FI951139A - Förfarande och anordning för att mäta fasförskjutning - Google Patents

Förfarande och anordning för att mäta fasförskjutning Download PDF

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Publication number
FI951139A
FI951139A FI951139A FI951139A FI951139A FI 951139 A FI951139 A FI 951139A FI 951139 A FI951139 A FI 951139A FI 951139 A FI951139 A FI 951139A FI 951139 A FI951139 A FI 951139A
Authority
FI
Finland
Prior art keywords
measuring
phase difference
phase
difference
Prior art date
Application number
FI951139A
Other languages
English (en)
Finnish (fi)
Other versions
FI951139A0 (sv
Inventor
Seiji Yamaguchi
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of FI951139A0 publication Critical patent/FI951139A0/sv
Publication of FI951139A publication Critical patent/FI951139A/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/288—Coherent receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S15/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Phase Differences (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI951139A 1993-07-12 1995-03-10 Förfarande och anordning för att mäta fasförskjutning FI951139A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17157693A JP3160428B2 (ja) 1993-07-12 1993-07-12 濃度計
PCT/JP1994/001138 WO1995002815A1 (fr) 1993-07-12 1994-07-12 Procede et dispositif de mesure des dephasages

Publications (2)

Publication Number Publication Date
FI951139A0 FI951139A0 (sv) 1995-03-10
FI951139A true FI951139A (sv) 1995-05-08

Family

ID=15925716

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951139A FI951139A (sv) 1993-07-12 1995-03-10 Förfarande och anordning för att mäta fasförskjutning

Country Status (10)

Country Link
US (3) US5610527A (sv)
EP (1) EP0664447A4 (sv)
JP (1) JP3160428B2 (sv)
KR (1) KR0157078B1 (sv)
CN (1) CN1089900C (sv)
CA (1) CA2144430C (sv)
FI (1) FI951139A (sv)
NO (1) NO316941B1 (sv)
TW (1) TW242174B (sv)
WO (1) WO1995002815A1 (sv)

