“…(e-mail: sgchen@xidian.edu.cn) signals. Commonly used wideband signals include High Resolution Range Profile (HRRP) [1], [2], Synthetic Aperture Radar (SAR) [3], [4], [5], and Inverse Synthetic Aperture Radar (ISAR) [6], [7], [8], etc. Narrow Jet Engine Modulation (JEM) signals [9] can effectively capture the micro-motion characteristics of long-range aircraft targets.…”