标题： 低地球轨道卫星在光学频段的概率链路预算分析 显示英文标题

标题： Probabilistic Link Budget Analysis for Low Earth Orbit Satellites in the Optical Regime

摘要： 低地球轨道（LEO）光学卫星通信系统由于大气效应如闪烁、湍流、波前畸变、光束扩展和抖动而面临性能挑战。 本文提出了一种综合的数学模型来表征这些效应及其对信号传播的影响。 我们开发了一种方法，通过将这些模型整合到概率框架中，以动态计算任何位置和时间的链路预算。 该方法考虑了大气条件的空间和时间变化，从而能够准确估计链路损耗概率。 仿真验证了该模型的准确性，并证明其适用于现实中的LEO卫星系统。 这项工作提供了一个强大的工具，用于优化链路性能并提高卫星网络的可靠性，为系统设计人员和操作员提供了有价值的见解。 显示英文摘要

摘要： Low Earth Orbit (LEO) optical satellite communication systems face performance challenges due to atmospheric effects such as scintillation, turbulence, wavefront distortion, beam spread, and jitter. This paper presents a comprehensive mathematical model to characterize these effects and their impact on signal propagation. We develop a methodology for dynamically calculating link budgets at any location and time by integrating these models into a probabilistic framework. The approach accounts for spatial and temporal variations in atmospheric conditions, enabling accurate estimation of link loss probabilities. Simulations validate the model's accuracy and applicability to real-world LEO satellite systems. This work offers a robust tool for optimizing link performance and enhancing the reliability of satellite networks, providing valuable insights for system designers and operators.