多路复用器
计算
多项式的
算法
代表(政治)
计算机科学
滤波器(信号处理)
双精度浮点格式
数学
应用数学
多路复用
数学分析
电信
政治
政治学
法学
计算机视觉
作者
Ping Zhao,B. Liu,Matteo Oldoni,Yue Yang
标识
DOI:10.1109/lmwt.2023.3349133
摘要
One major obstacle in filter and multiplexer synthesis is the challenge of accurately solving the Feldtkeller equation to compute the common denominator polynomial. In general, the numerical error can be detrimental to the direct computation using double floating precision when the network order exceeds 24. This letter introduces an iterative computational method for enhancing accuracy in solving the Feldtkeller equation without requiring extended precision in number representation. The proposed approach allows for the synthesis of high-order general asymmetric filters and multiplexers without the restriction of placing the reflection zeros (RZs) solely on the imaginary axis. Experimental results demonstrate the method’s ability to accurately compute equi-ripple filter and multiplexer characteristics with degrees up to 39.
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