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基于距震源100 km内的8个GDCORS的基准站观测数据,采用静态数据后处理的模式进行CORS框架坐标变化分析。分析结果表明,本次东源地震对GDCORS框架未构成明显影响。研究高频GPS观测数据的逐历元处理方法,并基于距震源约30 km的2个基准站的1 s采样率数据进行同震位移分析尝试。
Based on the observational datum of 8 GDCORS within 100 km from the source, the CORS framework coordinate changes were analyzed by using the static data post-processing model. The analysis shows that the East China Earthquake did not have a significant impact on the GDCORS framework. The epicenters approach to high-frequency GPS observations was studied and coseismic displacement analysis was attempted on the basis of 1 second sampling rate data from two reference stations of about 30 km from the source.