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Coherence Factor-Based Delay-Multiply-And-Sum Image Reconstruction Algorithm

Microwave imaging is one of the most promising imaging modalities for the early detection of breast cancer. Many image reconstruction algorithms have been developed. In this paper, we propose a fast Delay-Multiply-And-Sum (DMAS) beamforming algorithm with an additional weighting factor. Simulation results show that the side lobes are suppressed by using the coherence of received signals. Moreover, the computational load order is lower than DMAS.