nec Corp データ復調装置

Also Published As

Publication number Publication date
JPH0374061B2 (enExample) 1991-11-25

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