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采用异色视亮度匹配法,在9个网膜照度水平和10°视场条件下获得了中间视觉光谱光效率函数。在每一网膜照度水平下,都按10nm的间隔,测量400～730nm波长范围的光谱光效率函数。共获得了26名观察者的数据。
Using the method of heterochromatic brightness matching, the intermediate visual spectral optical efficiency function was obtained under the conditions of 9 retinal illumination levels and 10 ° field of view. At each level of retinal illumination, the spectral optical efficiency of the wavelength range of 400-730 nm was measured at 10 nm intervals. A total of 26 observers data was obtained.