In previous work, we have demonstrated the utility of a feedback loop for enabling optimized transmit pulse shaping
in radar target recognition. This previous work was based on low-fidelity target models, but in this paper, we demonstrate the closed-loop, adaptive-waveform approach applied to highfidelity target model signatures generated by commercial electromagnetic FDTD software. We also incorporate the radar
equation into our models for us in the waveform design procedure. Because SNR varies with range, so do our optimized waveforms for target recognition. Constant-modulus waveform
constraints are enforced, and a template-based classification strategy is used.
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