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为了提高基于彩色电荷耦合器件三基色的温度图像检测方法的准确性,提出了一种电荷耦合器件三基色代表波长的试验测定方法,通过加装滤色片获得不同波长下黑体炉的单色图像,根据对图像中的三基色值和相应单色辐射强度的分析来测定其代表波长,对3种不同型号的电荷耦合器件试验检测,结果表明代表波长只与电荷耦合器件成像技术有关,不会随温度、电荷耦合器件设置改变而变化.根据测定的波长和国际照明委员会指定的波长,对煤粉燃烧火焰的温度计算表明两者相差6.34%.
In order to improve the accuracy of the temperature image detection method based on the three primary colors of the CCD, a method for the determination of the three primary colors of charge-coupled device is proposed. The color filter is used to obtain monochromatic images of blackbody furnaces at different wavelengths , According to the image of the three primary colors and the corresponding monochromatic radiation intensity analysis to determine its representative wavelength, the three different types of charge-coupled device test test showed that the representative wavelength only with charge-coupled device imaging technology, not Depending on the wavelength and the wavelength specified by the International Commission on Illumination, the temperature of the pulverized coal combustion flame shows a difference of 6.34%.