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Radio Physics and Radio Astronomy

ISSN Print: 2152-274X
ISSN Online: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

Radio Physics and Radio Astronomy

DOI: 10.1615/RadioPhysicsRadioAstronomy.v1.i3.80
pages 249-256

IMPROVEMENT OF EXTRAPOLATION-BASED MICROWAVE RANGE FOURIER HOLOGRAPHY METHOD EMPLOYING A MINIMUM-DURATION METHOD

O. S. Antropov
O.Gonchar Dnepropetrovsk National University, Ukraine
V. F. Borulko
Oles Honchar Dnipro National University, 72, Gagarin Ave., Dnipro, 49010, Ukraine
S. M. Vovk
Oles Honchar Dnipropetrovsk National university 72, Gagarin Avenue, Dnipropetrovsk, 49051, Ukraine
O. O. Drobakhin
Oles Honchar Dnipro National University, 72, Gagarin Ave., Dnipro, 49010, Ukraine

ABSTRACT

Modification of the Fourier holography method is proposed for restoration of complex multifrequency reflection coefficient data of layered dielectric structure, which consists in extrapolation of modulus square multifrequency reflection coefficient data at the first step of data processing. Extrapolation is carried out on assumption that the synthesized time domain signal support, this latter being minimized, is finite. Extrapolation in the frequency domain facilitates the choice of weighting function for extraction from reflection time-response of a time signal corresponding to a structure proper. A minimum-duration method is used for solution of extrapolation problem.