用宽带噪声分离声强测量系统相位误差的实验研究  

Experimental Research on Separated Phase Error from Sound Intensity Measurement System

作　　者：陈剑[1] 陈心昭[1] 甘长胜 

机构地区：[1]合肥工业大学动态测试中心,合肥市230009

出　　处：《仪表技术与传感器》1999年第9期33-35,共3页Instrument Technique and Sensor

基　　金：国家自然科学基金

摘　　要：】讨论了使用宽带噪声分离声强测量系统相位误差的实验技术，它可方便地将传声器、前置放大器、测量放大器等环节的相位不匹配误差进行分离测量。所给测量方法实用、操作简单、方便。In this paper,the experimental method is discussed that the phase errors of acoustical intensity measuring system are separated by use of pink noise.It can conveniently distinguish the errors of intensity probe,preamplifier,measuring amplifier and so on.The method is practical and simple.

关 键 词：声强测量 宽带噪声 误差分离 相位误差 传感器 

分 类 号：TB52[理学—物理]