Abstract
This study presents a novel time-reversal approach to locate targets based on the spatial information from the space-frequency multistatic data matrix plus the maximum detection and signal subtraction. The cancellation operator enables us to cancel the echoes coming from preliminarily detected targets, and we can transfer the multitarget imaging program into a series of single-target ones. Therefore, the targets can be accurately focused in the new environment. The advantages of the new algorithm over the conventional multitarget imaging algorithm are demonstrated by several numerical simulations.
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