Algorithm transformations for unlimited parallelism

2002 ◽  
Author(s):  
G. Fettweis ◽  
L. Thiele ◽  
G. Meyr
Keyword(s):  
Algorithm Transformations

scholarly journals Spectral analysis method of electrophysical non-destructive testing data

2021 ◽  
Vol 2131 (5) ◽  
pp. 052061
Author(s):  
V Surin ◽  
V Beketov ◽  
Ayman Abu Ghazal ◽  
Anas Alwaheba
Keyword(s):  
Spectral Analysis ◽  
Low Frequency ◽  
Computational Method ◽  
Experimental Sample ◽  
Destructive Testing ◽  
Filter Function ◽  
Mathematical Algorithm ◽  
Sample Approximation ◽  
Spectral Analysis Method ◽  
Algorithm Transformations

Abstract A computational method for spectral analysis of the electrophysical test results based on sequential mathematical algorithm transformations using a discrete linear response function has been developed. The procedure for constructing spectral functions has a certain order and is aimed at obtaining adequate results of the experimental sample approximation in the frequency domain. It is shown that use of the low-frequency FIR filter function as part of the convolution, together with the fast Fourier transform, gives accurate results for structural inhomogeneities localization in welded joints.

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