JPS6135742B2 - - Google Patents

Info

Publication number
JPS6135742B2
JPS6135742B2 JP55185338A JP18533880A JPS6135742B2 JP S6135742 B2 JPS6135742 B2 JP S6135742B2 JP 55185338 A JP55185338 A JP 55185338A JP 18533880 A JP18533880 A JP 18533880A JP S6135742 B2 JPS6135742 B2 JP S6135742B2
Authority
JP
Japan
Prior art keywords
carrier wave
signal
phase
axis
quadrant
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
JP55185338A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57112159A (en
Inventor
Takayuki Ozaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55185338A priority Critical patent/JPS57112159A/ja
Publication of JPS57112159A publication Critical patent/JPS57112159A/ja
Publication of JPS6135742B2 publication Critical patent/JPS6135742B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273Demodulator 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)
JP55185338A 1980-12-29 1980-12-29 Method for carrier regeneration Granted JPS57112159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55185338A JPS57112159A (en) 1980-12-29 1980-12-29 Method for carrier regeneration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55185338A JPS57112159A (en) 1980-12-29 1980-12-29 Method for carrier regeneration

Publications (2)

Publication Number Publication Date
JPS57112159A JPS57112159A (en) 1982-07-13
JPS6135742B2 true JPS6135742B2 (enrdf_load_stackoverflow) 1986-08-14

Family

ID=16169046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55185338A Granted JPS57112159A (en) 1980-12-29 1980-12-29 Method for carrier regeneration

Country Status (1)

Country Link
JP (1) JPS57112159A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178066U (enrdf_load_stackoverflow) * 1986-01-14 1987-11-12

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648100A (en) * 1985-03-28 1987-03-03 At&T Bell Laboratories Carrier recovery circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178066U (enrdf_load_stackoverflow) * 1986-01-14 1987-11-12

Also Published As

Publication number Publication date
JPS57112159A (en) 1982-07-13

Similar Documents

Publication Publication Date Title
JPH11127210A (ja) デジタル送信信号の受信機のための搬送波制御ループ
JPH06216651A (ja) デジタルfm復調装置
JPH0422380B2 (enrdf_load_stackoverflow)
JPH09224059A (ja) 直接変換fsk受信機
JPS6135742B2 (enrdf_load_stackoverflow)
US8102959B2 (en) Digital audio processing system and method
EP1291821B1 (en) Image noise reduction method and device
JP2001053819A (ja) 位相回転エラーを補償するための位相検出装置
JPH059978B2 (enrdf_load_stackoverflow)
JP3394788B2 (ja) 周波数弁別器
JPH02146844A (ja) 直交位相誤差検出回路
JP2972714B2 (ja) クロック信号抽出回路及びそれを用いたpcm信号復調回路
JPH0563057B2 (enrdf_load_stackoverflow)
JPH0964930A (ja) 復調方法および復調装置
JP3262069B2 (ja) 周波数誤差検出回路
JP3332074B2 (ja) クロック位相検出器及びクロック位相検出方法
JP2000101870A (ja) デジタル信号処理回路
JPH0334746A (ja) 搬送波再生回路
JP3109452B2 (ja) Psk復調回路
JPH05292140A (ja) 4相psk復調器
JP2553103B2 (ja) 搬送波再生回路
JP5767170B2 (ja) Fsk復調器
JP3193081B2 (ja) 角変調信号の復調装置
JPH0479186B2 (enrdf_load_stackoverflow)
JPS6173459A (ja) Dpsk信号の遅延検波回路装置