Performance analysis of large-aperture receiving and selection of aperture size in atmospheric optical communications

被引：8
作者：
Key Laboratory for Photoelectric Measuring and Control and Optical Information Transfer Technology, Changchun University of Science and Technology, Changchun, Jilin 130022, China [1 ]
机构：
[1] Key Laboratory for Photoelectric Measuring and Control and Optical Information Transfer Technology, Changchun University of Science and Technology, Changchun
来源：
Zhongguo Jiguang | 2009年 / 11卷 / 2957-2961期
关键词：
Aperture averaging; Atmospheric turbulence; Optical communications; Selection of size; Signal-to-noise ratio;
D O I：
10.3788/CJL20093611.2957
中图分类号：
学科分类号：
摘要：
Large-aperture receiving is one of the effective approaches to overcome the impact of turbulence on atmospheric optical communications. Based on the irradiance fluctuation theory for finite apertures, the relationship between the average signal-to-noise ratio and the quantities of the signal-to-noise ratio without turbulence, the aperture averaging factor and the irradiance fluctuation variance was mathematically modeled, and the formula of bit error rate (BER) was derived. The curves of relationship between the aperture diameter and the signal-to-noise ratio without turbulence at a given BER with various turbulence parameters were obtained numerically.
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页码：2957 / 2961
页数：4
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