A sar radar system and a method relating thereto
A radar system, radar technology, applied in the field of diffraction-limited SAR scenes
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[0040] The present invention provides a radar system and method, respectively, in which the DL SAR processing components are implemented using the FFB algorithm in such a way that the processing does not need to assume that any special significant ground features will be present in the raw data, even though this facilitates determination of the platform path and thus motion compensate. This is very advantageous. Furthermore, the platform path is associated with a large number of parameters, implying that considerable computational convenience is required and a large set of motion-determining parameters for complex devices in the system is required to be fast enough.
[0041] First, to describe the concept of the present invention in a somewhat more general manner, it can be said that it consists of three main parts. First, suppose that P i is the set of points in space, and P i →P i+1 is a set of adjacent subapertures with a common length L that image the same ground area ...
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