JPS6232663B2 - - Google Patents
Info
- Publication number
- JPS6232663B2 JPS6232663B2 JP56060945A JP6094581A JPS6232663B2 JP S6232663 B2 JPS6232663 B2 JP S6232663B2 JP 56060945 A JP56060945 A JP 56060945A JP 6094581 A JP6094581 A JP 6094581A JP S6232663 B2 JPS6232663 B2 JP S6232663B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- station
- communication system
- terminal
- transmitted
- 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
- 238000004891 communication Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56060945A JPS57174953A (en) | 1981-04-21 | 1981-04-21 | Frequency measuring method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56060945A JPS57174953A (en) | 1981-04-21 | 1981-04-21 | Frequency measuring method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57174953A JPS57174953A (en) | 1982-10-27 |
JPS6232663B2 true JPS6232663B2 (enrdf_load_html_response) | 1987-07-16 |
Family
ID=13157025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56060945A Granted JPS57174953A (en) | 1981-04-21 | 1981-04-21 | Frequency measuring method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57174953A (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3599183B2 (ja) | 2001-03-28 | 2004-12-08 | 日本電気株式会社 | 衛星通信送信制御方式及び小型地球局 |
-
1981
- 1981-04-21 JP JP56060945A patent/JPS57174953A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57174953A (en) | 1982-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4489413A (en) | Apparatus for controlling the receive and transmit frequency of a transceiver | |
US4019138A (en) | Frequency synchronizing system for satellite communication | |
JPH0423968B2 (enrdf_load_html_response) | ||
GB9005750D0 (en) | Frequency control in single sideband mobile radio systems | |
IE33059B1 (en) | Improvements in or relating to data transmission systems | |
US4155039A (en) | Two-way transmission system between a main station and secondary stations | |
JPS6232663B2 (enrdf_load_html_response) | ||
GB1048328A (en) | Radio communication system | |
KR100947469B1 (ko) | 주파수 호핑 무선 통신을 위한 방법 및 시스템 | |
JPS57210743A (en) | Tdma synchronizing system | |
GB1030016A (en) | Improvements in or relating to systems for relaying radio signals | |
JPS5811143B2 (ja) | 送信周波数制御装置 | |
JPS6157741B2 (enrdf_load_html_response) | ||
JPS639414B2 (enrdf_load_html_response) | ||
JPS55132135A (en) | Simultaneous transmitting-receiving radio equipment | |
US3671864A (en) | Transmission system for measuring time of transmission | |
JPS5856293B2 (ja) | 多方向通信網の補助信号插入方式 | |
JP3767348B2 (ja) | 再生中継型中継装置 | |
JPH0763158B2 (ja) | 無線中継システム | |
JPS6333824B2 (enrdf_load_html_response) | ||
JPS6014541A (ja) | 時分割多元接続通信方式 | |
JPS6341251B2 (enrdf_load_html_response) | ||
JPH01246927A (ja) | 衛星通信同期網システム | |
JPS6167315A (ja) | 自動周波数制御方式 | |
JPS6267939A (ja) | Tdmaアクイジシヨン方式 |