BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE Publications of year 1982 Articles in journal or book chapters
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Abstract: | A mathematical model of a spaceborne synthetic aperture radar (SAR) response is presented. The associated SAR system performance, in terms of the resolution capability, is also discussed. The analysis of spaceborne SAR target response indicates that the SAR correlation problem is a two-dimensional one with a linear shift-variant response function. A new digital processing algorithm is proposed here in order to realize an economical digital SAR correlation system. The proposed algorithm treats the two-dimensional correlation by a combination of frequency domain fast correlation in the azimuth dimension and a time-domain convolver type of operation in the range dimension. Finally, digitally correlated SEASAT satellite SAR imagery is used in an exemplary sense to validate the SAR response model and the new digital processing technique developed. |
@Article{wuLiuJin1982:RDA, Title = {Modeling and a Correlation Algorithm for Spaceborne {SAR} Signals}, Author = {Chialin Wu and Liu, K.Y. and Jin, M.}, Doi = {10.1109/TAES.1982.309269}, ISSN = {0018-9251}, Month = sep, Number = {5}, Pages = {563-575}, Volume = {18}, Year = {1982}, Abstract = {A mathematical model of a spaceborne synthetic aperture radar (SAR) response is presented. The associated SAR system performance, in terms of the resolution capability, is also discussed. The analysis of spaceborne SAR target response indicates that the SAR correlation problem is a two-dimensional one with a linear shift-variant response function. A new digital processing algorithm is proposed here in order to realize an economical digital SAR correlation system. The proposed algorithm treats the two-dimensional correlation by a combination of frequency domain fast correlation in the azimuth dimension and a time-domain convolver type of operation in the range dimension. Finally, digitally correlated SEASAT satellite SAR imagery is used in an exemplary sense to validate the SAR response model and the new digital processing technique developed.}, Journal = IEEE_J_AES, Keywords = {SAR Processing, Range-Doppler Algorithm, RDA, Spaceborne SAR} }
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