Abstract

An effective method that allows determining the presence of a defect and its characteristics is proposed. The proposed method is based on the control of changes in the parameters of dynamic process. To increase the informativeness of the proposed method the special mathematical approach for processing of the recorded signal is used. A special feature of the approach is an adaptively adjustable orthonormal basis. This approach maximizes the diversity of signal images obtained after processing, corresponding to the different types of defects. The proposed approach allows to significantly increase the efficiency of inhomogeneity recognition. A series of experiments demonstrating the high efficiency of the method is carried out.

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