filter attenuation band的意思|示意

Band stop filter made with this structure has narrow gap and steep attenuation.

利用该结构制作的带阻滤波器，阻带窄、衰减陡峭。

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。

The high-order multi-band-pass FIR filter designed with this algorithm is featured by big attenuation in stop-band and small ripple in pass-bands.

用该算法设计的高阶多通带滤波器，其幅频响应的阻带衰减很大，而通带波动很小。