CN1227540C - 使用低功率雷达层级发射机测量过程产品介电常数 - Google Patents

使用低功率雷达层级发射机测量过程产品介电常数 Download PDF

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Publication number
CN1227540C
CN1227540C CNB008000115A CN00800011A CN1227540C CN 1227540 C CN1227540 C CN 1227540C CN B008000115 A CNB008000115 A CN B008000115A CN 00800011 A CN00800011 A CN 00800011A CN 1227540 C CN1227540 C CN 1227540C
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China
Prior art keywords
product
pulse
dielectric constant
transmitter
terminal
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Expired - Fee Related
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CNB008000115A
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English (en)
Chinese (zh)
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CN1293761A (zh
Inventor
库尔特·C·迪登
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Rosemount Inc
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Rosemount Inc
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Publication of CN1293761A publication Critical patent/CN1293761A/zh
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Publication of CN1227540C publication Critical patent/CN1227540C/zh
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    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Radar Systems Or Details Thereof (AREA)
CNB008000115A 1999-01-21 2000-01-18 使用低功率雷达层级发射机测量过程产品介电常数 Expired - Fee Related CN1227540C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/235,114 US6477474B2 (en) 1999-01-21 1999-01-21 Measurement of process product dielectric constant using a low power radar level transmitter
US09/235,114 1999-01-21

Publications (2)

Publication Number Publication Date
CN1293761A CN1293761A (zh) 2001-05-02
CN1227540C true CN1227540C (zh) 2005-11-16

Family

ID=22884157

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008000115A Expired - Fee Related CN1227540C (zh) 1999-01-21 2000-01-18 使用低功率雷达层级发射机测量过程产品介电常数

Country Status (10)

Country Link
US (1) US6477474B2 (https=)
EP (1) EP1066538B1 (https=)
JP (1) JP4282240B2 (https=)
CN (1) CN1227540C (https=)
AU (1) AU3471300A (https=)
BR (1) BR0004310A (https=)
CA (1) CA2323556A1 (https=)
DE (1) DE60027644T2 (https=)
RU (1) RU2000126484A (https=)
WO (1) WO2000043806A1 (https=)

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US20120256640A1 (en) * 2011-04-07 2012-10-11 Boris Leonid Sheikman Apparatus and methods for use in determining the presence of materials entrained within a medium
EP2527805B1 (de) 2011-05-27 2022-11-30 VEGA Grieshaber KG Auswertevorrichtung und Verfahren zum Bestimmen einer Kenngröße für die Lage einer Grenzfläche in einem Behälter
EP2527802B1 (de) 2011-05-27 2019-12-18 VEGA Grieshaber KG Vorrichtung und Verfahren zur Ermittlung von Medien- und Behältereigenschaften
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ES2742830T3 (es) 2016-09-20 2020-02-17 Sp Technical Res Institute Of Sweden Método y sistema para medir el contenido energético del gas
DE102017108702A1 (de) * 2017-04-24 2018-10-25 Krohne S. A. S. Verfahren zur Bestimmung des Füllstandes und Füllstandmessgerät
CN109490342B (zh) * 2018-11-13 2020-09-11 中国科学院沈阳自动化研究所 一种基于导波雷达液位计评估液体介电常数的方法
CN113552421B (zh) * 2021-09-23 2021-12-31 深圳飞骧科技股份有限公司 基于脉冲技术的宽带介电常数测量系统及方法
CN118829852A (zh) 2022-06-24 2024-10-22 罗斯蒙特公司 带有护套的卫生级导波液位测量
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Also Published As

Publication number Publication date
US6477474B2 (en) 2002-11-05
CA2323556A1 (en) 2000-07-27
DE60027644D1 (de) 2006-06-08
AU3471300A (en) 2000-08-07
WO2000043806A1 (en) 2000-07-27
EP1066538A1 (en) 2001-01-10
BR0004310A (pt) 2000-11-21
JP4282240B2 (ja) 2009-06-17
DE60027644T2 (de) 2007-04-12
EP1066538B1 (en) 2006-05-03
RU2000126484A (ru) 2002-09-10
US20020143500A1 (en) 2002-10-03
JP2002535660A (ja) 2002-10-22
CN1293761A (zh) 2001-05-02

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Granted publication date: 20051116

Termination date: 20190118