JPS57112159A - Method for carrier regeneration - Google Patents
Method for carrier regenerationInfo
- Publication number
- JPS57112159A JPS57112159A JP55185338A JP18533880A JPS57112159A JP S57112159 A JPS57112159 A JP S57112159A JP 55185338 A JP55185338 A JP 55185338A JP 18533880 A JP18533880 A JP 18533880A JP S57112159 A JPS57112159 A JP S57112159A
- Authority
- JP
- Japan
- Prior art keywords
- components
- outputted
- inputted
- error signal
- signal
- 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
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)
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 true JPS57112159A (en) | 1982-07-13 |
JPS6135742B2 JPS6135742B2 (ja) | 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 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0104449A2 (en) * | 1982-08-28 | 1984-04-04 | Nec Corporation | Quadrature amplitude demodulator comprising a combination of a full-wave rectifying circuit and binary detectors |
EP0108358A2 (en) * | 1982-10-30 | 1984-05-16 | Nec Corporation | Phase demodulator |
JPS61225951A (ja) * | 1985-03-28 | 1986-10-07 | エイ・ティ・アンド・ティ・コーポレーション | キヤリア復元回路 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62178066U (ja) * | 1986-01-14 | 1987-11-12 | ||
JPH0533255Y2 (ja) * | 1986-04-19 | 1993-08-24 |
-
1980
- 1980-12-29 JP JP55185338A patent/JPS57112159A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0104449A2 (en) * | 1982-08-28 | 1984-04-04 | Nec Corporation | Quadrature amplitude demodulator comprising a combination of a full-wave rectifying circuit and binary detectors |
EP0108358A2 (en) * | 1982-10-30 | 1984-05-16 | Nec Corporation | Phase demodulator |
JPS61225951A (ja) * | 1985-03-28 | 1986-10-07 | エイ・ティ・アンド・ティ・コーポレーション | キヤリア復元回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS6135742B2 (ja) | 1986-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1992008307A3 (en) | Optimal demodulator using maximum a posteriori probability estimation | |
FI902302A0 (fi) | Logpolaer signalbehandling. | |
CA2025232A1 (en) | Carrier recovery system | |
JPH0691481B2 (ja) | Agc回路 | |
US4707666A (en) | Frequency demodulator circuit with zero-crossing counter | |
US4333060A (en) | Phase locked loop for recovering data bit timing | |
JPS5555412A (en) | Signal recording and reproducing device | |
JPS57112159A (en) | Method for carrier regeneration | |
GB1343238A (en) | Unique word detection in digital burst communications systems | |
US3843928A (en) | Fm demodulation system providing noise reduction property | |
CA2102407A1 (en) | Method and Apparatus for Modifying a Decision-Directed Clock Recovery System | |
SU1246907A3 (ru) | Устройство дл формировани сигнала псевдоошибки | |
JPS6038957A (ja) | 4相psk波の位相不確定除去回路 | |
US4029903A (en) | Receiver for PSK digital signals | |
GB1323446A (en) | Data communication system | |
EP0151394A2 (en) | Demodulator for ditital FM signals | |
JPS5745764A (en) | Reference carrier reproducing circuit | |
GB1502454A (en) | Method of providing automatic adaptive equalization of multiphase modulated data signals | |
JPS55161432A (en) | Adjusting system of automatic equalizer for orthogonal amplitude modulation data signal | |
JPS6324580B2 (ja) | ||
US20030053578A1 (en) | Synchronous receiver | |
JPS6048648A (ja) | 搬送波再生回路 | |
GB1095820A (en) | Improvements in or relating to signal transmission and receiving systems | |
SU902270A1 (ru) | Устройство адаптивной демодул ции сигналов двухканальной частотной телеграфии | |
JPH0773251B2 (ja) | Pcm伝送路用復調回路 |