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驻波管法测定材料的声阻抗是一种常用和可靠的方法.但一般它要一个移动的换能器,使能测出管中的驻波比.本文是用二个换能能器,可测出管内和管端的声阻抗以及其它声传输参量.
双换能器法测定管内声阻抗
【摘 要】
：
驻波管法测定材料的声阻抗是一种常用和可靠的方法.但一般它要一个移动的换能器,使能测出管中的驻波比.本文是用二个换能能器,可测出管内和管端的声阻抗以及其它声传输参量.
【机 构】
：
南京大学声学研究所近代声学国家重点实验室(南京)
【出 处】
：
2004全国物理声学会议
【发表日期】
：
2004年10期
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