JP5512007B1 - 超音波流量計ｄｆｔ相互相関法を用いた検波方式 - Google Patents

超音波流量計ｄｆｔ相互相関法を用いた検波方式 Download PDF

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JP5512007B1
JP5512007B1 JP2013052875A JP2013052875A JP5512007B1 JP 5512007 B1 JP5512007 B1 JP 5512007B1 JP 2013052875 A JP2013052875 A JP 2013052875A JP 2013052875 A JP2013052875 A JP 2013052875A JP 5512007 B1 JP5512007 B1 JP 5512007B1
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signal
fourier transform
ultrasonic
timing
inverse fourier
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JP2014178232A (ja
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金建明
ホン フンビン
李基輔
浩一 花村
晃好 勝見
星川　　賢
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株式会社又進
株式会社ソニック
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Priority to KR1020130031671A priority patent/KR101330032B1/ko
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    • 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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP2013052875A 2013-03-15 2013-03-15 超音波流量計ｄｆｔ相互相関法を用いた検波方式 Active JP5512007B1 (ja)

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JP2013052875A JP5512007B1 (ja) 2013-03-15 2013-03-15 超音波流量計ｄｆｔ相互相関法を用いた検波方式
KR1020130031671A KR101330032B1 (ko) 2013-03-15 2013-03-25 Dft 상호 상관법을 이용한 초음파 유량계

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JP2013052875A JP5512007B1 (ja) 2013-03-15 2013-03-15 超音波流量計ｄｆｔ相互相関法を用いた検波方式

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JP5512007B1 true JP5512007B1 (ja) 2014-06-04
JP2014178232A JP2014178232A (ja) 2014-09-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112414481A (zh) * 2020-10-16 2021-02-26 成都皓超科技有限公司 超声波燃气表超声波模块优化方法及其结构
CN115824331A (zh) * 2023-02-22 2023-03-21 青岛鼎信通讯科技有限公司 一种适用于超声水表的低功耗测量方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101764870B1 (ko) 2015-09-23 2017-08-04 주식회사 에스앤씨 초음파 유량계의 신호처리시스템

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011180077A (ja) * 2010-03-03 2011-09-15 Yamatake Corp 演算装置、及び演算装置を備えた流量計

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7117104B2 (en) * 2004-06-28 2006-10-03 Celerity, Inc. Ultrasonic liquid flow controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011180077A (ja) * 2010-03-03 2011-09-15 Yamatake Corp 演算装置、及び演算装置を備えた流量計

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112414481A (zh) * 2020-10-16 2021-02-26 成都皓超科技有限公司 超声波燃气表超声波模块优化方法及其结构
CN115824331A (zh) * 2023-02-22 2023-03-21 青岛鼎信通讯科技有限公司 一种适用于超声水表的低功耗测量方法

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KR101330032B1 (ko) 2013-11-18
JP2014178232A (ja) 2014-09-25

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