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Packet error rate analysis of digital pulse interval modulation in intersatellite optical communication systems with diversified wavefront deformation

机译:多种波阵面形变的星际光通信系统中数字脉冲间隔调制的分组误码率分析

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Diversified wavefront deformation is an inevitable phenomenon in intersatellite optical communication systems, which will decrease system performance. In this paper, we investigate the description of wavefront deformation and its influence on the packet error rate (PER) of digital pulse interval modulation (DPIM). With the wavelet method, the diversified wavefront deformation can be described by wavelet parameters: coefficient, dilation, and shift factors, where the coefficient factor represents the depth, dilation factor represents the area, and shift factor is for location. Based on this, the relationship between PER and wavelet parameters is analyzed from a theoretical viewpoint. Numerical results illustrate the validity of theoretical analysis: PER increases with the depth and area and decreases if location gets farther from the center of the optical antenna. In addition to describing diversified deformation, the advantage of the wavelet method over Zernike polynomials in computational complexity is shown via numerical example. This work provides a feasible method for the description along with influence analysis of diversified wavefront deformation from a practical viewpoint and will be helpful for designing optical systems. (C) 2015 Optical Society of America
机译:卫星间光通信系统中波前形变的多样性是不可避免的现象,会降低系统性能。在本文中,我们研究了波前变形的描述及其对数字脉冲间隔调制(DPIM)的误包率(PER)的影响。使用小波方法,可以通过小波参数来描述多样化的波前变形:系数,膨胀系数和位移系数,其中系数系数代表深度,膨胀系数代表面积,位移系数代表位置。基于此,从理论的角度分析了PER与小波参数之间的关系。数值结果说明了理论分析的有效性:PER随深度和面积的增加而增加,如果位置离光学天线的中心越远,则PER减小。除了描述多样化的变形之外,小波方法相对于泽尼克多项式的优势还在于数值示例。从实用的角度出发,这项工作为描述各种波前形变以及影响分析提供了一种可行的方法,将有助于设计光学系统。 (C)2015年美国眼镜学会

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