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|Title:||SAR real time motion compensation: Average cancellation method for aircraft motion error extraction|
|Authors:||Zhang, C.B. |
|Citation:||Zhang, C.B.,Yeo, T.S.,Kooi, P.S.,Lu, Y.H.,Deng, L.P.,Tsao, C. (1994). SAR real time motion compensation: Average cancellation method for aircraft motion error extraction. Singapore ICCS - Conference Proceedings 1 : 29-34. ScholarBank@NUS Repository.|
|Abstract:||Effective motion compensation is the key for achieving high quality SAR images. A recent frequency domain method which is based on an analysis of the azimuth spectrum of SAR raw data to extract aircraft's motion-error, has the advantage of having the ability to operate without accelerometer and INS. However, an antenna with a wide azimuth beam is required. Furthermore, its accuracy depends heavily on the contrast of the ground reflectivity function. A new method based on the time domain approach is presented in this paper. Compared with the existing method, the new approach not only has all the above-mentioned features, but also the added advantages of low computation load requirement as well as the wide-band motion-error extraction capability. Furthermore, it relaxes some requirements on azimuth antenna beamwidth as well as the ground reflectivity function contrast.|
|Source Title:||Singapore ICCS - Conference Proceedings|
|Appears in Collections:||Staff Publications|
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