Ilim D. Isaev¹, Aleksey N. Savelyev², Aleksandr N. Semenov³

 1−3  Bauman Moscow State Technical University (Moscow, Russia) 1 2 3

 isaevid@bmstu.ru,  savelyev.an@bmstu.ru,  semenov.an@bmstu.ru

An analysis of the typical dynamic range calibration characteristics applied to raw radar frames and methods for estimating frame contrast and sharpness is considered. In this article, the raw radar frames received by a surface movement radar system (SMR), consisting of a few surveillance area radars located on different positions with overlapping areas. Using standard methods of analysis and the numerical indicators of contrast and sharpness, the choice of a rational option for combining the type of calibration characteristic, its parameters and a method for assessing the quality of radar frames for given conditions of use is justified. The relation with histogram methods of analysis and quality improvement of radar raw images is shown. The numeric results of processing and quality assessment of raw radar frames using experimental data are presented.

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