JPS6365261B2 - - Google Patents

Info

Publication number
JPS6365261B2
JPS6365261B2 JP57081312A JP8131282A JPS6365261B2 JP S6365261 B2 JPS6365261 B2 JP S6365261B2 JP 57081312 A JP57081312 A JP 57081312A JP 8131282 A JP8131282 A JP 8131282A JP S6365261 B2 JPS6365261 B2 JP S6365261B2
Authority
JP
Japan
Prior art keywords
signal
phase
error
outputting
signals
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
JP57081312A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58198947A (ja
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
Priority to JP57081312A priority Critical patent/JPS58198947A/ja
Publication of JPS58198947A publication Critical patent/JPS58198947A/ja
Publication of JPS6365261B2 publication Critical patent/JPS6365261B2/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)
JP57081312A 1982-05-14 1982-05-14 ４相位相復調器 Granted JPS58198947A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57081312A JPS58198947A (ja) 1982-05-14 1982-05-14 ４相位相復調器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57081312A JPS58198947A (ja) 1982-05-14 1982-05-14 ４相位相復調器

Publications (2)

Publication Number Publication Date
JPS58198947A JPS58198947A (ja) 1983-11-19
JPS6365261B2 true JPS6365261B2 (enrdf_load_stackoverflow) 1988-12-15

Family

ID=13742876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57081312A Granted JPS58198947A (ja) 1982-05-14 1982-05-14 ４相位相復調器

Country Status (1)

Country Link
JP (1) JPS58198947A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS58198947A (ja) 1983-11-19

Similar Documents

Publication Publication Date Title
US3984778A (en) Carrier recovery scheme for a SSB-SC signal
JPH0716206B2 (ja) 信号検出器
JPH07212421A (ja) Ａｆｃ回路
US4054838A (en) QAM phase jitter and frequency offset correction system
US6038268A (en) Direct conversion FSK signal radio receiver
JPH0628338B2 (ja) フエーズロツクドループ及びそれを用いる直接混合同期ａｍ受信機
EP0106163B1 (en) 8-phase phase-shift keying demodulator
JPH0787476B2 (ja) 復調装置
JP3020526B2 (ja) 直接混合同期ａｍ受信器
JP2579243B2 (ja) 復調装置
JPH1041992A (ja) 準同期検波復調装置
JPS5918900B2 (ja) 復調装置
JPS6365261B2 (enrdf_load_stackoverflow)
US6639951B1 (en) Digital demodulator
JP2910695B2 (ja) コスタスループ搬送波再生回路
JPH06105898B2 (ja) 干渉補償回路
US6615029B1 (en) Electronic circuits
JPS6173459A (ja) Ｄｐｓｋ信号の遅延検波回路装置
JPH0330341B2 (enrdf_load_stackoverflow)
JP2890104B2 (ja) Ｑａｍ復調装置
JP2874450B2 (ja) 復調器
JPS60189354A (ja) 通信方式
JPH0467382B2 (enrdf_load_stackoverflow)
JPH08331192A (ja) Ｑａｍ復調装置
JPS5923662A (ja) 直接周波数変調信号のデ−タ復調器