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Due to the attenuation effects of walls, the signal to noise ratio (SNR) for targets indoor is unavoidably decreased, which seriously influences the quality of through-the-wall imaging (TWI) results. To suppress the deterioration of noise and clutters yield by walls, an adaptive noise power spectrum estimation method is put forward in this paper to enhance the performance of TWI. Through a combination...
The impact of moving target on the one-dimensional coherent imaging in stepped radar is analyzed in this paper. A cross-correlation-based estimation method of radial velocity is proposed. It is proven by analytical derivation that the cross-correlation analysis on adjacent pulses yields the quantity related to the radial acceleration and velocity of moving target, based on which the radial motion...
The forward-looking ground penetrating radar (FLGPR) has been widely considered as an applicable landmines detection technology, but the self-signature and the strong ground clutter will severely degrade the SAR image. We present a novel method for interference and ground clutter suppression in the image domain based on the distance-band partition and iterative operation techniques, which can realize...
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