RU2016113032A - METHOD FOR REMOTE DETERMINATION OF VIBRATION AMPLITUDE - Google Patents

METHOD FOR REMOTE DETERMINATION OF VIBRATION AMPLITUDE Download PDF

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Publication number
RU2016113032A
RU2016113032A RU2016113032A RU2016113032A RU2016113032A RU 2016113032 A RU2016113032 A RU 2016113032A RU 2016113032 A RU2016113032 A RU 2016113032A RU 2016113032 A RU2016113032 A RU 2016113032A RU 2016113032 A RU2016113032 A RU 2016113032A
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RU
Russia
Prior art keywords
amplitudes
harmonics
vibration amplitude
remote determination
ratio
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RU2016113032A
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Russian (ru)
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RU2642517C2 (en
Inventor
Александр Сергеевич Запевалов
Александр Николаевич Пинчук
Original Assignee
Федеральное государственное бюджетное учреждение науки "Морской гидрофизический институт РАН"
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Priority to RU2016113032A priority Critical patent/RU2642517C2/en
Publication of RU2016113032A publication Critical patent/RU2016113032A/en
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Publication of RU2642517C2 publication Critical patent/RU2642517C2/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Claims (1)

Способ дистанционного определения амплитуды вибрации, заключающийся в том, что поверхность облучают когерентным источником излучения, принимают отраженный сигнал, измеряют частоту вибрации, измеряют амплитуды первой и второй гармоник отраженного сигнала и с учетом полученных значений рассчитывают амплитуду вибрации, отличающийся тем, что дополнительно измеряют амплитуды третьей и четвертой гармоник отраженного сигнала, оценивают значения амплитуд всех четырех гармоник и по результатам этой оценки определяют или отношение амплитуд нечетных гармоник, или отношение амплитуд четных гармоник, и по этому отношению амплитуд выбранных гармоник вычисляют амплитуду вибрации.A method for remote determination of vibration amplitude, namely, that the surface is irradiated with a coherent radiation source, a reflected signal is received, the vibration frequency is measured, the amplitudes of the first and second harmonics of the reflected signal are measured, and the vibration amplitude is calculated taking into account the obtained values, characterized in that the amplitudes of the third are additionally measured and the fourth harmonics of the reflected signal, the amplitudes of all four harmonics are estimated, and the ratio of amplitudes is determined from the results of this assessment the odd harmonics, or the ratio of the amplitudes of the even harmonics, and from this ratio of the amplitudes of the selected harmonics, the vibration amplitude is calculated.
RU2016113032A 2016-04-05 2016-04-05 Method for remotely determining vibration amplitude RU2642517C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016113032A RU2642517C2 (en) 2016-04-05 2016-04-05 Method for remotely determining vibration amplitude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016113032A RU2642517C2 (en) 2016-04-05 2016-04-05 Method for remotely determining vibration amplitude

Publications (2)

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RU2016113032A true RU2016113032A (en) 2017-10-06
RU2642517C2 RU2642517C2 (en) 2018-01-25

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RU2016113032A RU2642517C2 (en) 2016-04-05 2016-04-05 Method for remotely determining vibration amplitude

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RU (1) RU2642517C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2710098C1 (en) * 2019-02-21 2019-12-24 Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Морской гидрофизический институт РАН" (ФГБУН ФИЦ МГИ) Method for remote determination of vibration amplitude

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2300085C1 (en) * 2005-11-09 2007-05-27 ГОУ ВПО "Саратовский государственный университет им. Н.Г. Чернышевского" Mode of definition of the amplitude of vibration on two harmonies of the spectrum of an autodyne signal
US7848896B2 (en) * 2007-05-31 2010-12-07 University Of Florida Research Foundation, Inc. Non-contact measurement system for accurate measurement of frequency and amplitude of mechanical vibration
WO2013082620A1 (en) * 2011-12-01 2013-06-06 University Of Florida Research Foundation, Inc. Wavelength division sensing rf vibrometer for accurate measurement of complex vibrations
RU2520945C1 (en) * 2013-02-01 2014-06-27 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Профессионального Образования "Саратовский Государственный Университет Имени Н.Г. Чернышевского" Method of determining amplitude of nanovibrations from spectrum of frequency-modulated semiconductor laser autodyne

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RU2642517C2 (en) 2018-01-25

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