JPS55128954A - Phase deciding device - Google Patents

Phase deciding device

Info

Publication number
JPS55128954A
JPS55128954A JP3620679A JP3620679A JPS55128954A JP S55128954 A JPS55128954 A JP S55128954A JP 3620679 A JP3620679 A JP 3620679A JP 3620679 A JP3620679 A JP 3620679A JP S55128954 A JPS55128954 A JP S55128954A
Authority
JP
Japan
Prior art keywords
signal
absolute value
signals
phase
delivered
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
JP3620679A
Other languages
English (en)
Other versions
JPS6340060B2 (ja
Inventor
Kunihiro Yamada
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP3620679A priority Critical patent/JPS55128954A/ja
Publication of JPS55128954A publication Critical patent/JPS55128954A/ja
Publication of JPS6340060B2 publication Critical patent/JPS6340060B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Phase Differences (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP3620679A 1979-03-29 1979-03-29 Phase deciding device Granted JPS55128954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3620679A JPS55128954A (en) 1979-03-29 1979-03-29 Phase deciding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3620679A JPS55128954A (en) 1979-03-29 1979-03-29 Phase deciding device

Publications (2)

Publication Number Publication Date
JPS55128954A true JPS55128954A (en) 1980-10-06
JPS6340060B2 JPS6340060B2 (ja) 1988-08-09

Family

ID=12463260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3620679A Granted JPS55128954A (en) 1979-03-29 1979-03-29 Phase deciding device

Country Status (1)

Country Link
JP (1) JPS55128954A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002069592A1 (en) * 2001-02-27 2002-09-06 Matsushita Electric Industrial Co., Ltd. Decoder and decoding method
US6621332B2 (en) 2001-04-26 2003-09-16 Mitsubishi Denki Kabushiki Kaisha Demodulator and demodulation method of DQPSK system with reduced circuit scale
WO2011016205A1 (ja) * 2009-08-05 2011-02-10 パナソニック株式会社 受信装置及び受信方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142256A (en) * 1975-06-03 1976-12-07 Nippon Telegr & Teleph Corp <Ntt> Phase-discrimination circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142256A (en) * 1975-06-03 1976-12-07 Nippon Telegr & Teleph Corp <Ntt> Phase-discrimination circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002069592A1 (en) * 2001-02-27 2002-09-06 Matsushita Electric Industrial Co., Ltd. Decoder and decoding method
US6621332B2 (en) 2001-04-26 2003-09-16 Mitsubishi Denki Kabushiki Kaisha Demodulator and demodulation method of DQPSK system with reduced circuit scale
WO2011016205A1 (ja) * 2009-08-05 2011-02-10 パナソニック株式会社 受信装置及び受信方法

Also Published As

Publication number Publication date
JPS6340060B2 (ja) 1988-08-09

Similar Documents

Publication Publication Date Title
CA1070022A (en) Digital demodulator
EP0381637B1 (en) A method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
US4253189A (en) Circuit for recovering the carrier of an amplitude modulated synchronous digital signal
CA1192615A (en) Carrier recovery circuit
US5640427A (en) Demodulator
US4027265A (en) Unbalanced quadriphase demodulator
US3406343A (en) Pm/am multiplex communication
US4042884A (en) Phase demodulator with offset frequency reference oscillator
US4608540A (en) Phase-shift keying demodulator
US6011816A (en) Direct demodulation method and apparatus
US4799238A (en) Differential phase shift keying method for the transmission of data
KR860000780A (ko) 색신호 처리장치
DE2746979C2 (de) Anordnung zur Synchrondemodulation eines zweiseitenbandamplitudenmodulierten Signals mit oder ohne Trägerfrequenzkomponente
CA1167118A (en) Means for subdividing a baud period into multiple integration intervals to enhance digital message detection
GB1041193A (en) Improvements in or relating to receivers for suppressed-carrier single-sideband transmissions of binary-pulse signals
CN205864458U (zh) 一种反调制锁相环载波同步电路
US2999155A (en) Signal receiving system
CA2220417A1 (en) Carrier regenerating circuit, multi-level quadrature amplitude demodulator, and method of detecting frequency deviation
SU1758899A1 (ru) Демодул тор сигналов квадратурной амплитудной манипул ции
JPS5511602A (en) Automatic amplitude phase equalization system for fm circuit
JPS6478559A (en) Remodulator
STEFANOVIĆ et al. Performance of 256-QAM system in the presence of phase jitter and co-channel interference
JPS6340060B2 (ja)
SU1499522A2 (ru) Приемник сигналов трехкратной фазовой манипул ции
JPS647837A (en) Carrier lock detecting circuit