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Despite the promising results, there are still several limitations in the current work.
First, the experimental evaluation is conducted on a limited number of target categories, which may restrict the generalization of the proposed method.
Second, a simulation-to-real gap may exist, as the training and evaluation data are mainly generated from electromagnetic simulations.
In future work, we plan to incorporate measured radar echo data to further validate and improve the robustness and applicability of the proposed approach.
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