Abstract
A method for reducing the side lobe level (SLL) of the combination factor (CF) of a linear equidistant phased array antenna (LEPAA) in a given direction within the framework of the model problem with given partial diagrams is presented. We obtained analytical dependences of the amplitude distribution (AD) and phase distribution (PD) of the signal at the inputs of the LEPAA emitters on the angles in the direction to which the minima of the LEPAA CF are formed. An example of SLL suppression is considered. We investigated the dependence of the SLL CF LEPAA on the bit capacity of the power amplifiers and phase shifters in the LEPAA channels. It is shown that an LEPAA CF SLLs of –100 dB is achieved with account for the bit capacity of the power amplifiers and phase shifters in a given direction with 16-bit sampling, and an LEPAA CF SLLs of –200 dB is achieved with 32-bit sampling.
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Konov, K.I., Klimov, K.N. Suppression of the Side Lobe Level in the Model Problem on Radiation of an Antenna Array with Given Partial Diagrams. J. Commun. Technol. Electron. 66, 694–706 (2021). https://doi.org/10.1134/S1064226921060164
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DOI: https://doi.org/10.1134/S1064226921060164