| 随机振动环境实测数据无偏估计方法研究 |
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| 引用本文： | 李奇志,CHEN Guo-ping,陈国平,邓君.随机振动环境实测数据无偏估计方法研究[J].现代雷达,2011,33(2):70-72,77. |
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| 作者姓名： | 李奇志 CHEN Guo-ping 陈国平 邓君 |
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| 作者单位： | 1. 南京航空航天大学振动工程研究所,南京,211006;南京电子技术研究所,南京,210039
2. 南京航空航天大学振动工程研究所,南京,211006 |
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| 摘 要： | 已有的数据归纳方法中,极值包络法没有体现数据样本量和数据分布特性,文中依据人为给定置信度的统计容差法和改进的统计容差法给数据归纳的结果带来一定的偏差。文中依据正态分布下"累积频率函数"计算公式,结合参数的无偏估计理论,推导出给定概率下基于统计的与置信度无关的随机实测上限归纳方法,同时运用这一方法对国内某运输机机载雷达安装平台测量的数据进行处理,得到振动环境下实测归纳曲线。
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| 关 键 词： | 随机振动环境 实测 上限归纳方法 无偏估计 |
A Study on Unbiased Estimation Data Method of Field Measure in Random Vibration Environment |
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| CHEN Guo-ping.A Study on Unbiased Estimation Data Method of Field Measure in Random Vibration Environment[J].Modern Radar,2011,33(2):70-72,77. |
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| Authors: | CHEN Guo-ping |
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| Affiliation: | LI Qi-zhi1,2,CHEN Guo-ping1,DENG Jun1(1.Institute of Vibration Engineering Research,Nanjing University of Aeronautics and Astronautics,Nanjing 211006,China)(2.Nanjing Research Institute of Electronics Technology,Nanjing 210039,China) |
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| Abstract: | Among the used data induction method,the number and distribution of the data was not embodied in the traditional envelop limits method,some error in the result was drive in the use of statistic tolerance method and the amended method depended on the given confidence coefficient.In this paper,Based on the equation of cumulative of frequency function under the normal school,combining with the theory of unbiased evaluation,a new method being in dependent of the confidence of coefficient was derived for inducti... |
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| Keywords: | random vibration environment field measure upper limit induction method unbiased estimation |
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