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In the article disclosed relation between antenna RCS and constructive RCS of UHF RFID tag antenna and its influence to maximal length of operative passive RFID range.
In work results of use of the hidden markov models (HMM) with initiated these models signs for classification of the signals representing a total current, removed on an entrance of an electric chain are presented. Classification of such signals with use of the k-nearest neighbor classifier (kNN) and the classifier based on a method of support vector machine (SVM) is considered.
The paper considers the problem of determining the applicability of the electrocardiographic electrodes to human brain electrical activity monitoring at high frequencies. Frequency response of the electrodes and their circuit models were investigated. The dependence of voltage transmission coefficient of the electrode at high frequencies is linear and does not contain any significant fluctuations,...
One of possible ways to generate submillimeter wave and THz radiation is to use transformation of plasma waves into electromagnetic radiation at strong Langmuir turbulence [1]. We had already described some implementation of such method at the GOL-3 experiments [2–4], wherein the mechanism of plasma heating was recognized as the excitation of strong Langmuir turbulence (LT) via a two-stream instability...
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