A performance optimization processing method and device for a space optical communication system

Abstract

The invention provides a performance optimization processing method and device for a space optical communication system. The method includes: on the basis of obtaining the cumulant generation model of the output light quantum of the avalanche photodiode, and based on the parameter characteristics of the target atmospheric environment, determining the probability density model of the light quantum in the optical communication signal propagating in the target atmospheric environment; The probability density model of light quanta performs Gaussian error processing to obtain the bit error rate of the space optical communication system, and obtains the relationship between the bit error rate and the signal-to-noise ratio corresponding to the space optical communication system in the target atmospheric environment. A linear relationship model; based on the linear relationship model, optimize and adjust the performance parameters of the space optical communication system to obtain a target space optical communication system. By adopting the method of the invention, the communication efficiency and performance of the space optical communication system in a complex atmospheric environment can be improved, and at the same time, it is easy to analyze and adjust various performance parameters of the space optical communication system.

Description

technical field [0001] The invention relates to the technical field of wireless optical communication, in particular to a performance optimization processing method and device for a space optical communication system. In addition, it also relates to an electronic device and a non-transitory computer-readable storage medium. Background technique [0002] With the vigorous development of aerospace technology, space optical communication (FSO; Free Space Optical Communication) has gradually attracted the attention of scientific research and aerospace departments due to its unique advantages in the space environment. The space optical communication system uses laser light as the light source to carry information, and the atmosphere as the communication channel transmission medium, which can realize high-speed, safe, and large-capacity directional communication between satellites, satellites, and other platforms. However, due to the transmission characteristics of light, the las...

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Problems solved by technology

[0004] To this end, the present invention provides a performance optimization processing method and device for a space optical communication system to optimize and solve the problem of low communication performance, high bit error rate, and even long-term operation of existing space optical communication systems in complex atmospheric environments such as rain, snow, clouds, and fog. When time communication is interrupted

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