ES2100756T3 - Procedimiento para la preparacion y la reproduccion de muestras de ruido de pequeña duracion almacenadas. - Google Patents

Procedimiento para la preparacion y la reproduccion de muestras de ruido de pequeña duracion almacenadas.

Info

Publication number
ES2100756T3
ES2100756T3 ES95106454T ES95106454T ES2100756T3 ES 2100756 T3 ES2100756 T3 ES 2100756T3 ES 95106454 T ES95106454 T ES 95106454T ES 95106454 T ES95106454 T ES 95106454T ES 2100756 T3 ES2100756 T3 ES 2100756T3
Authority
ES
Spain
Prior art keywords
section
reproduction
procedure
preparation
small noise
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 - Lifetime
Application number
ES95106454T
Other languages
English (en)
Inventor
Bernd Dr Olma
Bernd Schutz
Yongjian Ding
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.)
ISTEC GmbH
Original Assignee
ISTEC GmbH
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 ISTEC GmbH filed Critical ISTEC GmbH
Application granted granted Critical
Publication of ES2100756T3 publication Critical patent/ES2100756T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • 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
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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

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)
  • Acoustics & Sound (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Holo Graphy (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

PARA LA REPRODUCCION ACUSTICA DE UNA MUESTRA DE SONIDO DE TIEMPO CORTO ALMACENADA EN FORMA DE VALOR DE EXPLORACION DIGITAL DE 40-100 MS DE LONGITUD, QUE SE COMPONE DE FORMA CONJUNTA DE UN TRAMO (1) DE DISPARO PREVIO Y UN TRAMO (2) DE SUCESO, DE LOS CUALES EL TRAMO DE DISPARO PREVIO REPRESENTA UN RUIDO BASICO POSTERIOR Y EL TRAMO DE SUCESO REPRESENTA UN SUCESO DE SONIDO A SER ANALIZADO, SE PROPONE UN PROCEDIMIENTO CON LAS SIGUIENTES ETAPAS: (A) FORMACION DE UN DESARROLLO PREVIO DIGITAL Y DE UN DESARROLLO POSTERIOR DIGITAL A TRAVES DE MULTIPLES JUNTAS UNA CON OTRA DE LOS TRAMOS (1) DE DISPARO PREVIO O PARTES DEL MISMO, (B) DISPOSICION CONJUNTA DEL DESARROLLO PREVIO DEL TRAMO (2) DE SUCESO Y DEL DESARROLLO POSTERIOR EN ESTA SUCESION EN SERIE PARA UNA MUESTRA DE SONIDO DE TIEMPO LARGO DIGITAL, (C) TRANSFORMACION DE LA MUESTRA DE SONIDO DE TIEMPO LARGO DIGITAL EN UNA MUESTRA DE SONIDO LARGO ANALOGICO Y (D) TRANSFORMACION DE LA MUESTRA DE SONIDO DE TIEMPO LARGO ANALOGICO EN UNA SEÑAL ACUSTICA.
ES95106454T 1995-04-28 1995-04-28 Procedimiento para la preparacion y la reproduccion de muestras de ruido de pequeña duracion almacenadas. Expired - Lifetime ES2100756T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95106454A EP0740153B1 (de) 1995-04-28 1995-04-28 Verfahren zur Aufbereitung und Wiedergabe gespeicherter Kurzzeitschallmuster

Publications (1)

Publication Number Publication Date
ES2100756T3 true ES2100756T3 (es) 1997-06-16

Family

ID=8219208

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95106454T Expired - Lifetime ES2100756T3 (es) 1995-04-28 1995-04-28 Procedimiento para la preparacion y la reproduccion de muestras de ruido de pequeña duracion almacenadas.

Country Status (5)

Country Link
EP (1) EP0740153B1 (es)
AT (1) ATE151879T1 (es)
DE (1) DE59500190D1 (es)
ES (1) ES2100756T3 (es)
WO (1) WO1996034281A1 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168469A (en) * 1991-01-02 1992-12-01 E. I. Du Pont De Nemours And Company Thickness and flaw detection using time mapping into memory technique
WO1994000755A1 (en) * 1992-06-25 1994-01-06 Hitachi Construction Machinery Co., Ltd. Method and apparatus for ultrasonic measurement

Also Published As

Publication number Publication date
EP0740153A1 (de) 1996-10-30
DE59500190D1 (de) 1997-05-22
EP0740153B1 (de) 1997-04-16
WO1996034281A1 (de) 1996-10-31
ATE151879T1 (de) 1997-05-15

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