| 基于虚拟仪器的声场可视化系统 |
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| 引用本文： | 李加庆,陈进,刘先锋,薛伟飞,陈延太.基于虚拟仪器的声场可视化系统[J].计算机工程与应用,2006,42(24):219-221. |
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| 作者姓名： | 李加庆 陈进 刘先锋 薛伟飞 陈延太 |
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| 作者单位： | 上海交通大学振动、冲击、噪声国家重点实验室,上海,200240;上海交通大学振动、冲击、噪声国家重点实验室,上海,200240;上海交通大学振动、冲击、噪声国家重点实验室,上海,200240;上海交通大学振动、冲击、噪声国家重点实验室,上海,200240;上海交通大学振动、冲击、噪声国家重点实验室,上海,200240 |
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| 基金项目： | 国家自然科学基金;日本Fujitec公司资助项目 |
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| 摘 要： | 基于虚拟仪器技术设计与实现了一种用于声场可视化的声信号采集与处理系统。该系统的功能包括声压信号采集和预处理,加载重建算法进行声场重建以及结果的可视化表示。系统硬件部分包括传声器阵列、数据采集卡和控制计算机。软件设计应用虚拟仪器的概念,并采用LabVIEW和MATLAB混合编程。通过实验测试,验证了该系统的实用性。
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| 关 键 词： | 数据采集与处理 声场重建 声场可视化 虚拟仪器 |
| 文章编号： | 1002-8331-（2006）24-0219-03 |
| 收稿时间： | 2006-07 |
| 修稿时间： | 2006-07 |
An Acoustic Field Visualization System Based on Virtual Instruments |
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| Li Jiaqing,Chen Jin,Liu Xianfeng,Xue Weifei,Chen Yantai.An Acoustic Field Visualization System Based on Virtual Instruments[J].Computer Engineering and Applications,2006,42(24):219-221. |
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| Authors: | Li Jiaqing Chen Jin Liu Xianfeng Xue Weifei Chen Yantai |
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| Affiliation: | State Key Lab of Vibration,Shock and Noise Shanghai Jiaotong University,Shanghai 200240 |
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| Abstract: | The design and implementation of an acoustic signal acquisition and processing system used for acoustic field visualization is presented in this paper.Its functions include acoustic signal acquisition and pre-processing,reconstruction of acoustic field with a particular algorithm and visualization of results.Its hardware is consisted of a microphone array, data acquisition cards and a PC.The concept of virtual instruments is adopted in the software design.The software is developed under the platforms of LabVIEW and MATLAB The utility of this system is tested with experiments. |
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| Keywords: | data acquisition and processing acoustic field reconstruction visualization of acoustic field virtual instruments |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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