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主要介绍在数字信号处理上常用的设计IIR滤波器的方法——双线性变换法及其预畸变原理,并结合实例说明预畸变的应用。
This paper mainly introduces the method of designing IIR filter, which is commonly used in digital signal processing, and the principle of bilinear transformation and its pre-distortion. The application of pre-distortion is illustrated with examples.