SU640209A1 - Method of measuring ship speed relative to the bottom - Google Patents
Method of measuring ship speed relative to the bottomInfo
- Publication number
- SU640209A1 SU640209A1 SU762394219A SU2394219A SU640209A1 SU 640209 A1 SU640209 A1 SU 640209A1 SU 762394219 A SU762394219 A SU 762394219A SU 2394219 A SU2394219 A SU 2394219A SU 640209 A1 SU640209 A1 SU 640209A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- signals
- receivers
- coefficient
- envelope
- speed relative
- Prior art date
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
чение Эбсолютвой скорости суд-на в этом случае о редел етс The evolution of the absolute speed of the trial in this case is determined by
cos а dcos a d
(1)(one)
где d-рассто иие между приемииками; . а - угол между 1налра(Вление.м движени « куроом судна, котары-й в общем случае не известен. В то же .времЯwhere d is the distance between receptions; . a is the angle between 1 dollar (the movement of the vessel, which is not generally known. At the same time
F d/2Tb(2)F d / 2Tb (2)
где TI- коррел ЦИоена щрбмен а задержка , три кото;рой коэффициент автокоррел ции равен З1начен«ю коэффициента взаимной жорреЛЯции прин тых сигналов.where TI is a correlate ZIoena schrbmen and a delay, three of which; a different autocorrelation coefficient is equal to Z1, is the “coefficient of mutual correlation of received signals.
Использу формулы (1) и (2), можно определить iKyipooByro скорость УК и скорость бортового €носа УсUsing formulas (1) and (2), you can determine iKyipooByro the speed of the CC and the speed of the onboard nose € Us
Vo-dVo-d
2г 2g
(3)(3)
v, v,
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762394219A SU640209A1 (en) | 1976-08-02 | 1976-08-02 | Method of measuring ship speed relative to the bottom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762394219A SU640209A1 (en) | 1976-08-02 | 1976-08-02 | Method of measuring ship speed relative to the bottom |
Publications (1)
Publication Number | Publication Date |
---|---|
SU640209A1 true SU640209A1 (en) | 1978-12-30 |
Family
ID=20673370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762394219A SU640209A1 (en) | 1976-08-02 | 1976-08-02 | Method of measuring ship speed relative to the bottom |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU640209A1 (en) |
-
1976
- 1976-08-02 SU SU762394219A patent/SU640209A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE26755T1 (en) | CIRCUIT ARRANGEMENT FOR DETERMINING AND DISPLAYING WHEN THE SPECIFIED MINIMUM DISTANCES BETWEEN A VEHICLE AND AN OBSTACLE ARE NOT BELOW. | |
EP0321717A3 (en) | Ultrasonic speckle velocity measurement method and apparatus | |
GB1393103A (en) | Flow velocity measurement | |
EP0227614A3 (en) | Signal processor for synthetic aperture radars, particularly suitable for parallel computation | |
Love | Target strengths of humpback whales Megaptera novaeangliae | |
SU640209A1 (en) | Method of measuring ship speed relative to the bottom | |
GB1325629A (en) | Signal processor | |
Quazi et al. | Passive localization using time delay estimates with sensor positional errors | |
SU537315A1 (en) | The method for determining the speed of the vessel relative to the bottom | |
JPS5627669A (en) | Device for measuring azimuth | |
JPS6282381A (en) | Sonar device | |
JPS5422898A (en) | Paper detecting system | |
JPS567530A (en) | Suppression system of echo distortion | |
RU2020518C1 (en) | Method for determination of distance to bottom | |
RU92012391A (en) | METHOD FOR DETERMINING A SHIP'S MOVEMENT SPEED WITH RESPECT TO THE BOTTOM | |
SU1840741A1 (en) | Method for measurement of ice layer small thicknesses | |
EP0219339A3 (en) | Acoustic direction finder for use as an active range finder | |
JPS57128870A (en) | Speedometer | |
JPH028226Y2 (en) | ||
JPS5554481A (en) | Bistatic radar system | |
SU1122985A1 (en) | Sea-way indication device | |
JPS56155877A (en) | Distance measurement device by ultrasonic wave | |
RU2062481C1 (en) | Method and device for determination of ship's speed over bottom | |
SU815535A1 (en) | Method of measuring spectrum of pressure turbulent pulsations | |
RU92013595A (en) | METHOD OF DISTANCE MEASUREMENT |