The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get.
准椭圆函数滤波器的传输零点,可以位于阻带内的任意位置处,这能更加灵活地对滤波器的带外抑制度进行调节,其矩形系数可以做得很高。
In this paper, the change pattern of the cutting vibration signal during the transient processes and the effect of the parameters of band pass filter on the signal transmission are analyzed.
本文分析了切削振动信号在此过渡过程中的变化规律以及带通滤波器对信号传输过程的影响。
In addition, the stop-band rejection can be further increased by using elliptic filter function which has limited frequency transmission zeros.
另外,在函数类型上使用椭圆函数型,使带外出现有限频率传输零点,进一步提高了带外抑制能力。
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