徐爱功;刘韬;隋心;郝雨时;杨东辉;郭哲;王长强;

• 1:辽宁工程技术大学测绘与地理科学学院
• 2:武汉大学卫星导航定位技术研究中心

摘要(Abstract)：

针对低动态高抖动环境下,影响GPS/INS紧组合精度的重要因素——惯性测量单元(IMU)数据中的噪声,该文提出利用小波降噪方法分离IMU数据中的噪声和有用信号以提高GPS/INS紧组合的精度。首先对IMU数据进行小波分解后得到的高频系数进行阈值量化处理,然后将GPS观测数据与降噪后的IMU数据进行GPS/INS紧组合解算,最终得到载体的导航信息。实例结果表明,该方法可以大幅提升GPS/INS紧组合的精度和稳定可靠性。

关键词(KeyWords)： 低动态高抖动环境;小波降噪;GPS/INS紧组合

Abstract:

Keywords:

基金项目(Foundation): 国家“863”计划资助项目(2014AA123101);; 辽宁省教育厅创新团队项目(LT2015013);辽宁省教育厅科学研究一般项目(L2013141);; 地理空间信息工程国家测绘地理信息局重点实验室经费资助项目(201522)

作者(Authors): 徐爱功;刘韬;隋心;郝雨时;杨东辉;郭哲;王长强;

DOI: 10.16251/j.cnki.1009-2307.2018.02.001

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