Development of Compact SAR Systems for Small Satellite. - Hirobumi Saito; Koichi Ijichi; Jiro Hirokawa; Takashi Tomura; Prilando Rizki Akbar; Pyne Budhaditya; Koji Tanaka; Makoto Mita; Tomoki Kaneko; Hiromi Watanabe (IGARSS, 2019)