Aiming at the high filtration efficiency approaches, the paper analyzed the effect of gas velocity and shape of channel on filter efficiency by numerical simulation.

该文以探讨高效的过滤途径为目的，通过数值模拟的方法，分析了不同的气流速度和不同的通道形状对陶瓷过滤器除尘效率的影响。

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Nowadays, file system filter driver is one kind of technology means, which is stable, high-effect, reliable for solving the security problem of files.

文件系统过滤驱动技术是解决文件安全性问题的一种稳定、高效、可靠的技术实现手段。

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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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