非差误差改正信息的大范围单历元网络差分方法The method of networks difference in large region on single epoch by un-differential error corrections
杨秋实,徐爱功,祝会忠,高猛
摘要(Abstract):
针对网络差分方法多采用双差模型,但双差模型在实现时不够灵活的问题,提出一种基于非差误差改正信息的大范围单历元网络差分方法。此方法能够克服双差网络差分模型的缺点,用户不需要选择一个参考站作为主参考站,更不需要主参考站的观测数据进行双差组合,从而减少了数据传输量,作业方式更加自由、灵活,且算法简单、作业范围大。大范围区域内的流动站用户利用非差误差改正数进行误差改正,然后可实现单历元网络差分定位。实验表明,该方法可完成大范围单历元网络差分定位,并能够得到分米级精度的定位结果。
关键词(KeyWords): 大范围;非差误差改正数;非差伪距观测值;参考站网;流动站用户
基金项目(Foundation): “863”计划项目(2014AA123101);; 辽宁省高等学校创新团队项目(LT2015013);; 国家自然科学基金青年基金项目(41504010)
作者(Author): 杨秋实,徐爱功,祝会忠,高猛
DOI: 10.16251/j.cnki.1009-2307.2017.09.019
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