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A Time Domain Raw Signal Simulator for Hybrid Mode Interferometric SAR

A raw signal simulator for a SAR system operating in stripmap, spotlight and hybrid mode on a Kepler’s orbit is presented. The simulator operates in time domain and, unlike frequency domain simulators, it can easily take into account mechanical oscillation of the mast that supports the second antenna, orbit perturbation, etc. The proposed model represents an useful tool to analyze sensors performance also in presence of deviations from nominal conditions.