Numerical simulation method of astronomical site selection atmospheric optical parameter measurement instrument

Provided is a numerical simulation method of an astronomical site selection atmospheric optical parameter measurement instrument. A configuration parameter module, a light wave atmospheric transmission model, an optical instrument physical model, a detector model, a data processing module and an operation scheme module are arranged; a simulation input condition is configured in the configuration parameter module; an optical instrument tracks objects; a command stream control file is programmed in the operation scheme module; operation starts, and an atmospheric optical module, an optical instrument module, a detector module and the data processing module are executed; an accelerating algorithm is designed for the modules; a major control logical algorithm is achieved on a CPU, and a high-parallelism large-data-throughout algorithm is achieved on a GPU. The method has expandability, a virtual experiment platform can be erected, performance comparison between astronomical site selection atmospheric optical turbulence measurement instruments is achieved through numerical simulation, the accelerating algorithm is designed to achieve real-time simulation of the turbulence measurement instruments, and the major control logical algorithm is achieved on the CPU of a computer.