利用残余声强校正双传声器声强测量系统相位不匹配误差的研究  

The rescarchof correcting the phase error of two microphone sound intensity measurement system using residual intensity

作　　者：陈心昭[1] 李登啸[1] 刘征字 叶宗才 

机构地区：[1]合肥工业大学

出　　处：《仪器仪表学报》1995年第2期130-134,共5页Chinese Journal of Scientific Instrument

基　　金：国家自然科学基金

摘　　要：本文讨论了利用残余声强法校正双传声器声强测量相位误差的基本原理，推导了两通道增益不匹配时的标定因子表达式。用实验证明了该方法方便、有效。Abstract This Paper discusses the background of correcting the phase error of twomicrophone sonud intensity measurement by using residual intensity. and deduces the cali-brating factor expression of the gain mismatch.Experiment results show that the method isverv convinient and effective.

关 键 词：残余声强 校正 传声器 声强测量系统 误差 

分 类 号：TN641[电子电信—电路与系统]