JPS60143040A - 干渉波検出方式 - Google Patents
干渉波検出方式Info
- Publication number
- JPS60143040A JPS60143040A JP58249795A JP24979583A JPS60143040A JP S60143040 A JPS60143040 A JP S60143040A JP 58249795 A JP58249795 A JP 58249795A JP 24979583 A JP24979583 A JP 24979583A JP S60143040 A JPS60143040 A JP S60143040A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- interference
- beat
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 15
- 230000035559 beat frequency Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000001615 p wave Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58249795A JPS60143040A (ja) | 1983-12-29 | 1983-12-29 | 干渉波検出方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58249795A JPS60143040A (ja) | 1983-12-29 | 1983-12-29 | 干渉波検出方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60143040A true JPS60143040A (ja) | 1985-07-29 |
JPH0244422B2 JPH0244422B2 (enrdf_load_stackoverflow) | 1990-10-03 |
Family
ID=17198328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58249795A Granted JPS60143040A (ja) | 1983-12-29 | 1983-12-29 | 干渉波検出方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60143040A (enrdf_load_stackoverflow) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515884A (en) * | 1974-07-03 | 1976-01-19 | Hitachi Ltd | Hakunetsudenkyuno seidentososochi |
JPS58151737A (ja) * | 1982-03-05 | 1983-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 干渉検出回路 |
-
1983
- 1983-12-29 JP JP58249795A patent/JPS60143040A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515884A (en) * | 1974-07-03 | 1976-01-19 | Hitachi Ltd | Hakunetsudenkyuno seidentososochi |
JPS58151737A (ja) * | 1982-03-05 | 1983-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 干渉検出回路 |
Also Published As
Publication number | Publication date |
---|---|
JPH0244422B2 (enrdf_load_stackoverflow) | 1990-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4166927A (en) | Apparatus and method for frequency channel selection in a radiotelephone system | |
US4066848A (en) | Telephone ring detector circuit | |
JPS60213167A (ja) | 呼出信号検出装置 | |
US3959603A (en) | Dual tone multiple frequency receiver/decoder | |
US4635298A (en) | Interference wave detection circuit for use in radio receiver | |
JPS60143040A (ja) | 干渉波検出方式 | |
US3268816A (en) | Adaptive communications system incorporating receiver selection of communications channel | |
JPS60227534A (ja) | 干渉波検出方式 | |
JPH0523527B2 (enrdf_load_stackoverflow) | ||
JPH0616609B2 (ja) | 干渉波検出方式 | |
JPS60227533A (ja) | 干渉波検出方式 | |
JPH09219656A (ja) | トーンスケルチ回路 | |
RU2093963C1 (ru) | Устройство поиска сигнала синхронизации спутниковой системы связи | |
SU1260869A1 (ru) | Устройство дл измерений частоты радиотелефонного частотно-модулированного сигнала | |
JPS59161139A (ja) | 移動通信方式の制御方式 | |
SU501487A1 (ru) | Устройство дл контрол каналов дальней св зи | |
SU1566495A1 (ru) | Устройство приема зондирующего сигнала | |
SU869073A2 (ru) | Устройство выделени телеграфных каналов из вторично уплотненных телефонных каналов | |
SU1394442A2 (ru) | Устройство дл контрол работоспособности супергетеродинного приемника | |
JPS6366098B2 (enrdf_load_stackoverflow) | ||
JPS58162144A (ja) | 干渉波検出方式 | |
JPS58162146A (ja) | 干渉波検出方式 | |
JPS6243615B2 (enrdf_load_stackoverflow) | ||
JPH0568134B2 (enrdf_load_stackoverflow) | ||
JPS5829906B2 (ja) | ファクシミリ用検出回路 |