Strip mode processing of spotlight aperture radar data |
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Authors: | Di Cenzo A |
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Institution: | TRW Defence Syst. Group, Redondo Beach, CA; |
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Abstract: | The author shows how to process deramped (e.g., typical spotlight mode) synthetic-aperture-radar (SAR) data using mode processors, with no restrictions on antenna pointing. The basis of the approach is that although the deramped data does not contain a spatially invariant two-dimensional response to a point target, the range-compressed deramped data does. Range compression of the deramped data is performed simply by Fourier transforming each range line. The method greatly increases the flexibility of current strip mode processors by extending their domain to a previously unsuitable class of data |
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