JPH0125437B2 - - Google Patents
Info
- Publication number
- JPH0125437B2 JPH0125437B2 JP56188706A JP18870681A JPH0125437B2 JP H0125437 B2 JPH0125437 B2 JP H0125437B2 JP 56188706 A JP56188706 A JP 56188706A JP 18870681 A JP18870681 A JP 18870681A JP H0125437 B2 JPH0125437 B2 JP H0125437B2
- Authority
- JP
- Japan
- Prior art keywords
- point
- water
- wave
- underwater
- receiving device
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 description 9
- 241000251468 Actinopterygii Species 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56188706A JPS5888679A (ja) | 1981-11-24 | 1981-11-24 | 水中探知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56188706A JPS5888679A (ja) | 1981-11-24 | 1981-11-24 | 水中探知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888679A JPS5888679A (ja) | 1983-05-26 |
| JPH0125437B2 true JPH0125437B2 (US07122547-20061017-C00273.png) | 1989-05-17 |
Family
ID=16228374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56188706A Granted JPS5888679A (ja) | 1981-11-24 | 1981-11-24 | 水中探知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888679A (US07122547-20061017-C00273.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61181987A (ja) * | 1985-02-07 | 1986-08-14 | Furuno Electric Co Ltd | 探知装置 |
| JP6179973B2 (ja) * | 2013-02-15 | 2017-08-16 | 古野電気株式会社 | 信号処理装置、水中探知装置、信号処理方法、及びプログラム |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558473A (en) * | 1978-10-26 | 1980-05-01 | Marine Instr Co Ltd | Depth sonar |
-
1981
- 1981-11-24 JP JP56188706A patent/JPS5888679A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558473A (en) * | 1978-10-26 | 1980-05-01 | Marine Instr Co Ltd | Depth sonar |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5888679A (ja) | 1983-05-26 |
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