FIELD: radio engineering.
SUBSTANCE: invention relates to radio-heat location, namely to radio-heat location surveillance systems using radiometer with antenna scanning by azimuth and elevation angle. Said result is achieved by fact that widened observation matrix is formed by missing lines interpolation with subsequent extended matrix processing in frequency domain using reducing filter, which enables to obtain undistorted image of objects.
EFFECT: technical result is aimed at reduction of objects images with radiometer antenna scanning step by elevation angle, greater than desired image discretization pitch.
1 cl, 4 dwg
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