To obtain better design results with equiripple error, we apply iterative reweighted techniques to the design of IIR digital filters.
为达到误差等波纹的设计结果，将迭代重加权技术应用到IIR滤波器的设计问题中。
The approximation method based on non-equiripple is an intermediary between equiripple approximation and maximally flat approximation. It is quite useful for filter design.
非等波纹逼近方法是最平坦逼近和等波纹逼近的一种中间形式，有其实用价值。
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