JPS5821575A - 反響探知装置 - Google Patents
反響探知装置Info
- Publication number
- JPS5821575A JPS5821575A JP12098381A JP12098381A JPS5821575A JP S5821575 A JPS5821575 A JP S5821575A JP 12098381 A JP12098381 A JP 12098381A JP 12098381 A JP12098381 A JP 12098381A JP S5821575 A JPS5821575 A JP S5821575A
- Authority
- JP
- Japan
- Prior art keywords
- display
- signal
- output
- gate signal
- gate
- 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
- 238000001514 detection method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract 1
- 241000251468 Actinopterygii Species 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 241000244206 Nematoda Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000238413 Octopus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12098381A JPS5821575A (ja) | 1981-07-31 | 1981-07-31 | 反響探知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12098381A JPS5821575A (ja) | 1981-07-31 | 1981-07-31 | 反響探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5821575A true JPS5821575A (ja) | 1983-02-08 |
JPH0143916B2 JPH0143916B2 (en]) | 1989-09-25 |
Family
ID=14799872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12098381A Granted JPS5821575A (ja) | 1981-07-31 | 1981-07-31 | 反響探知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821575A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009069164A (ja) * | 2002-03-29 | 2009-04-02 | Koden Electronics Co Ltd | 魚群探知機 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54145165A (en) * | 1978-05-02 | 1979-11-13 | Mitsubishi Heavy Ind Ltd | Input signal detecting level setter |
-
1981
- 1981-07-31 JP JP12098381A patent/JPS5821575A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54145165A (en) * | 1978-05-02 | 1979-11-13 | Mitsubishi Heavy Ind Ltd | Input signal detecting level setter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009069164A (ja) * | 2002-03-29 | 2009-04-02 | Koden Electronics Co Ltd | 魚群探知機 |
Also Published As
Publication number | Publication date |
---|---|
JPH0143916B2 (en]) | 1989-09-25 |
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