JPS5834659A - デイジタル変調器 - Google Patents
デイジタル変調器Info
- Publication number
- JPS5834659A JPS5834659A JP13318881A JP13318881A JPS5834659A JP S5834659 A JPS5834659 A JP S5834659A JP 13318881 A JP13318881 A JP 13318881A JP 13318881 A JP13318881 A JP 13318881A JP S5834659 A JPS5834659 A JP S5834659A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- signal
- frequency
- circuit
- center frequency
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 241000951471 Citrus junos Species 0.000 description 1
- 101100328843 Dictyostelium discoideum cofB gene Proteins 0.000 description 1
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- IYRWEQXVUNLMAY-UHFFFAOYSA-N carbonyl fluoride Chemical compound FC(F)=O IYRWEQXVUNLMAY-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 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
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
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 |
---|---|---|---|
JP13318881A JPS5834659A (ja) | 1981-08-25 | 1981-08-25 | デイジタル変調器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13318881A JPS5834659A (ja) | 1981-08-25 | 1981-08-25 | デイジタル変調器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5834659A true JPS5834659A (ja) | 1983-03-01 |
JPH0136746B2 JPH0136746B2 (enrdf_load_stackoverflow) | 1989-08-02 |
Family
ID=15098747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13318881A Granted JPS5834659A (ja) | 1981-08-25 | 1981-08-25 | デイジタル変調器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5834659A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047833A (ja) * | 1983-08-26 | 1985-03-15 | Mazda Motor Corp | エンジンの空燃比制御装置 |
JPS6193249A (ja) * | 1984-10-11 | 1986-05-12 | Fujitsu Ten Ltd | 内燃機関の制御装置 |
JPS61106938A (ja) * | 1984-10-30 | 1986-05-24 | Fujitsu Ten Ltd | 学習制御機能を備えた内燃機関の制御装置 |
-
1981
- 1981-08-25 JP JP13318881A patent/JPS5834659A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047833A (ja) * | 1983-08-26 | 1985-03-15 | Mazda Motor Corp | エンジンの空燃比制御装置 |
JPS6193249A (ja) * | 1984-10-11 | 1986-05-12 | Fujitsu Ten Ltd | 内燃機関の制御装置 |
JPS61106938A (ja) * | 1984-10-30 | 1986-05-24 | Fujitsu Ten Ltd | 学習制御機能を備えた内燃機関の制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0136746B2 (enrdf_load_stackoverflow) | 1989-08-02 |
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