This paper introduces the principle of a digital dust measuring instrument and expounds the signal management system of the instrument.
文章介绍了一种应用于电厂输煤系统的数字式粉尘测试仪的设计原理，并着重阐述了测试仪中的信号处理系统。
Measuring signal of spring-classifying instrument is processed using a digital filter and data acquisition block which based on PC, many interferences are effectively eliminated.
用基于PC机的数据采集卡及数字滤波器对弹簧分选仪检测信号进行处理，有效消除了各种干扰；
Measuring signal of spring-classifying instrument is processed using a digital filter and data acquisition block which based on PC, many interferences are effectively eliminated.
用基于PC机的数据采集卡及数字滤波器对弹簧分选仪检测信号进行处理，有效消除了各种干扰；
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