JPS57187674A - Reflection finder - Google Patents
Reflection finderInfo
- Publication number
- JPS57187674A JPS57187674A JP56072237A JP7223781A JPS57187674A JP S57187674 A JPS57187674 A JP S57187674A JP 56072237 A JP56072237 A JP 56072237A JP 7223781 A JP7223781 A JP 7223781A JP S57187674 A JPS57187674 A JP S57187674A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse
- display
- sea
- depth
- 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
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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/34—Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (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 |
---|---|---|---|
JP56072237A JPS57187674A (en) | 1981-05-15 | 1981-05-15 | Reflection finder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072237A JPS57187674A (en) | 1981-05-15 | 1981-05-15 | Reflection finder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187674A true JPS57187674A (en) | 1982-11-18 |
JPH0239754B2 JPH0239754B2 (enrdf_load_stackoverflow) | 1990-09-06 |
Family
ID=13483471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56072237A Granted JPS57187674A (en) | 1981-05-15 | 1981-05-15 | Reflection finder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57187674A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62152282U (enrdf_load_stackoverflow) * | 1986-03-18 | 1987-09-26 | ||
JPH01210886A (ja) * | 1988-02-18 | 1989-08-24 | Japan Radio Co Ltd | 魚群探知機における自動海底探査表示方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05140U (ja) * | 1991-06-20 | 1993-01-08 | 東陶機器株式会社 | 高濃度酸素供給機能を有する浴槽装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439747A (en) * | 1977-09-03 | 1979-03-27 | Otake Toushirou | Power generating device |
-
1981
- 1981-05-15 JP JP56072237A patent/JPS57187674A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439747A (en) * | 1977-09-03 | 1979-03-27 | Otake Toushirou | Power generating device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62152282U (enrdf_load_stackoverflow) * | 1986-03-18 | 1987-09-26 | ||
JPH01210886A (ja) * | 1988-02-18 | 1989-08-24 | Japan Radio Co Ltd | 魚群探知機における自動海底探査表示方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0239754B2 (enrdf_load_stackoverflow) | 1990-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE164454T1 (de) | Sonarsystem mit korrelation | |
EP0397221B1 (en) | The processing of reflected signals | |
ES481922A1 (es) | Procedimiento para medir automaticamente con precision una distancia entre dos lugares sumergidos. | |
RU93051547A (ru) | Устройство для измерения расстояния с помощью ультразвука | |
GB1505977A (en) | Echo ranging apparatus | |
US3766518A (en) | Apparatus for determining distance | |
US3863198A (en) | Doppler sonar utilizing period measurement with thresholded receivers | |
GB1092531A (en) | Liquid presence detector | |
JPS57187674A (en) | Reflection finder | |
GB1254728A (en) | Method and system for determining reflectivity of the ocean bottom | |
FR2374653A1 (fr) | Sondeur a echo assurant l'annulation des echos parasites | |
US3460059A (en) | Circuit arrangement for echo sounders | |
US3710310A (en) | System for determining depth of water | |
RU97111517A (ru) | Эхолот | |
Carpenter | A digital echo-counting system for use in fisheries research | |
JP2828259B2 (ja) | 魚群探知機 | |
JPS5730968A (en) | Echo sounder | |
SU1095039A1 (ru) | Устройство дл измерени скорости ультразвука в материалах | |
JPS5618777A (en) | Range measuring apparatus | |
JPS56160672A (en) | Sea bottom signal sensor of sea depth sounding device | |
SU1034000A2 (ru) | Измерительно-передающее устройство | |
JP2599009B2 (ja) | 超音波送受信方式 | |
ATE49304T1 (de) | Verfahren und vorrichtung zur ultraschallabtastung eines objekts mit einem ultraschallkopf. | |
JPS5468273A (en) | Mimic target | |
WO2001038899A1 (en) | Signal processing apparatus |