On the basis of an analytical review of scientific and technical information sources dedicated to correction of errors in the gainphase distribution of the field on the aperture of the phased antenna array, such errors been caused by correlation of errors in phase quantization by discrete phase shifters, and also caused by disbursement of their characteristics and by failures in a part of the phased antenna array elements, an unresolved problem has been discovered. It is required to correct the amplitudephase distribution errors caused by deformation of the curtain of the large-aperture stationary phased antenna array and resulting in deviation of the radiating elements from their design parameters. A mathematical apparatus of the field distribution electronic correction is being developed together with an algorithm for controlling the radiation pattern of the phased antenna array. The effectiveness of the proposed method for correcting the array pattern distribution on the aperture of the deformed phased antenna array has been evaluated and an option for technical implementation thereof has been proposed.The relevance and novelty of the work is confirmed by the patent for the invention developed on the basis of the studies performed and by the certificate of state registration of the software, which was based upon in the processing of results of the measurements of the deformations in the curtain of the large-aperture phased antenna array.
Correction of amplitude-phase field distribution at aperture of deformed large-aperture fixed phased array
2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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