物理学报2012,Vol.61Issue(12):225-233,9.
大气湍流畸变对空间目标清晰干涉成像仿真研究
Simulation for space target interference imaging system distorted by atmospheric turbulence
摘要
Abstract
Interference imaging system for space target has close relation with atmospheric environment, and atmospheric turbulence disturbance distorts terribly the wavefront phase of any transmission optics launched from any optics system. In the space target interference imaging system the phase-closure-principle is adopted, in order to eliminate possible effects of atmospheric turbulence on the target image. Based on the power spectrum method and the Fourier transform method, the numerical simulation of wavefront phase screen, which is distorted by atmospheric turbulence conforming to the statistical rules of kolmogonov model and modified Von Karmen model, is respectively implemented. Various images by several different phase-screen models on the interference imaging system are obtained. Simulation results show that, with the advantage of adopting phase-closure-principle, the possible effects of atmospheric turbulence imaging can be eliminated basically.关键词
干涉成像/大气湍流/功率谱/波前相位屏Key words
interference imaging/atmospheric turbulence/power spectrum inversion/wave-front phrase screen分类
数理科学引用本文复制引用
刘扬阳,吕群波,张文喜..大气湍流畸变对空间目标清晰干涉成像仿真研究[J].物理学报,2012,61(12):225-233,9.基金项目
中国科学院知识创新工程重大项目(批准号:090202801Y)资助的课题. ()