JPS6072454A - ディジタル周波数変調信号の同期復調装置 - Google Patents
ディジタル周波数変調信号の同期復調装置Info
- Publication number
- JPS6072454A JPS6072454A JP18154183A JP18154183A JPS6072454A JP S6072454 A JPS6072454 A JP S6072454A JP 18154183 A JP18154183 A JP 18154183A JP 18154183 A JP18154183 A JP 18154183A JP S6072454 A JPS6072454 A JP S6072454A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- multiplier
- phase
- output
- 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
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008929 regeneration Effects 0.000 abstract description 6
- 238000011069 regeneration method Methods 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- QJUXBIVLOGRZSQ-OQMMLGNJSA-N eliq Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1.C([C@]12[C@H]3C[C@H]3[C@H]3[C@H]4[C@@H]([C@]5(CCC(=O)C=C5[C@@H]5C[C@@H]54)C)CC[C@@]31C)CC(=O)O2 QJUXBIVLOGRZSQ-OQMMLGNJSA-N 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
- H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- 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 |
---|---|---|---|
JP18154183A JPS6072454A (ja) | 1983-09-29 | 1983-09-29 | ディジタル周波数変調信号の同期復調装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18154183A JPS6072454A (ja) | 1983-09-29 | 1983-09-29 | ディジタル周波数変調信号の同期復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6072454A true JPS6072454A (ja) | 1985-04-24 |
JPH0467382B2 JPH0467382B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-10-28 |
Family
ID=16102579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18154183A Granted JPS6072454A (ja) | 1983-09-29 | 1983-09-29 | ディジタル周波数変調信号の同期復調装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6072454A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5548619A (en) * | 1993-07-20 | 1996-08-20 | Matsushita Electric Industrial Co., Ltd. | Radio receiver apparatus of orthogonal detection type comprising local oscillator means with improved automatic frequency control arrangement |
JP2016500217A (ja) * | 2012-10-01 | 2016-01-07 | パーク、ジョシュアPARK, Joshua | Rfキャリア同期と位相アライメントの方法及びシステム |
-
1983
- 1983-09-29 JP JP18154183A patent/JPS6072454A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5548619A (en) * | 1993-07-20 | 1996-08-20 | Matsushita Electric Industrial Co., Ltd. | Radio receiver apparatus of orthogonal detection type comprising local oscillator means with improved automatic frequency control arrangement |
JP2016500217A (ja) * | 2012-10-01 | 2016-01-07 | パーク、ジョシュアPARK, Joshua | Rfキャリア同期と位相アライメントの方法及びシステム |
Also Published As
Publication number | Publication date |
---|---|
JPH0467382B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2025232C (en) | Carrier recovery system | |
US4054838A (en) | QAM phase jitter and frequency offset correction system | |
JPH08149166A (ja) | 無線通信装置 | |
US4518922A (en) | Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying | |
CN111181883B (zh) | 利用过零避免的极化发射机 | |
Gudovskiy et al. | A novel nondata-aided synchronization algorithm for MSK-type-modulated signals | |
JPS6347307B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
EP0484914B1 (en) | Demodulator and method for demodulating digital signals modulated by a minimum shift keying | |
WO1997020417A1 (fr) | Demodulateur numerique | |
JPS6072454A (ja) | ディジタル周波数変調信号の同期復調装置 | |
JPH09247043A (ja) | スペクトラム拡散通信方式における受信装置 | |
JP3489493B2 (ja) | シンボル同期装置および周波数ホッピング受信装置 | |
Chang et al. | Digital GFSK carrier synchronization | |
JPH0779363B2 (ja) | 遅延検波回路 | |
Chang | Least squares/maximum likelihood methods for the decision-aided GFSK receiver | |
JP3859324B2 (ja) | 搬送波再生装置 | |
JPH0614070A (ja) | デジタル復調器 | |
JP2682363B2 (ja) | スペクトル拡散変調及び/又は復調装置 | |
JP2514113B2 (ja) | スペクトル拡散復調装置 | |
JPH1028149A (ja) | クロック再生回路 | |
JP3088433B2 (ja) | Msk復調装置 | |
JPH0998198A (ja) | ディジタル信号復調装置 | |
JP2689806B2 (ja) | 同期型スペクトル拡散変調波の復調装置 | |
JPS63200624A (ja) | Gmsk同期検波用適応等化方式 | |
JPH01181363A (ja) | Gmskモデム識別装置 |