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。
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.
为实现通带内频率响应平坦度高、滚降时间快的滤波效果，采用多环结构形成的高阶滤波器。
In order to achieve flatter tops and sharper rolloff in the passband, the multiple-ring higher order structure is employed.
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