Abstract
This chapter mainly introduces the basic principles of SAR imaging, signal model, GMTI and GMTIm algorithms. The geometries of stationary and moving targets are established, and the characters of their echoes are analyzed. Based on the analysis, three classical single-channel GMTI algorithms are introduced in this chapter, and their limitations are discussed. Moreover, the principle of GMTIm algorithms with Keystone transform and time-frequency analysis algorithm is introduced, and the limitations in Doppler centroid ambiguity and motion parameter derivation are studied.
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Yang, J. (2017). SAR Ground Moving Target Indication and Imaging Theory. In: Study on Ground Moving Target Indication and Imaging Technique of Airborne SAR. Springer Theses. Springer, Singapore. https://doi.org/10.1007/978-981-10-3075-8_2
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DOI: https://doi.org/10.1007/978-981-10-3075-8_2
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