It is simple in use and its computation amount is about no more than that of a 4 point FIR DF.
该方法计算简单，计算量仅相当于4点fir数字滤波器的计算量。
The information of the modification of the electric system and the brake equipment of DF 4 locomotive, and their operation, were provided.
文中介绍了机车电气系统和制动系统的改造以及操作应用情况。
The information of the modification of the electric system and the brake equipment of DF 4 locomotive, and their operation, were provided.
文中介绍了机车电气系统和制动系统的改造以及操作应用情况。
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