The back of the FIR filters design, to acquire limited long unitsampling response, need to use the window function truncation infinite long unitsampling response sequence.
后面的FIR 滤波器的设计中，为获得有限长单位取样响应，需要用窗函数截断无限长单位取样响应序列。
2
The unit which consisted of two peristaltic pumps and a multi function sampling valve was controlled by a single chip microprocessor.
该仪器采用二泵一阀系统，由单片机控制，具有双路信号实时采集和数据处理功能。
3
Ac sampling measurement unit has better accuracy and stability as the online measuring instrument of the electrical parameters of power network.