Abstract
The performance of intersatellite laser communication system
can be affected by optical antenna deformations. A deformation model
is established based on wavelet analysis for diversified
deformations caused by processing technique and complex environment
of the outer space. Numerical analyses show that the reconstruction
error of a localized irregular deformation by wavelet could achieve
10<sup>-12</sup> level, which is far better than Zernike polynomials to
some extend. Relationships between diversified antenna deformations
and the effect on received signal strength are derived based on the
model. According to simulation results, the effect of deformation on
received signal strength increases with the dilation factor of the
model, decreases with the shift factor of the model, and tends to
increase with irregular fluctuations with the linear increase of
wavelet coefficient of the model. This study may be of some help in
the design of intersatellite laser communication systems.
© 2011 IEEE
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