JPH045159B2 - - Google Patents
Info
- Publication number
- JPH045159B2 JPH045159B2 JP19209984A JP19209984A JPH045159B2 JP H045159 B2 JPH045159 B2 JP H045159B2 JP 19209984 A JP19209984 A JP 19209984A JP 19209984 A JP19209984 A JP 19209984A JP H045159 B2 JPH045159 B2 JP H045159B2
- Authority
- JP
- Japan
- Prior art keywords
- received signal
- pulses
- signal
- signal pulse
- frequency
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000002604 ultrasonography Methods 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 |
---|---|---|---|
JP19209984A JPS6170483A (ja) | 1984-09-13 | 1984-09-13 | 水中探知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19209984A JPS6170483A (ja) | 1984-09-13 | 1984-09-13 | 水中探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6170483A JPS6170483A (ja) | 1986-04-11 |
JPH045159B2 true JPH045159B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-01-30 |
Family
ID=16285630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19209984A Granted JPS6170483A (ja) | 1984-09-13 | 1984-09-13 | 水中探知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6170483A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5991826B2 (ja) * | 2012-02-24 | 2016-09-14 | 古野電気株式会社 | 水中探知装置およびプログラム |
JP5965715B2 (ja) * | 2012-04-27 | 2016-08-10 | 古野電気株式会社 | 超音波送受信装置、超音波送受信方法、および超音波送受信プログラム |
JP2014077701A (ja) * | 2012-10-10 | 2014-05-01 | Furuno Electric Co Ltd | 魚群探知装置、信号処理装置、魚群探知機、魚群探知方法、及びプログラム |
JP6216108B2 (ja) * | 2012-10-10 | 2017-10-18 | 古野電気株式会社 | 魚種判別装置、信号処理装置、水中探知機、魚種判別方法、及びプログラム |
EP3153881A1 (en) * | 2015-10-06 | 2017-04-12 | Furuno Electric Company Limited | Detection apparatus, fish finder, and radar |
-
1984
- 1984-09-13 JP JP19209984A patent/JPS6170483A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6170483A (ja) | 1986-04-11 |