title: [Study for differential cross section of ring effect].
authors.affiliation: State Key Laboratory of Remote Sensing Science, China. handong74@gmail.com
authors.forename: Dong
authors.initials: D
authors.lastname: Han
authors.forename: Liang-fu
authors.initials: LF
authors.lastname: Chen
authors.forename: Lin
authors.initials: L
authors.lastname: Su
authors.forename: Jin-hua
authors.initials: JH
authors.lastname: Tao
authors.forename: Shen-shen
authors.initials: SS
authors.lastname: Li
authors.forename: Chao
authors.initials: C
authors.lastname: Yu
authors.forename: Zi-feng
authors.initials: ZF
authors.lastname: Wang