| 一种复合采样数据处理方法在转台控制系统动态测试中的应用 |
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| 引用本文： | 郭海东.一种复合采样数据处理方法在转台控制系统动态测试中的应用[J].航空精密制造技术,2004,40(1):41-43. |
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| 作者姓名： | 郭海东 |
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| 作者单位： | 北京航空精密机械研究所,北京,100076 |
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| 摘 要： | 简要介绍了用计算机实现数字化测试转台控制系统频率特性的原理和离散傅里叶变换频谱泄漏产生的原因,然后针对正弦稳态测试,采用了一种调整采样周期和匹配采样长度的复合数据处理算法。通过仿真分析,此法能有效减小泄漏误差的影响、提高测试精度,且简单易行。
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| 关 键 词： | 转台 动态测试 频谱泄漏 采样 |
| 文章编号： | 1003-5451(2004)01-0041-03 |
| 修稿时间： | 2003年11月24 |
Application of a Sampling Data Processing Method for Rotary Table Control System in Dynamic Testing |
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| GUO Hai-dong.Application of a Sampling Data Processing Method for Rotary Table Control System in Dynamic Testing[J].Aviation Precision Manufacturing Technology,2004,40(1):41-43. |
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| Authors: | GUO Hai-dong |
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| Abstract: | The principle of testing the dynamic performance infrequency domain of rotary table control system by computeris described and the causes of spectrum leakage by dispersion Fourier transform are introduced. For sine wave steady testing, a method based on adjusting the sampling period and matching the sampling time length is used. Simulation results show that it is effective for decreasing leakage error, improving precision and realizing easy operation. |
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| Keywords: | rotary table dynamic testing spectrum leakage sampling |
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