A transverse wave is a wave in which the particles are displaced perpendicular to the
direction of the wave's advance. Examples of transverse waves include ripples on the …

The problems of two-dimensional signals processing on the base of two-Dimensional
Discrete Fourier Transform (2D DFT) are considered. A general definition and mathematical …

This paper considers the problems of development and application of digital technologies in
non-destructive testing (NDT). Conducting NDT is represented as some generalized …

At the present stage of development of digital information technologies intensive
digitalization (comp uterization) of both direct and indirect measurement methods is taking …

На современном этапе развития цифровых информационных технологий происходит
интенсивная цифровизация (компьютеризация) как прямых, так и косвенных методов …

The paper discusses the use of discrete parametric Fourier transform (DFT-P) in
nondestructive testing (NDT) of composite materials using the free oscillation method. It is …

The rapid development of information technology has significantly expanded the scope of
application of digital Fourier processing of finite signals. We note tomography, active and …

The rapid development of information technology has significantly expanded the scope of
application of digital Fourier processing of finite signals. Among them, the work noted …

Introduction: The practice of using Fourier-processing of finite two-dimensional signals
(including images), having confirmed its effectiveness, revealed a number of negative effects …

The definition of sliding spatial-frequency processing of discrete signal is given. Fast
methods for analyzing two-dimensional discrete signals in the spatial-frequency domain are …