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.)
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 LtdfiledCriticalFujitsu Ltd
Priority to JP6525976ApriorityCriticalpatent/JPS52149015A/ja
Publication of JPS52149015ApublicationCriticalpatent/JPS52149015A/ja
Publication of JPS5756824B2publicationCriticalpatent/JPS5756824B2/ja
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)
Synchronisation In Digital Transmission Systems
(AREA)
JP6525976A1976-06-041976-06-04Synchronism detection system
GrantedJPS52149015A
(en)
