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Analysis on influence of tropospheric delay in river valley area on GPS short baseline resolution
Author(s): 
Pages: 60-62
Year: Issue:  20
Journal: Yangtze River

Abstract: 在GPS短基线解算中,一般是通过双差处理的方法来消除或消弱大部分的误差影响.由于河谷地区的水汽分布不均匀,采取双差处理方法虽然消除或消弱了大部分的误差影响,但并不能很好地消弱河谷地区对流层延迟对GPS短基线解算的影响.通过实例分析了河谷地区经双差处理后的GPS基线所受到的对流层残余误差的影响,并总结了河谷地区对流层延迟影响对GPS观测影响的特点.
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