Abstract
This study presents the considerations needed to create a spotlight SAR image of wide beam stripmap data using a range doppler algorithm (RDA). We propose applying preprocessing methods to the conventional autofocus method, which is necessary for airborne SAR to spotlight images captured by the RDA. Finally, it is proven that a wide swath stripmap SAR image can be generated through the azimuth matching of spotlight image blocks. The wide beam stripmap raw data acquired by the flight test was used to validate the proposed processing method.
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