Table 1.

Speech perceptual evaluation (MOS score) for speeches before and after enhancement.

Radar System	Averaged MOS Scores of Original Speeches	Averaged MOS Scores of Enhanced Speeches
94-GHz	2.56	2.72
34-GHz-S	2.32	2.53
34-GHz	2.11	2.36
Microphone	1.52	2.07