RU2221259C2 - Acoustic echo location station - Google Patents

Acoustic echo location station Download PDF

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Publication number
RU2221259C2
RU2221259C2 RU2002107901/09A RU2002107901A RU2221259C2 RU 2221259 C2 RU2221259 C2 RU 2221259C2 RU 2002107901/09 A RU2002107901/09 A RU 2002107901/09A RU 2002107901 A RU2002107901 A RU 2002107901A RU 2221259 C2 RU2221259 C2 RU 2221259C2
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RU
Russia
Prior art keywords
acoustic
output
input
frequency
phase detector
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RU2002107901/09A
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Russian (ru)
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RU2002107901A (en
Inventor
А.М. Гаврилов
В.Ю. Медведев
А.К. Батрин
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Таганрогский государственный радиотехнический университет
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Priority to RU2002107901/09A priority Critical patent/RU2221259C2/en
Publication of RU2002107901A publication Critical patent/RU2002107901A/en
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Abstract

FIELD: acoustic location systems designed to detect objects in acoustically transparent media, classification of these objects according to their acoustic resistance. SUBSTANCE: acoustic echo location station includes radio pulse generator, synchronizer, indicator, two frequency dividers, adder, commutator, two filters, acoustic converter, two frequency multipliers, two amplifiers-limiters, phase detector and phase inverter. EFFECT: increased authenticity of classification of objects by their acoustic stiffness. 3 dwg

Description

Текст описания в факсимильном виде (см. графическую часть)в Description text in facsimile form (see graphic part) in

Claims (1)

Акустический эхолокатор, содержащий синхронизатор, соединенный с входом запуска индикатора и генератором радиоимпульсов, выход которого соединен с входами первого и второго делителей частоты, выход первого делителя частоты соединен через последовательно соединенные сумматор и коммутатор со входами первого и второго фильтров, коммутатор соединен с акустическим преобразователем, выход первого фильтра через последовательно соединенные первый умножитель частоты и первый усилитель-ограничитель соединен с первым входом фазового детектора, выход второго фильтра через последовательно соединенные второй умножитель частоты и второй усилитель-ограничитель соединен с вторым входом фазового детектора, выход первого фильтра соединен с первым сигнальным входом индикатора, второй сигнальный вход которого соединен с выходом фазового детектора, отличающийся тем, что в него введен фазовращатель, включенный между выходом второго делителя частоты и вторым входом сумматора.An acoustic sonar containing a synchronizer connected to the indicator start input and a radio pulse generator, the output of which is connected to the inputs of the first and second frequency dividers, the output of the first frequency divider is connected through a series-connected adder and switch with the inputs of the first and second filters, the switch is connected to an acoustic transducer, the output of the first filter through a series-connected first frequency multiplier and the first amplifier-limiter is connected to the first input of the phase detector ora, the output of the second filter through the second frequency multiplier and the second amplifier-limiter connected in series to the second input of the phase detector, the output of the first filter is connected to the first signal input of the indicator, the second signal input of which is connected to the output of the phase detector, characterized in that a phase shifter connected between the output of the second frequency divider and the second input of the adder.
RU2002107901/09A 2002-03-28 2002-03-28 Acoustic echo location station RU2221259C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002107901/09A RU2221259C2 (en) 2002-03-28 2002-03-28 Acoustic echo location station

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Application Number Priority Date Filing Date Title
RU2002107901/09A RU2221259C2 (en) 2002-03-28 2002-03-28 Acoustic echo location station

Publications (2)

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RU2002107901A RU2002107901A (en) 2003-09-20
RU2221259C2 true RU2221259C2 (en) 2004-01-10

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RU2002107901/09A RU2221259C2 (en) 2002-03-28 2002-03-28 Acoustic echo location station

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2655711C1 (en) * 2017-06-28 2018-05-29 Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук Acoustic sonar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2655711C1 (en) * 2017-06-28 2018-05-29 Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук Acoustic sonar

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20040329