AT268726B - Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien - Google Patents

Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien

Info

Publication number
AT268726B
AT268726B AT68966A AT68966A AT268726B AT 268726 B AT268726 B AT 268726B AT 68966 A AT68966 A AT 68966A AT 68966 A AT68966 A AT 68966A AT 268726 B AT268726 B AT 268726B
Authority
AT
Austria
Prior art keywords
oscillographic
evaluation
media
sound reflections
reflections
Prior art date
Application number
AT68966A
Other languages
English (en)
Inventor
Hans-Ulrich Dipl Phys Richter
Peter Dipl Ing Jahn
Original Assignee
Schwermaschb Karl Liebknecht
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 Schwermaschb Karl Liebknecht filed Critical Schwermaschb Karl Liebknecht
Priority to AT68966A priority Critical patent/AT268726B/de
Application granted granted Critical
Publication of AT268726B publication Critical patent/AT268726B/de

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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • 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
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
    • 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
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • 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
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
AT68966A 1966-01-25 1966-01-25 Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien AT268726B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT68966A AT268726B (de) 1966-01-25 1966-01-25 Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT68966A AT268726B (de) 1966-01-25 1966-01-25 Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien

Publications (1)

Publication Number Publication Date
AT268726B true AT268726B (de) 1969-02-25

Family

ID=3497214

Family Applications (1)

Application Number Title Priority Date Filing Date
AT68966A AT268726B (de) 1966-01-25 1966-01-25 Gerät zur oszillographischen Auswertung von Schallreflexionen für die Bestimmung des strukturellen Aufbaues von Medien

Country Status (1)

Country Link
AT (1) AT268726B (de)

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