| PCI-1002数据采集卡的音频定向实验测试系统设计 |
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| 引用本文： | 李野,吴亚锋,覃燕.PCI-1002数据采集卡的音频定向实验测试系统设计[J].火力与指挥控制,2009,34(4). |
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| 作者姓名： | 李野 吴亚锋 覃燕 |
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| 作者单位： | 西北工业大学数据处理中心,陕西,西安,710072 |
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| 摘 要： | 应用PCI-1002数据采集卡设计并实现了一套音频定向数据采集分析系统.利用VC++和Matlab联合编程设计了控制PCI-1002卡对检测信号进行数据采集及处理分析的程序.详细地介绍了音频定向传播的组成原理、工作过程以及具体的指向性检测方法.实验证明该系统可以实时显示音频定向实验中各测点声压值及指向分布图,很好地满足了音频定向实验的实际需求,同时结构简单,成本低廉,具有明显的实用性.
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| 关 键 词： | 数据采集 测试 音频定向 |
Design and Implement of Audio Orientation Experiment Testing System based on PCI-1002 Card |
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| LI Ye,WU Ya-feng,QIN Yan.Design and Implement of Audio Orientation Experiment Testing System based on PCI-1002 Card[J].Fire Control & Command Control,2009,34(4). |
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| Authors: | LI Ye WU Ya-feng QIN Yan |
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| Institution: | Data Processing Centre;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | An audio orientation experiment testing system is design and implement based on PCI-1002 card.Use VC++ and Matlab programmed to control PCI-1002 card in data acquisition and processing.The principle,the process and the testing method of audio orientation is introduced in detail.The system can show sound pressure level and antenna distribution figure of each measuring points in real time.This system fulfils the audio signal orientation propagate experiment requests,at the same time it briefness,cheapness and... |
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| Keywords: | wdata acquisition testing audio orientation |
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