Abstract
This study presents the results of the acquisitions of Doppler beam sharpening(DBS) images, obtained through flight trials of the airborne active electronically scanned array(AESA) radar. To use the AESA radar for DBS image acquisition, we designed methods for beam operation and image formation considering the beam operation peculiarities of the AESA radar. Selection methods of pulse repetition frequency(PRF) and waveforms to achieve the required azimuth resolution of the images are described, and the steps for implementation of our image formation method are presented and explained. Under the condition of mounting the AESA radar on the ramp door of cargo plane, methods for obtaining DBS images through flight trials are also explained, and the obtained images are compared with aerial ground photographs.
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