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Information × Registration Number 0204U006095, 0100U004868 , R & D reports Title Elaboration of study and determination of characteristics of hidden periodicities for problems of technical diagnostics popup.stage_title Head Yavors'kyi I. M., Registration Date 14-07-2004 Organization Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine popup.description2 Methods of study and analysis of hidden periodicities were developed, theoretical investigation of their evaluation properties was conducted, structure of signals in electromagnetic researches was studied and noise-immune devices for search and inspection of underground communication were elaborated, a mathematical model of the underground pipeline electromagnetic field was developed, a device for inspection of their anticorroding protection was designed, properties of rail signals were investigated. The obtained results were confirmed by experiments and practical usage. Product Description popup.authors popup.nrat_date 2020-04-02 Close