À weight (window)
function based on Dolph-Chebyshev functions
V. V. Yakovlenko
“Rostov-on-Don radio communication
scientific research institute”, Federal research and production center, 344038, Rostov-on-Don, Nansen
The paper is received on August 1, 2017
A new weight function (WF) was proposed. It is based on the optimal
Dolph-Chebyshev WF and extends its capabilities to obtain the required
characteristics of the radiation patterns (RP) of equidistant antenna arrays
(AA). It provides a controlled reduction of distant side lobe of RP and of current
of elements at the edge of ÀÀ,
increasing the level of the signal emitted by an active AA with a limited level
of signals of its elements; it allows to control the speed of decreasing of the
hither side lobes and the position of zeros of envelope of the side-lobe. The
new WF preserves properties of original WF: regulation of level of side lobes
and proximity to a minimum of width of the main lobe of RP. It can be used for
digital and analog signal filtering by transversal (nonrecursive) filters, discrete
Fourier analysis, increasing the signal level, decreasing diffraction
distortion of interdigital transducer (IDT) of narrowband surface acoustic wave
antenna array, radiation pattern, weight function, Dolph-Chebyshev function.
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V. V. Yakovlenko.
À weight (window)
function based on Dolph-Chebyshev functions.
Zhurnal Radioelektroniki - Journal of Radio Electronics,
8. Available at http://jre.cplire.ru/jre/aug17/3/text.pdf.