中文说明：
《高阶谱分析》例题5.4，根据零极点分布建立传递函数，求解冲击响应和系统输出，求解高阶矩或累计量，计算倒谱参数。
English Description：
In example 5.4 of higher order spectrum analysis, transfer function is established according to zero pole distribution, shock response and system output are solved, higher-order moment or cumulant is solved, and cepstrum parameters are calculated