星模拟器多色温模拟技术研究

Research on multi-color temperature simulation for star simulator

针对星模拟器对多色温模拟的需求,提出了一种星模拟器多色温模拟方法。结合由氙灯和卤钨灯组成的宽光谱光源灯阵,分析了不同波段数据和不同波段带宽数据变化对色温的影响。基于多项式的拟合方法,利用遗传算法实现了色温模拟的反馈控制,实现了在350~900 nm光谱范围内对3900 K、4800 K、6500 K色温的光谱模拟,满足了星模拟器对多色温的模拟要求。

Aiming at the simulation requirement for multiple color temperatures of a star simulator,a simulation method of multiple color temperatures for a star simulator is put forward. Then,the influence of data and bandwidth data of different wave bands on color temperatures is analyzed with a combination of a broadband spectroscopic light source lamp array which is consisted of xenon lamps and halogen tungsten lamps. On the basis of polynomial fitting method,feedback control of color temperature simulation is realized by utilizing genetic algorithm. Therefore,spectrum simulation of 3900 K,4800 K and 6500 K color temperature within the spectral region between 350 nm and 900 nm is realized,which satisfies the simulation requirement for multiple color temperatures of a star simulator.