SG11201901644TA - Optical detection of vibrations - Google Patents

Optical detection of vibrations

Info

Publication number
SG11201901644TA
SG11201901644TA SG11201901644TA SG11201901644TA SG11201901644TA SG 11201901644T A SG11201901644T A SG 11201901644TA SG 11201901644T A SG11201901644T A SG 11201901644TA SG 11201901644T A SG11201901644T A SG 11201901644TA SG 11201901644T A SG11201901644T A SG 11201901644TA
Authority
SG
Singapore
Prior art keywords
scene
international
vibrations
hagavish
netanya
Prior art date
Application number
SG11201901644TA
Other languages
English (en)
Inventor
Ilia Leizerson
Dan Nussinson
Original Assignee
Elbit Systems Land & C4I Ltd
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
Priority claimed from IL249474A external-priority patent/IL249474B/en
Application filed by Elbit Systems Land & C4I Ltd filed Critical Elbit Systems Land & C4I Ltd
Publication of SG11201901644TA publication Critical patent/SG11201901644TA/en

Links

Classifications

    • 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
    • G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
    • G01B11/162—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means by speckle- or shearing interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
    • G01B11/164—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means by holographic interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G01B9/02084—Processing in the Fourier or frequency domain when not imaged in the frequency domain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02094—Speckle interferometers, i.e. for detecting changes in speckle pattern

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SG11201901644TA 2016-08-29 2017-08-28 Optical detection of vibrations SG11201901644TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL24754116 2016-08-29
IL249474A IL249474B (en) 2016-12-08 2016-12-08 Optical detection of vibrations
PCT/IL2017/050957 WO2018042424A1 (fr) 2016-08-29 2017-08-28 Détection optique de vibrations

Publications (1)

Publication Number Publication Date
SG11201901644TA true SG11201901644TA (en) 2019-03-28

Family

ID=61300246

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201901644TA SG11201901644TA (en) 2016-08-29 2017-08-28 Optical detection of vibrations

Country Status (3)

Country Link
US (1) US11371878B2 (fr)
SG (1) SG11201901644TA (fr)
WO (1) WO2018042424A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL248274B (en) * 2016-10-09 2018-06-28 Lev Aner Optical remote sensing of vibrations
WO2020110197A1 (fr) * 2018-11-27 2020-06-04 株式会社島津製作所 Appareil de recherche de défauts et procédé de recherche de défauts
IL273248B2 (en) * 2019-03-19 2023-05-01 Continuse Biometrics Ltd System and method for optical monitoring based on symmetry conditions of the optical field
JP2022532014A (ja) 2019-04-25 2022-07-13 プロフェシー エスエー 振動のイメージングおよび感知のためのシステムおよび方法
CN110595749B (zh) * 2019-04-26 2021-08-20 深圳市豪视智能科技有限公司 电风扇振动故障检测方法及装置
CN110672342B (zh) * 2019-04-26 2021-10-12 深圳市豪视智能科技有限公司 洗衣机振动故障检测方法及装置
CN110132399A (zh) * 2019-05-30 2019-08-16 常州瑞捷生物科技有限公司 超声刀刀头振幅测试方法
TWI756811B (zh) * 2019-09-03 2022-03-01 日商新川股份有限公司 振動檢測系統
US11391563B2 (en) * 2020-02-06 2022-07-19 Purdue Research Foundation Ultra-sensitive speckle analyzing system
CN114659737B (zh) * 2020-12-22 2024-06-18 浙江舜创智能光学科技有限公司 模态测量方法及其系统和电子设备
CN114518161B (zh) * 2022-01-11 2023-02-24 武汉理工大学 基于计算机视觉的圆柱简支梁端部横向振动的测量方法

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JP2641220B2 (ja) 1987-10-28 1997-08-13 興和株式会社 速度分布測定装置
US5724137A (en) 1996-06-27 1998-03-03 Tropel Corporation Fringe pattern discriminator for interferometer using diffraction gratings
WO1998038476A1 (fr) 1997-02-26 1998-09-03 Lockheed Martin Idaho Technologies Company Procede et dispositif permettant de mesurer les images de vibrations optiques photorefractives
GB0209053D0 (en) 2002-04-22 2002-12-18 Bae Systems Plc Method and apparatus for laser vibrometry
US7477571B2 (en) 2003-04-03 2009-01-13 Sri International Method for detecting vibrations in a biological organism using real-time vibration imaging
FR2860300B1 (fr) 2003-09-25 2006-01-27 Formulaction Procede et dispositif d'analyse du mouvement dans un milieu diffusant.
DE102008017119A1 (de) * 2008-04-02 2009-10-08 Polytec Gmbh Vibrometer und Verfahren zur optischen Vermessung eines Objekts
EP2667778B1 (fr) 2011-01-28 2021-04-28 Bar Ilan University Procédé et système de surveillance non invasive de paramètres biologiques et biochimiques d'un individu
US8772039B2 (en) 2011-05-26 2014-07-08 The General Hospital Corporation Optical thromboelastography system and method for evaluation of blood coagulation metrics
US20150157224A1 (en) * 2013-12-05 2015-06-11 Samsung Electronics Co., Ltd. System and Method for Remotely Identifying and Characterizing Life Physiological Signs
JP2016040541A (ja) * 2014-08-13 2016-03-24 ソニー株式会社 信号処理装置、信号処理方法、並びにプログラム
WO2016103271A2 (fr) 2014-12-27 2016-06-30 Guardian Optical Technologies Ltd. Système et procédé de détection de vibrations de surface
CN104819769B (zh) 2015-04-30 2019-05-14 杭州电子科技大学 一种基于偏振奇点光束激光散斑的振动测量装置
CN104776907A (zh) 2015-04-30 2015-07-15 杭州电子科技大学 一种基于多点激光散斑极值跟踪的振动检测方法

Also Published As

Publication number Publication date
WO2018042424A1 (fr) 2018-03-08
US11371878B2 (en) 2022-06-28
US20190212187A1 (en) 2019-07-11

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