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In this letter, an efficient imaging algorithm is proposed for reconstructing the spaceborne/airborne bistatic synthetic aperture radar (SA-BSAR) data acquired with a high squint angle. By utilizing the Taylor expansion and the chain rule for derivatives of composite function, the expression of the SA-BSAR ideal matching filter is converted to a 2-D nonuniform discrete Fourier transform (NUDFT). Due...
In this paper, a generalized frequency domain imaging algorithm is proposed for focusing data from the bistatic SAR (BSAR) with arbitrary geometry configurations. The proposed algorithm is derived from the ideal frequency-domain spectrum of arbitrary BSAR, which is achieved from the method of the series reversion (MSR). By implementing the 2-D linear regression, the process of the ideal frequency...
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