JPS58127187A - 反響探知装置 - Google Patents
反響探知装置Info
- Publication number
- JPS58127187A JPS58127187A JP57011069A JP1106982A JPS58127187A JP S58127187 A JPS58127187 A JP S58127187A JP 57011069 A JP57011069 A JP 57011069A JP 1106982 A JP1106982 A JP 1106982A JP S58127187 A JPS58127187 A JP S58127187A
- Authority
- JP
- Japan
- Prior art keywords
- display
- signal
- period
- echo
- pixel
- 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 39
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract 2
- 238000004886 process control Methods 0.000 abstract 1
- 241000251468 Actinopterygii Species 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/30—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57011069A JPS58127187A (ja) | 1982-01-25 | 1982-01-25 | 反響探知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57011069A JPS58127187A (ja) | 1982-01-25 | 1982-01-25 | 反響探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58127187A true JPS58127187A (ja) | 1983-07-28 |
JPH0245833B2 JPH0245833B2 (enrdf_load_stackoverflow) | 1990-10-11 |
Family
ID=11767686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57011069A Granted JPS58127187A (ja) | 1982-01-25 | 1982-01-25 | 反響探知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58127187A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS641988A (en) * | 1987-06-24 | 1989-01-06 | Nec Corp | Target display device |
-
1982
- 1982-01-25 JP JP57011069A patent/JPS58127187A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS641988A (en) * | 1987-06-24 | 1989-01-06 | Nec Corp | Target display device |
Also Published As
Publication number | Publication date |
---|---|
JPH0245833B2 (enrdf_load_stackoverflow) | 1990-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4232380A (en) | Underwater mapping apparatus and method | |
US4030096A (en) | Automatic target detector | |
JPS58127187A (ja) | 反響探知装置 | |
US4472793A (en) | Data selector circuit with channel skipper for data acquisition system | |
JP3450661B2 (ja) | 水中探知装置 | |
JPH05196733A (ja) | 魚群探知機の単体魚判別回路 | |
JPH02164352A (ja) | 超音波診断画像処理装置 | |
JPH05180928A (ja) | 水中探知装置 | |
JP2002090453A (ja) | 魚群探知機 | |
JP4796777B2 (ja) | 水中探知装置 | |
JPS61279235A (ja) | 超音波診断装置 | |
JPH10122844A (ja) | 超音波計測装置及びその温度補正方法 | |
JP3099034B2 (ja) | 魚群探知機 | |
JPH08280683A (ja) | 超音波診断装置 | |
JPH0221262B2 (enrdf_load_stackoverflow) | ||
JP2558010B2 (ja) | 魚群探知機 | |
JPS635016Y2 (enrdf_load_stackoverflow) | ||
JP4547485B2 (ja) | 魚群探知機 | |
JP2567246B2 (ja) | カラ−表示mti装置 | |
JPH05312946A (ja) | 魚群探知機 | |
JPH0425668Y2 (enrdf_load_stackoverflow) | ||
JPH0143916B2 (enrdf_load_stackoverflow) | ||
JPH04113289A (ja) | レーダ装置 | |
JPH0526153B2 (enrdf_load_stackoverflow) | ||
JPS6030903B2 (ja) | スキヤンニングソ−ナ−における受信方式 |