KR0157078B1 - 위상차측정장치 및 방법 - Google Patents

위상차측정장치 및 방법 Download PDF

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Publication number
KR0157078B1
KR0157078B1 KR1019940016726A KR19940016726A KR0157078B1 KR 0157078 B1 KR0157078 B1 KR 0157078B1 KR 1019940016726 A KR1019940016726 A KR 1019940016726A KR 19940016726 A KR19940016726 A KR 19940016726A KR 0157078 B1 KR0157078 B1 KR 0157078B1
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KR
South Korea
Prior art keywords
phase difference
range
apparent
signal
wave
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
KR1019940016726A
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English (en)
Korean (ko)
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KR950003819A (ko
Inventor
세이지 야마구찌
Original Assignee
사또 후미오
가부시끼가이샤도시바
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Publication of KR950003819A publication Critical patent/KR950003819A/ko
Application granted granted Critical
Publication of KR0157078B1 publication Critical patent/KR0157078B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Phase Differences (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
KR1019940016726A 1993-07-12 1994-07-12 위상차측정장치 및 방법 Expired - Lifetime KR0157078B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17157693A JP3160428B2 (ja) 1993-07-12 1993-07-12 濃度計
JP93-171576 1993-07-12

Publications (2)

Publication Number Publication Date
KR950003819A KR950003819A (ko) 1995-02-17
KR0157078B1 true KR0157078B1 (ko) 1999-03-30

Family

ID=15925716

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940016726A Expired - Lifetime KR0157078B1 (ko) 1993-07-12 1994-07-12 위상차측정장치 및 방법

Country Status (10)

Country Link
US (3) US5610527A (enExample)
EP (1) EP0664447A4 (enExample)
JP (1) JP3160428B2 (enExample)
KR (1) KR0157078B1 (enExample)
CN (1) CN1089900C (enExample)
CA (1) CA2144430C (enExample)
FI (1) FI951139A7 (enExample)
NO (1) NO316941B1 (enExample)
TW (1) TW242174B (enExample)
WO (1) WO1995002815A1 (enExample)

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KR0137576B1 (ko) * 1994-12-07 1998-06-15 양승택 가변 임피던스 전자파 발생장치
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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
US6460402B1 (en) * 1999-02-04 2002-10-08 Bechtel Bwtx 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
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
US6597186B2 (en) 1999-12-10 2003-07-22 Em-Tech Sensors Llc Through tank level gauging
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
CA2399181C (en) 2000-02-29 2011-02-22 Gen-Probe Incorporated Fluid dispense and liquid surface verification system and method
AU2005211566B2 (en) * 2000-02-29 2007-01-04 Gen-Probe Incorporated Fluid dispense and fluid surface verification system and method
DE10036567A1 (de) * 2000-07-27 2002-02-14 Sonem Gmbh Vorrichtung zur Feststellung der Änderung der Dichte eines Mediums
AU2001288433A1 (en) 2000-08-25 2002-03-04 Em-Tech Llc Detection of anomalies on railroad tracks
US6630831B2 (en) 2000-09-02 2003-10-07 Em-Tech Sensors Llc Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lenses
WO2002033394A2 (en) 2000-10-16 2002-04-25 Em-Tech Llc A technique for measuring the thickness of a ferromagnetic metal using permeability signatures
US6597177B1 (en) 2000-11-20 2003-07-22 Em-Tech Sensors Llc Through casing resistivity measurement in permanently installed downhole production environment
US6859761B2 (en) 2001-01-16 2005-02-22 Bluesoft Ltd. Accurate distance measurement using RF techniques
US6898415B2 (en) 2001-01-16 2005-05-24 Aeroscout, Inc. System and method for reducing multipath distortion in wireless distance measurement systems
US6731908B2 (en) 2001-01-16 2004-05-04 Bluesoft, Inc. Distance measurement using half-duplex RF techniques
US6677763B2 (en) * 2001-05-23 2004-01-13 D. J. Geisel Technology, Inc. Material segregation, density, and moisture analyzing apparatus and method
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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
CA2562001C (en) * 2004-04-26 2013-04-16 The Procter & Gamble Company Methods of assessing characteristics of fibrous substrates and treating fibrous substrates
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
AU2007269726B2 (en) 2006-06-30 2011-10-20 The Procter & Gamble Company Device for measuring moisture in overlays (like hair) of a microstrip directional coupler
EP2181310B1 (de) * 2007-08-16 2017-03-15 Astyx GmbH Doppelkolbenstange
US8149093B2 (en) * 2008-06-06 2012-04-03 Lyngsoe Systems System and method for wireless communications
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US8279112B2 (en) * 2008-11-03 2012-10-02 Trimble Navigation Limited 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
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DE102014015127A1 (de) * 2014-10-14 2016-04-14 Sonovum AG Phasendetektionsverfahren basierend auf einer Mehrzahl aufeinanderfolgender Werte eines Empfangssignals
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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
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Also Published As

Publication number Publication date
NO950903D0 (no) 1995-03-09
US5610527A (en) 1997-03-11
JP3160428B2 (ja) 2001-04-25
EP0664447A1 (en) 1995-07-26
NO316941B1 (no) 2004-07-05
CN1089900C (zh) 2002-08-28
US5767409A (en) 1998-06-16
EP0664447A4 (en) 1995-12-06
CA2144430C (en) 1999-06-29
NO950903L (no) 1995-05-11
KR950003819A (ko) 1995-02-17
WO1995002815A1 (en) 1995-01-26
JPH0727720A (ja) 1995-01-31
US5969254A (en) 1999-10-19
CA2144430A1 (en) 1995-01-26
FI951139A7 (fi) 1995-05-08
CN1113320A (zh) 1995-12-13
FI951139A0 (fi) 1995-03-10
TW242174B (enExample) 1995-03-01

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