GPS地震仪:PANDA软件测试结果与验证
|
摘要
介绍了基于PANDA软件的高采样率GPS数据非差精密定位方法,为了验证高采样GPS技术与地震仪观测结果的一致性,进行了震动平台模拟数据试验。试验结果表明,高采样GPS和地震仪均能有效地恢复平台震动位移和震动主频率。对2010年Baja地震实际观测的GPS和强震仪进行分析,结果表明,利用高采样GPS技术不仅能成功获取地震波信号;而且能同时获得地表永久形变信息;而地震仪只能获取地震波信息,而不能直接获得地表永久形变信息。
In this paper,high-rate GPS data are processed using the non-difference precise positioning technique in PANDA package.It has shown that the high-rate GPS processed results are consistent with seismometer observations.Furthermore,the simulated vibration data and real observing seismic data during the Baja earthquake on 4 April,2010 are employed to test its validation.The high-rate GPS data could successfully capture the consistent seismic wave signal and permanent offset of ground deformation,while seismometer could only obtain the seismic wave.
In this paper,high-rate GPS data are processed using the non-difference precise positioning technique in PANDA package.It has shown that the high-rate GPS processed results are consistent with seismometer observations.Furthermore,the simulated vibration data and real observing seismic data during the Baja earthquake on 4 April,2010 are employed to test its validation.The high-rate GPS data could successfully capture the consistent seismic wave signal and permanent offset of ground deformation,while seismometer could only obtain the seismic wave.
引文
[1]Larson K M.Using 1 Hz GPS Data to MeasureDeformations Caused by the Denali FaultEarthquake[J].Science,2003,300:1 421-1 424
[2]Shi Chuang,Lou Yidong,Zhang Hongping,et al.Seismic Deformation of the Mw 8.0 WenchuanEarthquake from High-rate GPS Observations[J],Advances in Space Research,2010,46(2):228-235
[3]Larson K M.GPS Seismology[J].Journal ofGeodesy,2009,83:227-233
[4]Zumberge J F,Heftin M B,Jefferson D C,et al.Precise Point Positioning for the Efficient and RobustAnalysis of GPS Data from Large Networks[J].Journalof Geophysical Research,1997,102(B3):5 005-5 017
[5]Liu Jingnan,Ge Maorong.PANDA Software andIts Preliminary Result of Positioning and OrbitDetermination[J].J Nat Sci Wuhan Univ 2003,8(2B):603-609
[6]Ge M,Gendt G,Dick G,et al.A New Data ProcessingStrategy for Huge GNSS Global Networks[J].Journalof Geodesy,2006,80(4):199-203
[7]方荣新,施闯,辜声峰.基于PPP动态定位技术的同震地表形变分析[J].武汉大学学报.信息科学版,2009,34(11):1 340-1 343
[8]赵齐乐.GPS导航星座及其低轨卫星的精密定轨理论和软件研究[D].武汉:武汉大学,2004
[9]楼益栋.导航卫星实时精密轨道与钟差确定[D].武汉:武汉大学,2008
[10]方荣新,施闯,魏娜,等.GPS数据质量控制中实时周跳探测研究[J].武汉大学学报.信息科学版,2009,34(9):1 094-1 097
[11]Blewitt G.An Automatic Editing Algorithm for GPSData[J].Geophysical Research Letters,1990,17(3):199-202
[2]Shi Chuang,Lou Yidong,Zhang Hongping,et al.Seismic Deformation of the Mw 8.0 WenchuanEarthquake from High-rate GPS Observations[J],Advances in Space Research,2010,46(2):228-235
[3]Larson K M.GPS Seismology[J].Journal ofGeodesy,2009,83:227-233
[4]Zumberge J F,Heftin M B,Jefferson D C,et al.Precise Point Positioning for the Efficient and RobustAnalysis of GPS Data from Large Networks[J].Journalof Geophysical Research,1997,102(B3):5 005-5 017
[5]Liu Jingnan,Ge Maorong.PANDA Software andIts Preliminary Result of Positioning and OrbitDetermination[J].J Nat Sci Wuhan Univ 2003,8(2B):603-609
[6]Ge M,Gendt G,Dick G,et al.A New Data ProcessingStrategy for Huge GNSS Global Networks[J].Journalof Geodesy,2006,80(4):199-203
[7]方荣新,施闯,辜声峰.基于PPP动态定位技术的同震地表形变分析[J].武汉大学学报.信息科学版,2009,34(11):1 340-1 343
[8]赵齐乐.GPS导航星座及其低轨卫星的精密定轨理论和软件研究[D].武汉:武汉大学,2004
[9]楼益栋.导航卫星实时精密轨道与钟差确定[D].武汉:武汉大学,2008
[10]方荣新,施闯,魏娜,等.GPS数据质量控制中实时周跳探测研究[J].武汉大学学报.信息科学版,2009,34(9):1 094-1 097
[11]Blewitt G.An Automatic Editing Algorithm for GPSData[J].Geophysical Research Letters,1990,17(3):199-202
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心