JPH0136064B2 - - Google Patents

Info

Publication number
JPH0136064B2
JPH0136064B2 JP56027213A JP2721381A JPH0136064B2 JP H0136064 B2 JPH0136064 B2 JP H0136064B2 JP 56027213 A JP56027213 A JP 56027213A JP 2721381 A JP2721381 A JP 2721381A JP H0136064 B2 JPH0136064 B2 JP H0136064B2
Authority
JP
Japan
Prior art keywords
signal
section
echo
ultrasonic
gate
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
Application number
JP56027213A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57141551A (en
Inventor
Hiroshi Naito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56027213A priority Critical patent/JPS57141551A/ja
Publication of JPS57141551A publication Critical patent/JPS57141551A/ja
Publication of JPH0136064B2 publication Critical patent/JPH0136064B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP56027213A 1981-02-26 1981-02-26 Noise eliminating method of ultrasonic flaw detector Granted JPS57141551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027213A JPS57141551A (en) 1981-02-26 1981-02-26 Noise eliminating method of ultrasonic flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027213A JPS57141551A (en) 1981-02-26 1981-02-26 Noise eliminating method of ultrasonic flaw detector

Publications (2)

Publication Number Publication Date
JPS57141551A JPS57141551A (en) 1982-09-01
JPH0136064B2 true JPH0136064B2 (en]) 1989-07-28

Family

ID=12214819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027213A Granted JPS57141551A (en) 1981-02-26 1981-02-26 Noise eliminating method of ultrasonic flaw detector

Country Status (1)

Country Link
JP (1) JPS57141551A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62222162A (ja) * 1986-03-25 1987-09-30 Hitachi Constr Mach Co Ltd 超音波探傷装置
JP6540185B2 (ja) * 2015-04-16 2019-07-10 日本製鉄株式会社 欠陥検査装置及びその制御方法、プログラム、並びに、記憶媒体
CN113267562A (zh) * 2021-05-19 2021-08-17 复旦大学 冶金材料水浸超声波检测中干扰气泡的去除方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433752B2 (en]) * 1974-12-09 1979-10-23

Also Published As

Publication number Publication date
JPS57141551A (en) 1982-09-01

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