Range-Doppler algorithm with extended number of looks

Bezvesilniy, Oleksandr O.; Gorovyi, Ievgen M.; Vynogradov, V. V.; Vavriv, D. M.

doi:10.1109/mrrs.2011.6053635

Cited by 6 publications

(11 citation statements)

References 4 publications

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“…We have proposed an alternative radiometric correction approach, which is based on a multi-look SAR processing with an extended number of SAR looks (Bezvesilniy et al, 2010c;Bezvesilniy et al, 2010d;Bezvesilniy et al, 2011b;Bezvesilniy et al, 2011c). This technique can be used instead of the clutter-lock.…”

Section: Radiometric Errors In Sar Imagesmentioning

confidence: 99%

“…We proposed (Bezvesilniy et al, 2010a;Bezvesilniy et al, 2010b;Bezvesilniy et al, 2010d;Bezvesilniy et al, 2011a) an algorithm called "built-in geometric correction" to control the synthetic beam direction so that the beams are pointed to the nodes of a correct rectangular grid on the ground plane.…”

Section: Time-domain Sar Processing With Built-in Geometric Correctiomentioning

confidence: 99%

“…Deviations of the aircraft trajectory introduce further complexity into the re-sampling process. We have proposed (Bezvesilniy et al, 2010a;Bezvesilniy et al, 2010b;Bezvesilniy et al, 2010d;Bezvesilniy et al, 2011a) an algorithm named "the built-in correction of geometric distortions" to solve this problem. This algorithm is described in the next section.…”

Section: Multi-look Sar Processing On a Single-look Interval Of Synthmentioning

confidence: 99%

“…Therefore, the algorithm works well without an additional radiometric correction only for a wide-beam antenna and only for the central SAR looks. In order to use all possible SAR looks to form a multi-look SAR image without radiometric errors, we have proposed an effective radiometric correction technique based on multi-look processing with extended number of looks (Bezvesilniy et al, 2010c;Bezvesilniy et al, 2010d;Bezvesilniy et al, 2011b;Bezvesilniy et al, 2011c).…”

Section: Built-in Geometric Correctionmentioning

confidence: 99%

“…Moreover, the application of the motion compensation can make the problem of radiometric errors even worse (Bezvesilniy et al, 2011c). After the motion compensation, the location of the antenna footprint on the ground should be described with respect to the position of the aircraft on the reference trajectory by the orientation angles MoCo The problem of the correction of radiometric errors in SAR images formed by using the range-Doppler algorithm can be solved by the multi-look processing with extended number of looks as it was described in Section 5.…”

Section: Problem Of Radiometric Errors Caused By Motion Compensationmentioning

confidence: 99%

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