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修改时间 01-16-2017 12:55 AM
我采集数据时买了一块减法计数器,就是当门控信号为高电平时开始减一计数,我从采集卡得到的数据如果用波形图表示就是楼梯的曲线,如下图,我知道N1-N值就是我需要的时间,可是如何制作这个程序?这是问题一,问题二,我做数据采集时,想实现这样一种功能如何实现,功能,采集得到的数据保持1秒不变,或者波动小于10%,我就认为这个值是我需要的,放入一个数组中,波动太大我就认为是我这个数据是错的,我就舍弃,数组不变,或者还是放入上次的数值应该怎么做。
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