The text exercises AR model in acoustic environment modeling, through analzsis and experiment fines the best steps of AR model, and discusses AR model descending steps method.

• 文中将 AR模型运用于声学环境的建模之中 ,通过分析与实验的方法寻求 AR模型的最佳阶数 ,并对 AR模型的降阶进行了讨论