Synthesis and Analysis Non-recursive Rejection Filters in the Transient Mode

Popov, Dmitrii I. and Smolskiy, Sergey M. (2019) Synthesis and Analysis Non-recursive Rejection Filters in the Transient Mode. INFOCOMMUNICATIONS JOURNAL, 11 (3). pp. 28-33. ISSN 2061-2079

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Abstract

The non-recursive rejection filter (RF), which is improved with the purpose of transient acceleration at arriving of the passive interference edge caused by disturbing reflections from fixed or slow-moving objects, is synthesized by the state-variables method. The structural diagram is offered of the tunable RF in the transient with the purpose of improvement of signal extraction effectiveness from moving targets on the background of the passive interference edge. The comparative analysis is performed of RF effectiveness for fixed and tunable structure in the transient according to the criterion of the normalized interference suppression coefficient and the improvement coefficient of the signal-to-interference ratio. The essential increase of the signal extraction effectiveness from the moving objects on the background on the interference edge for the wide class of the spectral-correlation characteristics at RF structure modification.

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