低精度光纤陀螺随机误差的辨识与仿真Identification and simulation of Low-precise FOG random drifts errors simulation
刘英华,杨化超
摘要(Abstract)：
陀螺随机漂移是影响惯性导航和组合导航精度的重要因素。为了有效辨识出光纤陀螺随机漂移噪声的参数,采用了自相关函数、功率谱密度和Allan方差对实测陀螺数据进行分析。实验结果表明:自相关函数、功率谱密度和Allan方差都能有效辨识出陀螺输出信号中的角度随机游走噪声,只有Allan方差能辨识出其中的角速率随机游走噪声。Allan方差可以为光纤陀螺随机漂移建模提供参考。
关键词(KeyWords)： 光纤陀螺;随机漂移;Allan方差;功率谱密度
基金项目(Foundation):
作者(Author): 刘英华,杨化超
DOI: 10.16251/j.cnki.1009-2307.2012.06.002
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