天坛回音壁声学现象的首次试验测试及初步分析

The First Test and Analysis for Acoustical Effect of the Echo Wall in the Temple of Heaven

本文首次对天坛回音壁的声学现象进行了实验测试和初步分析，揭开了回音壁回声现象之谜。

in this paper, we will give test and analysis of acoustical effect of the echo wallfor the first time in the Temple of Heaven, Thus flaier reveal the mystery of the Echo wallin the Temple of Heaven.