利用基于声卡的虚拟示波器测定可闻声速  

Application of Virtual Oscillograph based on Sound Card in Measuring Speed of Heard Sound

作　　者：杨学锋[1] 

机构地区：[1]德州学院物理系

出　　处：《微计算机信息》2008年第10期196-197,共2页Control & Automation

基　　金：山东省教育厅实验技术研究项目(2005225)

摘　　要：利用基于声卡的虚拟示波器v0.94测定可闻声速,结果精确,一台PC同时实现了数字存储示波器和信号发生器的功能,是经典物理实验现代化的有益尝试。Using virtual oscilloscope V0.94 based on sound card can measure speed of sound that can be heard, and the result is exact. Only a personal computer can realize the functions of digital storage oscilloscope and signal generator. It is a beneficial try of modernization of classical physics experiment.

关 键 词：虚拟示波器 声卡 声速 

分 类 号：TM935.3[电气工程—电力电子与电力传动]