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Abstract
According to analysis of separating the mixed echo by suppressing the cross-correlation
noise in dual-input and dual-output SAR system, a new method based on threshold filter
and inverse filter was proposed. The method can eliminate the most energy of cross-correlation
noise by threshold filter, which can suppress the cross-correlation noise well. The
principle and implementation steps are presented in detail. The computer simulation
and account for the integrated sidelobe ratio showed the effectiveness of the proposed
method.