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Simulation for Space target interference imaging system distorted by atmospheric turbulence

Liu Yang-Yang Zhang Wen-Xi

Simulation for Space target interference imaging system distorted by atmospheric turbulence

Liu Yang-Yang, Zhang Wen-Xi,
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  • Abstract views:  2331
  • PDF Downloads:  903
  • Cited By: 0
Publishing process
  • Received Date:  24 August 2011
  • Accepted Date:  10 October 2011
  • Published Online:  05 June 2012

Simulation for Space target interference imaging system distorted by atmospheric turbulence

  • 1. Academy of Opto-electronics, Chinese Academy of Sciences, Beijing 100094, China
Fund Project:  Projecl supported by the Major Project of Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. 090202B01Y).

Abstract: Interference imaging system for space target has close relation with atmospheric environment, and atmospheric turbulence disturbance distorts terribly the wavefront phase of any transported 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.

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