If your vehicle is used in extremely dusty conditions you can choose to equip the winch cooling fan with a high performance filter.
如果您的车辆使用条件极为尘土飞扬，你可以选择装备绞盘冷却风扇的高性能过滤器。
Quasi elliptic filer is a novel high performance filter. Due to its complicated prototype and poor efficiency to extract parameter with classic method, its application has been confined.
准椭圆函数滤波器是一种新型的高性能滤波器形式，但是由于其原型电路的形式比较复杂，用经典综合的方法提取其参数的效率很低，限制了这种形式滤波器的应用。
Filter performance has a significant effect on ranging accuracy of frequency modulation fuze. It is difficult to design high-performance filter directly, and it has poor real-time property.
滤波器性能对调频定距引信测距精度有重要影响，直接设计高性能滤波器实现困难且实时性差。
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