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Staggered SAR is an innovative 2-D imaging system utilizing the digital beam-forming (DBF) technique and the continuous variation of pulse repetition frequency (PRF). However, due to the PRF variation, the echo data in the azimuth is non-uniformly sampled. To achieve good imaging quality, it is indispensable to interpolate the data of the staggered SAR to be uniform before further imaging processing...
Synthetic Aperture Radar (SAR) has been applied in civilian and military fields widely. However, because of the inherent characteristic of monostatic SAR, it can not image the forward-looking terrain of the aerocraft [1]. As an emerging SAR technology, bistatic SAR is receiving considerable attention at present. With the choice of proper geometry, it can image in flight direction. We call this case...
To better understand the fundamental of the spaceborne/airborne hybrid bistatic SAR (SA-BSAR) image formation, the range cell migration (RCM) of the SA-BSAR is studied in the range-Doppler domain, where the RCM in SA-BSAR can be explicitly expressed in close form. Through the analysis of RCM relationship with target's azimuth and range position, we can find that, because of the system platforms' velocity...
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