Inspec keywords: spaceborne radar; synthetic aperture radar; Fourier transforms; image resolution; radar resolution; radar imaging; filtering theory

Other keywords: ultra-high resolution spaceborne synthetic aperture radar; advanced range migration algorithm; range cell migration correction; approximate azimuth stationary point; unneglectable propagation time; ARMA; linear term; slant range model; cubic term; Fourier transform pairs; quartic term; space-variant effective velocity; spaceborne SAR; imaging requirements; range-variant azimuth filtering; ultra-high resolution image processing algorithm; RCMC; straight orbit approximation; two-dimensional spectrum

Subjects: Integral transforms; Filtering methods in signal processing; Optical, image and video signal processing; Radar equipment, systems and applications