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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i7.30
pages 581-592

PRINCIPLE OF MINIMUM EXTENT IN SPATIAL SPECTRUM EXTRAPOLATION PROBLEMS OF COMPLEX-VALUED SOURCES

V. F. Borulko
Oles Honchar Dnipropetrovsk National university 72, Gagarin Avenue, Dnipropetrovsk, 49051, Ukraine
S. M. Vovk
Oles Honchar Dnipropetrovsk National university 72, Gagarin Avenue, Dnipropetrovsk, 49051, Ukraine

要約

This paper considers a problem of spatial spectrum extrapolation for complex-valued sources, whose position is a priori unknown. This problem was solved using the principle of minimum spatial extent of the radiation source. The quasi-extent functional is being considered in its scalar and vector form, which allowed to formulate the respective problems of non-linear optimization. The gradient optimization approach is suggested as a solution. Numerical simulation was performed for a single and five complex-valued sources


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