Ultrawideband Radar Imaging Using Adaptive Array and Doppler Separation. - Motoshi Anabuki; Shigeaki Okumura; Toru Sato; Takuya Sakamoto; Kenshi Saho; Mototaka Yoshioka; Kenichi Inoue; Takeshi Fukuda; Hiroyuki Sakai 001 (IEEE Trans. Aerosp. Electron. Syst., 2017)