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本文阐述了滤波器的最新设计技术即频率变换量设计方法,这种方法旨以改进数值条件和解决滤波器设计的近似问题。文中详细介绍了变换变量在综合过程各步骤中的应用,并据以编写出了通带等波动的高低通滤波器的完整的计助设计程序。当所要求的衰减响应输入计算机后,就可以得到所需的网络结构、衰减响应和时延特性的数据输出。
This paper describes the latest design technique of filter, that is, the design method of frequency transformation. This method aims to improve the numerical conditions and solve the approximate problem of filter design. In this paper, the application of transformation variables in each step of the synthesis process is introduced in detail, and a complete design plan of the high and low pass filters such as the passband is compiled accordingly. When the desired attenuation response is input to the computer, the desired data output of the network structure, attenuation response and delay characteristics is obtained.