JPS6336476B2 - - Google Patents
Info
- Publication number
- JPS6336476B2 JPS6336476B2 JP56152799A JP15279981A JPS6336476B2 JP S6336476 B2 JPS6336476 B2 JP S6336476B2 JP 56152799 A JP56152799 A JP 56152799A JP 15279981 A JP15279981 A JP 15279981A JP S6336476 B2 JPS6336476 B2 JP S6336476B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- coordinate system
- ship
- average value
- speed
- 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
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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (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 |
---|---|---|---|
JP56152799A JPS5853783A (ja) | 1981-09-26 | 1981-09-26 | 船舶用速度測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56152799A JPS5853783A (ja) | 1981-09-26 | 1981-09-26 | 船舶用速度測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5853783A JPS5853783A (ja) | 1983-03-30 |
JPS6336476B2 true JPS6336476B2 (enrdf_load_stackoverflow) | 1988-07-20 |
Family
ID=15548399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56152799A Granted JPS5853783A (ja) | 1981-09-26 | 1981-09-26 | 船舶用速度測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5853783A (enrdf_load_stackoverflow) |
-
1981
- 1981-09-26 JP JP56152799A patent/JPS5853783A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5853783A (ja) | 1983-03-30 |
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