This is related to certain physical limitations of the image sensors , such as finite cell area and finite aperture time
2.
( 1 ) . here we build the system space geometry model : the transmitter and receiver fly on different platforms and at different height , two flight paths are unparallel . based on the chirp signal and the taylor series , we analyze the range history and synthetic aperture time , then demonstrate the equation of the azimuth resolution about air - born bistatic spotlight synthetic aperture radar , meanwhile we obtain the equations of doppler bandwidth and doppler frequency modulate rate
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