Improvement of M E Signal-To-Noise Ratio, Flaw Classification and Reconstruction with Data from Automatic Ultrasonic Inspection -ALOK-

Barbian, O. A.; Grohs, B.; Kappes, Wolfgang; Paul, H. Backe; Licht, R.

doi:10.1109/ultsym.1981.197749

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Imaging Using Alok Data1

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1981

1992

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Cited by 3 publications

(1 citation statement)

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“…Searching for maxima is contro11ed by two parameters ca11ed i and k. A point is accepted as a maximum if it has the largest value within a range of i half waves left to it and k half waves right to it. The proper choice of i and k depends on the transducer used [6]. Results presented in this paper have been obtained using i = k = 2.…”

Section: Imaging Using Alok Datamentioning

confidence: 99%

Influence of Filtering Techniques on Holographic Images

Bernus

Mohr

Reimann

et al. 1992

Review of Progress in Quantitative Nondestructive Evaluation

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Section: Imaging Using Alok Datamentioning

confidence: 99%

Influence of Filtering Techniques on Holographic Images

Bernus

Mohr

Reimann

et al. 1992

Review of Progress in Quantitative Nondestructive Evaluation

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Hardware-Equipment for Automatic Ultrasonic Inspection by the ALOK-Technique

Neumann

Barbian

1983

New Procedures in Nondestructive Testing

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Hardware Equipment for Realtime-Determination of Data Gained from A-Scans by Automatic Ultrasonic Inspection for Flaw-Reconstruction by ALOK

Neumann¹,

Barbian²,

Biehl³

et al. 1981

1981 Ultrasonics Symposium

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F r a u n h o f e r -I n s t i t u t f u r z e r s t o r u n g s f r e i e P r u f v e r f a h r e n Bldg. 37, U n i v e r s i t y , 6600 Saarbrucken, FRG ABSTRACT We d e s c r i b e an apparatus f o r automatic u l t r s v e r s e waves a t frequencies from 1 t o 4 MHz t h e described system has t h e f o l l o w i n g i mp o r t a n t and newly developed f e a t u r e s : -h i g h dynamic amplitude range o f 100 dB, -s i g n a l processing o f a complete A-scan i n r e a l --a p p l i c a t i o n o f a new search a l g o r i t h m , -t r a c k i n g o f a l l s i g n a l maxima o r i g i n a t e d from -t r a n s i t t i m e measurement o f maxima w i t h h i g h -p r o g r a m a b i l i t y of a l l i n s t r u m e n t a l and t e s t The developed data a r e analysed by ALOK procedure f o r t h e r e c o n s t r u c t i o n of f l a w s and d e f e c t s . time, f l a w s o r d e f e c t s , r e s o l u t i o n (50 n s ) , parameters f o r each t e s t mode.

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Improvement of M E Signal-To-Noise Ratio, Flaw Classification and Reconstruction with Data from Automatic Ultrasonic Inspection -ALOK-

Cited by 3 publications

References 1 publication

Influence of Filtering Techniques on Holographic Images

Influence of Filtering Techniques on Holographic Images

Hardware-Equipment for Automatic Ultrasonic Inspection by the ALOK-Technique

Hardware Equipment for Realtime-Determination of Data Gained from A-Scans by Automatic Ultrasonic Inspection for Flaw-Reconstruction by ALOK

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