Audio Frequency Detection Technique of Casting Defects Based on Computer Sound Card and MATLAB;
基于计算机声卡和MATLAB的铸件缺陷音频检测技术
This article proposes electric motor examination system based on the computer sound card.
论文提出一种基于计算机声卡的电动机噪声检测新方案。
Combined the characteristics of the computer sound card and chose it as hardware,the paper proposed that the virtual instrument technology can be applied in students extra-curricular science and technology activities.
本文介绍了虚拟仪器的概念,结合计算机声卡的特点,选择计算机声卡为硬件支持,将虚拟仪器技术应用于学生课外科技活动,设计了一种信号发生器,在音频范围内实现了正弦信号的双通道输出。