JPS6447986A - Active sonar system - Google Patents
Active sonar systemInfo
- Publication number
- JPS6447986A JPS6447986A JP20438887A JP20438887A JPS6447986A JP S6447986 A JPS6447986 A JP S6447986A JP 20438887 A JP20438887 A JP 20438887A JP 20438887 A JP20438887 A JP 20438887A JP S6447986 A JPS6447986 A JP S6447986A
- Authority
- JP
- Japan
- Prior art keywords
- frequencies
- circuit
- waves
- high frequency
- difference
- 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
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20438887A JPS6447986A (en) | 1987-08-18 | 1987-08-18 | Active sonar system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20438887A JPS6447986A (en) | 1987-08-18 | 1987-08-18 | Active sonar system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447986A true JPS6447986A (en) | 1989-02-22 |
Family
ID=16489711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20438887A Pending JPS6447986A (en) | 1987-08-18 | 1987-08-18 | Active sonar system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447986A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009025103A (ja) * | 2007-07-18 | 2009-02-05 | Tokyo Electric Power Co Inc:The | 反射法探査システム |
-
1987
- 1987-08-18 JP JP20438887A patent/JPS6447986A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009025103A (ja) * | 2007-07-18 | 2009-02-05 | Tokyo Electric Power Co Inc:The | 反射法探査システム |
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