JPS5883444A - 中継伝送系の障害点探索方式 - Google Patents
中継伝送系の障害点探索方式Info
- Publication number
- JPS5883444A JPS5883444A JP56180304A JP18030481A JPS5883444A JP S5883444 A JPS5883444 A JP S5883444A JP 56180304 A JP56180304 A JP 56180304A JP 18030481 A JP18030481 A JP 18030481A JP S5883444 A JPS5883444 A JP S5883444A
- Authority
- JP
- Japan
- Prior art keywords
- repeater
- signal
- output
- stage
- input
- 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 title claims description 36
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 4
- 238000001615 p wave Methods 0.000 claims description 2
- 238000011017 operating method Methods 0.000 abstract description 2
- 230000005856 abnormality Effects 0.000 description 39
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56180304A JPS5883444A (ja) | 1981-11-12 | 1981-11-12 | 中継伝送系の障害点探索方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56180304A JPS5883444A (ja) | 1981-11-12 | 1981-11-12 | 中継伝送系の障害点探索方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5883444A true JPS5883444A (ja) | 1983-05-19 |
JPS6347167B2 JPS6347167B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-20 |
Family
ID=16080860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56180304A Granted JPS5883444A (ja) | 1981-11-12 | 1981-11-12 | 中継伝送系の障害点探索方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5883444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-11-12 JP JP56180304A patent/JPS5883444A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6347167B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-20 |