Estimation of sea clutter inherent Doppler spectrum from shipborne S-band radar sea echo
Zhang Jin-Peng1, 2, †, Zhang Yu-Shi1, Xu Xin-Yu1, Li Qing-Liang1, Wu Jia-Ji2
       

Range–Doppler maps of sea clutter in the South China Sea for radar range resolutions of panel (a) 7.5 m, panel (b) 15 m, panel (c) 30 m, and panel (d) 60 m.