| 偏振正交误差对偏振光导航定位系统测量精度的影响 |
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| 引用本文： | 黄旭锋,步扬,王向朝.偏振正交误差对偏振光导航定位系统测量精度的影响[J].中国激光,2011(1). |
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| 作者姓名： | 黄旭锋 步扬 王向朝 |
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| 作者单位： | 中国科学院上海光学精密机械研究所信息光学实验室;中国科学院研究生院; |
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| 基金项目： | 国家自然科学基金(60938003); 上海市启明星项目(08QB14005); 上海市科委国际合作研究项目(08520704200)资助课题 |
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| 摘 要： | 偏振正交误差是影响四通道时分复用大气偏振检测系统精度的主要因素。通过建立检偏器阵列偏振正交误差对偏振光导航系统定位精度的影响模型,分析了该误差对大气偏振测量精度与导航定位精度的影响,并进行了实验验证。理论与实验结果表明,降低检偏器阵列偏振正交误差,可以显著提高系统大气偏振测量精度与导航定位精度。当检偏器阵列偏振正交误差无法消除时,调整定位初始角可以明显提高系统测量精度与导航定位精度。
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| 关 键 词： | 测量 导航 偏振导航 误差 检偏器 |
Effect of Polarization Analyzers Perpendicular Error on Measurement Accuracy of Polarization Position System |
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| Huang Xufeng, Bu Yang Wang Xiangzhao.Effect of Polarization Analyzers Perpendicular Error on Measurement Accuracy of Polarization Position System[J].Chinese Journal of Lasers,2011(1). |
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| Authors: | Huang Xufeng Bu Yang Wang Xiangzhao |
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| Affiliation: | Huang Xufeng1,2 Bu Yang1 Wang Xiangzhao1(1Laboratory of Information Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China2Graduate University of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | Pattern measurement accuracy is mainly depended on polarization analyzers array perpendicular error.Based on a developed four-channel time division multiplexing skylight polarization measuring system,a polarization perpendicular error model is proposed.Effects of error on the measurement accuracy are analyzed theoretically and investigated experimentally.The results show that when the polarization perpendicular error is reduced,the measurement accuracy of skylight polarization patterns and system positionin... |
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| Keywords: | measurement navigation polarization navigation error polarization analyzers |
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