JPS60181617A - 管弾性壁及び移動流体からのエコー分離方法及び装置 - Google Patents

管弾性壁及び移動流体からのエコー分離方法及び装置

Info

Publication number
JPS60181617A
JPS60181617A JP60014147A JP1414785A JPS60181617A JP S60181617 A JPS60181617 A JP S60181617A JP 60014147 A JP60014147 A JP 60014147A JP 1414785 A JP1414785 A JP 1414785A JP S60181617 A JPS60181617 A JP S60181617A
Authority
JP
Japan
Prior art keywords
filter
doppler
wall
echoes
signal
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.)
Pending
Application number
JP60014147A
Other languages
English (en)
Japanese (ja)
Inventor
ジヤン　ジヤツク　マイスタ
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.)
Novatec SA
Original Assignee
Novatec SA
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 Novatec SA filed Critical Novatec SA
Publication of JPS60181617A publication Critical patent/JPS60181617A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
    • G01P5/244—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect involving pulsed waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Volume Flow (AREA)
JP60014147A 1984-01-27 1985-01-26 管弾性壁及び移動流体からのエコー分離方法及び装置 Pending JPS60181617A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH393/84 1984-01-27
CH39384A CH657208B (2) 1984-01-27 1984-01-27

Publications (1)

Publication Number Publication Date
JPS60181617A true JPS60181617A (ja) 1985-09-17

Family

ID=4185995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60014147A Pending JPS60181617A (ja) 1984-01-27 1985-01-26 管弾性壁及び移動流体からのエコー分離方法及び装置

Country Status (3)

Country Link
EP (1) EP0165369A1 (2)
JP (1) JPS60181617A (2)
CH (1) CH657208B (2)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324258A (en) * 1980-06-24 1982-04-13 Werner Huebscher Ultrasonic doppler flowmeters

Also Published As

Publication number Publication date
CH657208B (2) 1986-08-15
EP0165369A1 (fr) 1985-12-27

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