| PCI-9820高速数据采集卡在材料超声检测系统中的应用 |
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| 引用本文： | 杨党纲.PCI-9820高速数据采集卡在材料超声检测系统中的应用[J].材料工程,2006(10):56-59. |
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| 作者姓名： | 杨党纲 |
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| 作者单位： | 北京航空材料研究院,北京,100095 |
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| 摘 要： | 本研究采用最高采样率为120MS/s,采样精度为14位,PCI总线的高速A/D数据采集卡PCI-9820构造了数据采集模块,实现了数字超声检测系统中A扫描波形数字化、存储、处理功能.还介绍了采用WD-DASK和Microsoft Visual C 在Windows XP下的编程应用.
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| 关 键 词： | 超声检测系统 高速A/D数据采集 PCI总线 DMA 多线程 |
| 文章编号： | 1001-4381(2006)10-0056-04 |
| 收稿时间： | 2006-03-08 |
| 修稿时间： | 2006-05-08 |
Application of PCI-9820 High Performance Data Acquisition Card in Ultrasonic Detection System for Materials |
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| YANG Dang-gang.Application of PCI-9820 High Performance Data Acquisition Card in Ultrasonic Detection System for Materials[J].Journal of Materials Engineering,2006(10):56-59. |
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| Authors: | YANG Dang-gang |
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| Affiliation: | Beijing Institute of Aeronautical Materials, Beijing 100095, China |
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| Abstract: | PCI-9820 data acquisition card has up to 120MS/s sampling rate,14-bit A/D resolution,based on PCI bus,and was applied in digital ultrasonic detection system,completed function of data acquisition model.A scan wave could be digitized, saved and processed.Creating Windows XP data acquisition application using WD-DASK and Microsoft Visual C++ was introduced. |
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| Keywords: | ultrasonic detection system high performance A/D data acquisition PCI bus DMA mul tithreading |
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