The Nobeyama radioheliograph. - Hiroshi Nakajima; Masanori Nishio; Shinzo Enome; Kiyoto Shibasaki; Toshiaki Takano; Yoichiro Hanaoka; Chikayoshi Torii; Hideaki Sekiguchi; Takeshi Bushimata; Susumu Kawashima; Noriyuki Shinohara; Yoshihisa Irimajiri; et al. (Proc. IEEE, 1994)