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KR0137576B1 (ko) * 1994-12-07 1998-06-15 양승택 가변 임피던스 전자파 발생장치
US5741979A (en) * 1995-11-09 1998-04-21 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Adminstrator Particle velocity measuring system
US6122602A (en) * 1997-05-02 2000-09-19 Endress + Hauser Gmbh + Co. Method and arrangement for electromagnetic wave distance measurement by the pulse transit time method
JP3413073B2 (ja) 1997-09-11 2003-06-03 東芝Ｉｔコントロールシステム株式会社 マイクロ波式濃度測定装置
JPH11183404A (ja) * 1997-12-22 1999-07-09 Toshiba Corp 濃度計
US6392421B1 (en) 1998-06-11 2002-05-21 Em-Tech Llc Spectral EM frequency metallic thickness measurement using metallic transparencies
US6657440B1 (en) 1998-06-11 2003-12-02 Em-Tech Sensors Llc Propagation of waves through materials
JP2000111499A (ja) * 1998-10-02 2000-04-21 Toshiba Fa Syst Eng Corp マイクロ波濃度測定装置
WO2000046583A1 (en) * 1999-02-04 2000-08-10 Bechtel Bwxt Idaho, Llc Ultrasonic fluid quality sensor system
US6628118B1 (en) 1999-11-20 2003-09-30 Em-Tech Sensors Llc Method and apparatus for control of magnetic flux direction and concentration
US6597186B2 (en) 1999-12-10 2003-07-22 Em-Tech Sensors Llc Through tank level gauging
US6351245B1 (en) 1999-12-10 2002-02-26 Em-Tech Llc Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiation
US6744263B2 (en) 1999-12-10 2004-06-01 Em-Tech Sensors Llc Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materials
AU2005211570B2 (en) * 2000-02-29 2007-01-04 Gen-Probe Incorporated Fluid dispense and fluid surface verification system and method
EP2230521A3 (en) * 2000-02-29 2013-11-13 Gen-Probe Incorporated Fluid dispense and liquid surface verification system and method
DE10036567A1 (de) * 2000-07-27 2002-02-14 Sonem Gmbh Vorrichtung zur Feststellung der Änderung der Dichte eines Mediums
US6553838B2 (en) 2000-08-25 2003-04-29 Em-Tech Llc Detection of anomalies on railroad tracks
AU2001287070A1 (en) 2000-09-02 2002-03-22 Em-Tech Llc A logging tool for measurement of resistivity through casing using metallic transparences and magnetic lensing
US7019518B2 (en) 2000-10-16 2006-03-28 Amini Bijan K Non-contacting apparatus and method for measurement of ferromagnetic metal thickness
US6597177B1 (en) 2000-11-20 2003-07-22 Em-Tech Sensors Llc Through casing resistivity measurement in permanently installed downhole production environment
US6731908B2 (en) 2001-01-16 2004-05-04 Bluesoft, Inc. Distance measurement using half-duplex RF techniques
US6898415B2 (en) 2001-01-16 2005-05-24 Aeroscout, Inc. System and method for reducing multipath distortion in wireless distance measurement systems
US6859761B2 (en) 2001-01-16 2005-02-22 Bluesoft Ltd. Accurate distance measurement using RF techniques
US6677763B2 (en) * 2001-05-23 2004-01-13 D. J. Geisel Technology, Inc. Material segregation, density, and moisture analyzing apparatus and method
US20040194541A1 (en) * 2002-06-10 2004-10-07 The Procter & Gamble Company High-Q LC circuit moisture sensor
US6854322B2 (en) * 2002-06-10 2005-02-15 The Procter & Gamble Company Directional coupler sensor
EP1576385A2 (en) * 2002-11-26 2005-09-21 James F. Munro An apparatus for high accuracy distance and velocity measurement and methods thereof
JP4443957B2 (ja) * 2003-04-28 2010-03-31 株式会社根本杏林堂 漏出検出装置および方法
BRPI0510256A (pt) * 2004-04-26 2007-10-23 Procter & Gamble métodos para avaliação de caracterìsticas de substratos fibrosos e para tratamento de substratos fibrosos
US7809430B2 (en) * 2004-09-14 2010-10-05 Nemoto Kyorindo Co., Ltd. Leak detecting apparatus
PL213309B1 (pl) 2006-02-09 2013-02-28 Polska Akademia Nauk Inst Biochemii I Biofizyki Sposób hydrolizy wiazania peptydowego
JP5221527B2 (ja) 2006-06-30 2013-06-26 ザ プロクター アンド ギャンブル カンパニー マイクロストリップ方向性結合器のオーバレイ（毛髪様）の湿分を測定する装置
WO2009021755A2 (de) * 2007-08-16 2009-02-19 Astyx Gmbh Doppelkolbenstange
US8149093B2 (en) * 2008-06-06 2012-04-03 Lyngsoe Systems System and method for wireless communications
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US8446254B2 (en) 2008-11-03 2013-05-21 Thingmagic, Inc. Methods and apparatuses for RFID tag range determination
CN101936769A (zh) * 2010-07-05 2011-01-05 俞富林 超声波传感器相位差测量仪
CN102262128A (zh) * 2011-06-13 2011-11-30 赵延宋 一种二甲基甲酰胺溶液浓度在线测控仪
US9285468B2 (en) * 2012-07-12 2016-03-15 GM Global Technology Operations LLC Extended angular resolution in sensor arrays using secondary echoes
DE102012015462A1 (de) 2012-08-07 2014-02-13 Reifenhäuser GmbH & Co. KG Maschinenfabrik Blasfolienanlage, Verfahren zum Herstellen einer Blasfolienbahn und damit hergestellte Folie
DE102014015127A1 (de) * 2014-10-14 2016-04-14 Sonovum AG Phasendetektionsverfahren basierend auf einer Mehrzahl aufeinanderfolgender Werte eines Empfangssignals
FI126030B (sv) * 2014-11-10 2016-05-31 Senfit Oy Anordning och förfarande för mätning av flytande ämne samt arrangemang och förfarande för styrning av sedimenthalt hos flytande ämne
CN105203562A (zh) * 2015-08-31 2015-12-30 中国舰船研究设计中心 一种频选材料插入相位延迟测试系统及其测试方法
CN106970357B (zh) * 2017-04-26 2019-07-12 清华大学 高精度的实时超声波定位追踪方法及系统
CN107238609A (zh) * 2017-05-18 2017-10-10 孟敏 基于微波的结冰结霜检测装置及方法
CN112180358B (zh) * 2020-09-07 2023-11-14 珠海格力电器股份有限公司 判断电机运行状态的方法及系统

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Also Published As

Publication number Publication date
WO1995002815A1 (fr) 1995-01-26
JP3160428B2 (ja) 2001-04-25
CN1089900C (zh) 2002-08-28
CA2144430A1 (en) 1995-01-26
JPH0727720A (ja) 1995-01-31
CA2144430C (en) 1999-06-29
NO950903L (no) 1995-05-11
FI951139A0 (sv) 1995-03-10
NO316941B1 (no) 2004-07-05
US5969254A (en) 1999-10-19
TW242174B (sv) 1995-03-01
EP0664447A1 (en) 1995-07-26
CN1113320A (zh) 1995-12-13
NO950903D0 (no) 1995-03-09
KR0157078B1 (ko) 1999-03-30
US5767409A (en) 1998-06-16
EP0664447A4 (en) 1995-12-06
KR950003819A (ko) 1995-02-17
US5610527A (en) 1997-03-11

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