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
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 |
|---|---|---|---|
| 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) |
-
1982
- 1982-05-14 JP JP57081312A patent/JPS58198947A/ja active Granted
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 | |
| JPH07212421A (ja) | Afc回路 | |
| JPH0716206B2 (ja) | 信号検出器 | |
| 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) | ||
| JPH0998198A (ja) | ディジタル信号復調装置 | |
| 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 |