While many research papers exists about radar signal estimation using ELINT gathered data, no deep research exists about radar performance evaluation, using collected data. This important topic is regarded in this paper using some physical basic laws of radar and signal processing as well as some logical interpretations. Estimated parameters include antenna beamwidth, gain and physical dimension, range and angle resolution, clutter attenuation level, minimum detectable RCS, maximum detection range, transmitted and consumed power. Some estimation about radar performance parameters, real data about some well-known radar systems are presented and it is shown that, the proposed algorithms prepare almost accurate estimation of radar parameters.
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