| 基于PCI04的失真度测量仪设计与实现 |
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| 引用本文： | 袁晓峰,许化龙,陈淑红.基于PCI04的失真度测量仪设计与实现[J].宇航计测技术,2004,24(2):29-33. |
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| 作者姓名： | 袁晓峰 许化龙 陈淑红 |
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| 作者单位： | 1. 第二炮兵工程学院,西安,710025
2. 第二炮兵装备研究院第三研究所,北京,100085 |
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| 摘 要： | 介绍了基于PC104的失真度测量仪的数字化测量原理、硬件设计方案和软件流程。根据被测信号的不同特点,文中提出了基于准同步法、曲线拟合法和数字陷波滤波法的失真度测量方案,以提高失真度的测量准确度。
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| 关 键 词： | 失真度测量 PC104 准同步采样 曲线拟合法 数字陷波滤波法 |
| 文章编号： | 1000-7202(2004)02-0029-05 |
| 修稿时间： | 2003年8月7日 |
Design and Realization of Signal Distortion Measurement Instrument Based on PC104 |
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| YUAN Xiao-feng,XU Hua-long,CHEN Shu-hong.Design and Realization of Signal Distortion Measurement Instrument Based on PC104[J].Journal of Astronautic Metrology and Measurement,2004,24(2):29-33. |
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| Authors: | YUAN Xiao-feng XU Hua-long CHEN Shu-hong |
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| Abstract: | The digitized measurement principle, hardware scheme and software flowchart of PC 104-based distortion measurement instrument are introduced in this paper. A measurement scheme, which is comprised of quasi-synchronous sampling method, curve-fit method and digitized notch filtering method, is proposed according to the features of signal under test, and measurement accuracy is improved by this means. |
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| Keywords: | Distortion measurement PC104 Quasi-synchronous sampling Curve-fit method Digital notch filtering method |
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