Scanning synthetic radiation pattern antennas
DOI:
https://doi.org/10.3103/S0735272710040072Keywords:
radiation pattern, antenna arrayAbstract
It is proposed conception of development of new type transmitting-receiving scanning antennas, which are called antennas with synthetic radiation pattern. It is based on application of movement of radiating (receiving) element together with synthesizing of radiation pattern (RP) by means of SAR for processing of recorded information about radiated and received signals. Physical radiator movement can be real or virtual (switching of radiation phase center) due to switching in turns of radiators of one-dimension antenna array (AA) to single-channel transmitter-receiver. There are represented two applications of this approach realization, such as spiral-waveguide slot and tape-slot scanning synthetic RP antennas for registration of radio images and radiofilms in 8-mm wavelength band.
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