JPH0337145B2 - - Google Patents
Info
- Publication number
- JPH0337145B2 JPH0337145B2 JP5897686A JP5897686A JPH0337145B2 JP H0337145 B2 JPH0337145 B2 JP H0337145B2 JP 5897686 A JP5897686 A JP 5897686A JP 5897686 A JP5897686 A JP 5897686A JP H0337145 B2 JPH0337145 B2 JP H0337145B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- gate
- echo signal
- counting
- tracking 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 12
- 238000002592 echocardiography Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000005284 excitation Effects 0.000 description 4
- 238000012876 topography Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5897686A JPS62214382A (ja) | 1986-03-17 | 1986-03-17 | 船速測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5897686A JPS62214382A (ja) | 1986-03-17 | 1986-03-17 | 船速測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62214382A JPS62214382A (ja) | 1987-09-21 |
| JPH0337145B2 true JPH0337145B2 (enrdf_load_stackoverflow) | 1991-06-04 |
Family
ID=13099878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5897686A Granted JPS62214382A (ja) | 1986-03-17 | 1986-03-17 | 船速測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62214382A (enrdf_load_stackoverflow) |
-
1986
- 1986-03-17 JP JP5897686A patent/JPS62214382A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62214382A (ja) | 1987-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7382107B2 (ja) | コード化された超音波送信に対する飛行時間及びコードシグネチャ検出 | |
| US6314055B1 (en) | Range measuring system | |
| JPS585387B2 (ja) | ソクドソクテイソウチ | |
| US3766518A (en) | Apparatus for determining distance | |
| JP2553480B2 (ja) | 魚群探知機の単体魚判別回路 | |
| US3745520A (en) | Method for determining the distance travelled over by a vehicle with respect to a reference surface and device for practising said method | |
| JPH0337145B2 (enrdf_load_stackoverflow) | ||
| JPS58186067A (ja) | 距離測定方式 | |
| JPH0141949B2 (enrdf_load_stackoverflow) | ||
| JP2501032B2 (ja) | 超音波物体検知器 | |
| JPH03248082A (ja) | 海底反射波位置検出装置 | |
| Carpenter | A digital echo-counting system for use in fisheries research | |
| JP2900631B2 (ja) | セクタ・スキャン・インジケーション回路 | |
| JPH0141948B2 (enrdf_load_stackoverflow) | ||
| RU2045081C1 (ru) | Эхолокатор для распознавания морских грунтов | |
| RU2163723C1 (ru) | Способ определения параметров движения объекта локации | |
| JP2837484B2 (ja) | ドップラー式速度検出装置 | |
| JP2599009B2 (ja) | 超音波送受信方式 | |
| JP2500404Y2 (ja) | 船速測定装置 | |
| KR860000456B1 (ko) | 거리 측정 장치 | |
| JP2972630B2 (ja) | ウェーキ検出装置 | |
| JPH0442786Y2 (enrdf_load_stackoverflow) | ||
| JP2500403Y2 (ja) | 船速測定装置 | |
| JPS58184561A (ja) | 水中探知装置における相関装置 | |
| NO131904B (enrdf_load_stackoverflow) |