According to the system bandwidth, the low pass filter was added in controller to assure the tracking effect of system and filter the super-high frequency in control singles.

根据系统的带宽，在控制器中加入低通滤波器，以保证系统跟踪效果，过滤控制信号中频率过高部分。

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The low pass nature of the optical systems used for the volume holographic storage system results in the presence of intersymbol interference (ISI) at the output of the system.

体全息存储系统中光学系统的低通的特性导致了输出的页内串扰。

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Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.

利用计算出来的速度反馈构成了速度闭环系统，并采用低通滤波方法减小误差，同时应用了零矢量调制控制法减小转矩脉动，提高了整个系统的控制性能。

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