Browsing by Author "Usina, Anna"

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    An improved method for active phased-array antennas calibration
    (Видавництво Львівської політехніки, 2012) Usina, Anna; Markov, Vasyl; Usin, Vladimir
    Some problems of phased array antennas and its T/R modules calibration are considered. The main attention is paid to the problems and procedures of diagnostics and measurements of amplitude and phase distribution on aperture, to alignment and calibrations of phased array antennas, which take into account the peculiarities connected with its hardware implementation and service conditions.
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    Application of the distributed probe-system for phased array measurements
    (Видавництво Львівської політехніки, 2012) Usina, Anna; Pomazanov, Sergej
    Some questions of the application of the multi-channel probe during the process of alignment and near field antenna measurements of the phased array antennas for time saving and accuracy improvement are examined.