Numerical Simulation Method for Measuring Instrument of Atmospheric Optical Parameters in Astronomical Siting
A technology of optical parameters and astronomical site selection, which is applied in the direction of electrical digital data processing, instruments, and special data processing applications, etc., to achieve the effect of large data throughput and high parallelism
Inactive Publication Date: 2017-05-17
NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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This method can solve: (1) provide a unified numerical simulation platform for the performance simulation of various astronomical optical turbulence measuring instruments; (2) realize numerical simulation performance comparison among more astronomical optical turbulence measuring instruments; (3) Improve the simulation speed and solve the bottleneck problem of simulation speed
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[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Such as figure 1 As shown, the present invention is mainly realized by the functions of a configuration parameter module, an operation plan module, an atmospheric optical turbulence remote sensing module and a data processing module, wherein the atmospheric optical turbulent remote sensing module includes an atmospheric optical module, an optical instrument module and a detector module. The specific composition of the above functional modules, such as figure 2 As shown below: The configuration parameter module includes target table, atmospheric optical turbulence information, optical instrument table, detector table, phase screen table, and other parameters; the target table includes the brightness and spectrum type of stars, the angular diameter of the moon and the sun, Brightness and spectrum; the atmospheric optical turbulence information includes th...
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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.
Description
technical field [0001] The invention relates to the field of atmospheric optics, in particular to a numerical simulation method for an astronomical siting atmospheric optical parameter measuring instrument. This method can be used to build a virtual experiment platform. On the one hand, it can simulate the actual working process of the atmospheric optical parameter measuring instrument for astronomical siting. On the other hand, it can numerically simulate the performance comparison among various astronomical optical turbulence measuring instruments. A comparison test is provided for reference. Background technique [0002] Astronomical site selection is one of the important fields in the development of the international astronomical community, and its theoretical research and measurement technology have developed rapidly in the past ten years. The purpose of astronomical site selection: to use small telescopes to obtain astronomical observation results, to actually test si...
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IPC IPC(8): G06F17/50
Inventor 戴松新陈华林
Owner NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE