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SU640209A1 - Method of measuring ship speed relative to the bottom - Google Patents

Method of measuring ship speed relative to the bottom

Info

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
Application number
SU762394219A
Other languages
Russian (ru)
Inventor
Владимир Иванович Воловов
Всеволод Васильевич Краснобородько
Юрий Павлович Лысанов
Владимир Афанасьевич Сечкин
Original Assignee
Предприятие П/Я А-1687
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я А-1687 filed Critical Предприятие П/Я А-1687
Priority to SU762394219A priority Critical patent/SU640209A1/en
Application granted granted Critical
Publication of SU640209A1 publication Critical patent/SU640209A1/en

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  • 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)

Формула изобретени Invention Formula Способ определени  скорости движени  судна от1но.оительно дна, основанный на вертикальнО:М излучении :гар1монических звуковых оигналов «а дно, взаимно-коррел ционной сбра-ботке отраженных сигналов, нрии тых двум  разнесенными но горизонтали нр и ем н и« а.м и, о пр ед ел ен и и -корре ЛЯ|Ц|И о н-н о иThe method of determining the speed of the vessel's movement from the bottom is based on vertical: M radiation: harmonic sound signals “a bottom”, a mutual correlation gathering of reflected signals that are not distributed apart but horizontally. , about pr ed a el en and and - correl la | ts | i o nn o and задержки по аргуме1нту коэффициента автокоррел ции огибающей сигнала одного  з приемников, равного значению -коэффициента взаимной К10р1рел- ции огибающих сигналов с двух Нрием1НИ;Ков, отличающийс  тем, что, с целью определени  курсовой скорости судна, из.мер ют .коррел ционную 1временную задержку, соответствующую максимуму (Коэффициента взаимной коррел ции , и определ ют отнощение половины произведени  этой -временной задержки на рассто ние между приемниками в направлении курса судна к квадрату коррел н-ионной временной задерЖКИ, лри (Которой коэффициент автокоррел ции огибающей сигнала одного ,из приемников ра)вё|Н о;гибающих сигналов двух приемников при нулевом временном сдвиге.delays according to the argument of the autocorrelation coefficient of the signal envelope of one of the receivers, equal to the value of the mutual coefficient K10p1 of the envelope signals from two signals; Kow, characterized in that, corresponding to the maximum (the coefficient of mutual correlation, and the ratio of the half of the product of this time delay to the distance between the receivers in the direction of the ship’s course to the square is determined by the correlating n-ion time delay, l and (whose coefficients autocorrelation envelope of the signal one of the receivers pa) vo | H o; GICNT signals of the two receivers at zero time offset.
SU762394219A 1976-08-02 1976-08-02 Method of measuring ship speed relative to the bottom SU640209A1 (en)

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)

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