Simultaneously, the second order notch filter and low-pass filter are designed to filter the second order rippled DC voltage signal.
同时，设计了用于牵引逆变器控制的二次数字陷波器以及低通滤波器滤除直流电压信号的二次脉动。
The repetitive control algorithm includes scalar gain of the reference input with a lead block in the signal generator. A second-order low-pass filter provides compensation in the controller.
该算法中在输入参考信号处直接增加一个比例增益环节，在信号发生器处串联一个超前的时滞环节，并且用一个二阶低通滤波器作为控制系统的补偿函数。
The estimator parameters selected properly was benefit to the reducing of the noise and error. In general, the damp ratio of the second-order low-pass output filter should be small.
滤波器参数对视线角加速度估计的消噪噪声和制导精度提高作用明显，一般宜采用低阻尼比的二阶低通滤波器。
The estimator parameters selected properly was benefit to the reducing of the noise and error. In general, the damp ratio of the second-order low-pass output filter should be small.
滤波器参数对视线角加速度估计的消噪噪声和制导精度提高作用明显，一般宜采用低阻尼比的二阶低通滤波器。
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