DE69516366T2 - Messverfahren und Messvorrichtung - Google Patents

Messverfahren und Messvorrichtung

Info

Publication number
DE69516366T2
DE69516366T2 DE69516366T DE69516366T DE69516366T2 DE 69516366 T2 DE69516366 T2 DE 69516366T2 DE 69516366 T DE69516366 T DE 69516366T DE 69516366 T DE69516366 T DE 69516366T DE 69516366 T2 DE69516366 T2 DE 69516366T2
Authority
DE
Germany
Prior art keywords
measuring
measuring device
measuring method
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69516366T
Other languages
English (en)
Other versions
DE69516366D1 (de
Inventor
Tomonori Kimura
Shuzou Wadaka
Koichiro Misu
Tsutomu Nagatsuka
Mitsuhiro Koike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69516366D1 publication Critical patent/DE69516366D1/de
Publication of DE69516366T2 publication Critical patent/DE69516366T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/42Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • G01N2291/011Velocity or travel time
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • G01N2291/012Phase angle
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02854Length, thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects
DE69516366T 1994-11-18 1995-06-23 Messverfahren und Messvorrichtung Expired - Lifetime DE69516366T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28498394 1994-11-18
JP07038392A JP3130223B2 (ja) 1994-11-18 1995-02-27 検出方法及び検出装置

Publications (2)

Publication Number Publication Date
DE69516366D1 DE69516366D1 (de) 2000-05-25
DE69516366T2 true DE69516366T2 (de) 2000-09-21

Family

ID=26377637

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516366T Expired - Lifetime DE69516366T2 (de) 1994-11-18 1995-06-23 Messverfahren und Messvorrichtung

Country Status (4)

Country Link
US (1) US5942688A (de)
EP (1) EP0713090B1 (de)
JP (1) JP3130223B2 (de)
DE (1) DE69516366T2 (de)

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DE10306023B4 (de) * 2003-02-13 2007-12-06 Siemens Ag Verfahren zum Nachweis einer Berechtigung zum Ver- und Entriegeln und/oder der Benutzung eines Objektes sowie Sicherheitsvorrichtung

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DE10358857A1 (de) * 2003-12-16 2005-07-21 Robert Bosch Gmbh Abstandsmessvorrichtung zur Steuerung
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JP4270299B2 (ja) * 2006-03-28 2009-05-27 オムロン株式会社 Rfidタグ距離測定装置およびrfidタグ距離測定システム
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RU2459200C1 (ru) * 2011-03-03 2012-08-20 Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации Ультразвуковой способ измерения удлинения стержневой арматуры железобетонной конструкции
CN103697839A (zh) * 2013-12-20 2014-04-02 苏州市职业大学 一种质量测量仪
CN105158332A (zh) * 2015-08-24 2015-12-16 河北吉信同普电子科技开发有限公司 超声波探测器
US10627490B2 (en) 2016-01-31 2020-04-21 Velodyne Lidar, Inc. Multiple pulse, LIDAR based 3-D imaging
CN109154661A (zh) 2016-03-19 2019-01-04 威力登激光雷达有限公司 用于基于lidar的3-d成像的集成照射和检测
WO2017210418A1 (en) 2016-06-01 2017-12-07 Velodyne Lidar, Inc. Multiple pixel scanning lidar
EP3593166B1 (de) 2017-03-31 2024-04-17 Velodyne Lidar USA, Inc. Integrierte lidar-beleuchtungsleistungssteuerung
WO2018208843A1 (en) 2017-05-08 2018-11-15 Velodyne Lidar, Inc. Lidar data acquisition and control
US11294041B2 (en) 2017-12-08 2022-04-05 Velodyne Lidar Usa, Inc. Systems and methods for improving detection of a return signal in a light ranging and detection system
JP6716621B2 (ja) * 2018-03-07 2020-07-01 セコム株式会社 物体判定装置及びセンサ装置
JP6716620B2 (ja) * 2018-03-07 2020-07-01 セコム株式会社 センサ装置及び変位判定システム
US10712434B2 (en) 2018-09-18 2020-07-14 Velodyne Lidar, Inc. Multi-channel LIDAR illumination driver
US11082010B2 (en) 2018-11-06 2021-08-03 Velodyne Lidar Usa, Inc. Systems and methods for TIA base current detection and compensation
US11885958B2 (en) 2019-01-07 2024-01-30 Velodyne Lidar Usa, Inc. Systems and methods for a dual axis resonant scanning mirror
US11239985B2 (en) * 2019-04-16 2022-02-01 Cisco Technology, Inc. Echo cancellation in multiple port full duplex (FDX) nodes and amplifiers
US10613203B1 (en) 2019-07-01 2020-04-07 Velodyne Lidar, Inc. Interference mitigation for light detection and ranging
US11072125B1 (en) * 2020-07-23 2021-07-27 Inkbit, LLC Reflective coating for material calibration
CN111948616B (zh) * 2020-07-28 2024-02-06 中国人民解放军63921部队 一种相控阵雷达目标rcs测量精度鉴定方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10306023B4 (de) * 2003-02-13 2007-12-06 Siemens Ag Verfahren zum Nachweis einer Berechtigung zum Ver- und Entriegeln und/oder der Benutzung eines Objektes sowie Sicherheitsvorrichtung

Also Published As

Publication number Publication date
JP3130223B2 (ja) 2001-01-31
EP0713090B1 (de) 2000-04-19
DE69516366D1 (de) 2000-05-25
JPH08194058A (ja) 1996-07-30
US5942688A (en) 1999-08-24
EP0713090A1 (de) 1996-05-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)