THE WAYS OF TECHNICAL REALIZATION OF ADAPTIVE ALGORITHM OF COMPENSATION OF NON-LINEAR DISTORTIONS OF RADIO DEVICES
Keywords:
radio device, adaptive compensator, non-linear distortion, internal noises, amplitude characteristic, dynamic diapason
Abstract
The practical realization of potential opportunities of onboard radio local systems of radio local systems (OBRLS) that are currently considerably higher than their real approachable technical characteristics is one of the main tasks of modern theory and practice of electronic and telecommunication. The authors of the article proposed some specific technical offers and ways of physical realization of scientifically grounded algorithm of adaptive compensation of non linear distortions (ACNLD). The insertion of artificial main and supportive entrances into the scheme of non-linear adaptive compensators allowed using the general theory of adaptive systems for their synthesis. The practical usage of synthesized following such a principle ACNLD according to the created recommendations allows to significantly increase the indices of quality of OBRLS in the real conditions of their functioning, comparing with the already known ones. An additional advantage of proposed adaptive method of expansion of linear dynamic diapason (LDD) is an improvement of all-weather of OBRLS and increasing of probability of identification of radio local maps of locality captured in different weather conditions without any additional changeovers. Except for this, a flexible reserve for the noise immunity of OBRLS is being fulfilled that allows taking into consideration the possible improvements of means of radio electronic struggle. Synthesized ACNLD are considerably free from many drawbacks of linear determined means of expansion of dynamic diapason of radio receiving devices (RRD) and also they have simpler apparatus realization. Except, in a process of projection of ACNLD a considerably less volume of a priori information about the parameters of LDD is needed for the calculation of already known schemes of depression of non-linear distortions. The transferring functions of adaptive filters of ACNLD are quite quickly gather at the non-linear transferring function of radio device (RD) provided that an effective convergence can be seen only with the presence of the inner noises at least unless they exceed the non-linear distortions by the level.Downloads
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5. Barsov V. І. Mathematic methods and technical means of АSU / V. І. Barsov, V. А. Krasnobayev, Z. V. Barsova. – Kh.: Tochka, 2012. – 301 с.
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12. Konyakhin V. V.Micro schemes for the equipment of space assignment. Practical manual / V. V. Konyakhin and others. – М.: Теchnosphere, 2017. – 388 p.
Published
2018-12-13
How to Cite
SheferО. The ways of technical realization of adaptive algorithm of compensation of non-linear distortions of radio devices / SheferО., N. Ichanska, B. Topikha, V. Shefer // Control, Navigation and Communication Systems. Academic Journal. – Poltava: PNTU, 2018. – VOL. 6 (52). – PP. 140-143. – doi:https://doi.org/10.26906/SUNZ.2018.6.140.
Section
Communication, telecommunications and radio engineering
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
