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在颜色测量中,各种色敏传感器产生的微弱光电流,首先经预处理转换成相应的电压信号,然后输入微机计算出各颜色参量.预处理电路的性能是决定测色精度的关键.本文
In the color measurement, the weak photocurrent generated by various color-sensitive sensors is firstly converted into the corresponding voltage signal by pretreatment and then input into the microcomputer to calculate each color parameter.The performance of the preprocessing circuit is the key to determine the color measurement accuracy.