JPH01139645U - - Google Patents
Info
- Publication number
- JPH01139645U JPH01139645U JP3489788U JP3489788U JPH01139645U JP H01139645 U JPH01139645 U JP H01139645U JP 3489788 U JP3489788 U JP 3489788U JP 3489788 U JP3489788 U JP 3489788U JP H01139645 U JPH01139645 U JP H01139645U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- spread
- carrier wave
- spread spectrum
- 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.)
- Pending
Links
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3489788U JPH01139645U (2) | 1988-03-16 | 1988-03-16 | |
| US07/313,259 US4977578A (en) | 1988-02-19 | 1989-02-21 | Spread spectrum communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3489788U JPH01139645U (2) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139645U true JPH01139645U (2) | 1989-09-25 |
Family
ID=31261566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3489788U Pending JPH01139645U (2) | 1988-02-19 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139645U (2) |
-
1988
- 1988-03-16 JP JP3489788U patent/JPH01139645U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0646032A (ja) | スペクトル拡散通信方式 | |
| JPS6093861A (ja) | ベースバンド信号による電気通信用搬送波の周波数変調装置 | |
| JPS6347307B2 (2) | ||
| US3971999A (en) | Coherent phase demodulator for phase shift keyed suppressed carrier signals | |
| EP0325459A2 (en) | Digital modulator | |
| US4489430A (en) | FM Stereo demodulation circuit | |
| JP3115251B2 (ja) | Amデータ多重被変調波信号復調回路 | |
| KR970007873B1 (ko) | Bpsk 복조회로 | |
| JPH07283762A (ja) | スペクトラム拡散通信装置 | |
| SU1596467A1 (ru) | Устройство дл передачи и приема однополосных сигналов фазовой модул ции с разнесением по частоте | |
| JP3316232B2 (ja) | Msk変調回路 | |
| JPH057196A (ja) | スペクトル拡散変復調方式 | |
| JPH02177628A (ja) | 広帯域信号のfm伝送方式およびその受信方式 | |
| JPH06120990A (ja) | 直交変調回路 | |
| JPS6338140B2 (2) | ||
| JPH0226841U (2) | ||
| JPS61224763A (ja) | 4相dpsk波の復調回路 | |
| JPS60196049A (ja) | 搬送波再生回路 | |
| JPH06232839A (ja) | スペクトラム拡散受信機 | |
| JPS6130849A (ja) | 時分割多重信号中の4相dpsk波の復調回路 | |
| JPH0750879B2 (ja) | スペクトラム拡散受信機 | |
| JPH05199205A (ja) | 同期型スペクトル拡散変調波の復調装置 | |
| JPH02252342A (ja) | ディジタル変調および復調装置 | |
| JPS61281788A (ja) | 衛星通信用受信機のfm復調器 | |
| JPH07118687B2 (ja) | 復調装置 |