| 利用虚拟技术演示声波的拍现象 |
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| 引用本文： | 姜洪喜,任常愚,任敦亮,李海宝,金永君.利用虚拟技术演示声波的拍现象[J].大学物理实验,2010,23(2):61-62,81. |
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| 作者姓名： | 姜洪喜 任常愚 任敦亮 李海宝 金永君 |
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| 作者单位： | 黑龙江科技学院,黑龙江,哈尔滨,150027 |
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| 摘 要： | 将虚拟技术与多媒体计算机教学技术相结合，演示正弦波的拍现象。方法是用麦克风采集拍音信号输入到计算机中，利用频谱分析软件进行实时分析，同时将拍信号投影在大屏幕上，以使学生全面、直观地认识而掌握拍的概念。
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| 关 键 词： | 虚拟技术 拍 演示 |
Use Virtual Technology to Demonstrate Sound Wave Beat Phenomenon |
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| JANG Hong-Xi,REN Chang-Yu,REN Dun-liang,LI Hai-bao,JIN Yong-jun.Use Virtual Technology to Demonstrate Sound Wave Beat Phenomenon[J].Physical Experiment of College,2010,23(2):61-62,81. |
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| Authors: | JANG Hong-Xi REN Chang-Yu REN Dun-liang LI Hai-bao JIN Yong-jun |
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| Institution: | JANG Hong-Xi,REN Chang-Yu,REN Dun-liang,LI Hai-bao,JIN Yong-jun(Hei long jiang Institute of Science and Technology,Harbin 150027) |
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| Abstract: | The virtual and multimedia teaching technology are combined to demonstrate the sound wave beat phenomenon of sine wave.A microphone is used to collect the beat signal,The collected signal is then feed into a computer and analyzed by spectrum analysis software in real time.At last,the beat signal is projected onto a large screen so that all the students can see it clearly. |
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| Keywords: | virtual technology beat demonstrate |
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