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���ھ�������ʵ��۲�ȶ� 总被引:2,自引:0,他引:2
???FG5???????????????????????2008??1?????й??????????о?????3053????????????????????????о?????????????????FG5-214??FG5-232???н???????????????????????????????????????н????????????????????????????????????2~3????10 -8 ms -2?? 相似文献
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�ɶ���̨������������������ 总被引:16,自引:7,他引:9
2007??4???2008??6?£???FG5/232??FG5/214????????????????????????????????????????5?ξ???????????????ι????????????С???2??10 -8 ms -2??????t??????????????????????С???????????????????????????????????????2007??12????????????2007??4??????5??10 -8 ms -2?????????????????????仯?????????????????????????????δ????? 相似文献
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介绍了2013~2014中国大陆构造环境监测网络的基本情况及西部地区绝对重力观测的情况,并对观测结果进行分析。结果表明,成果稳定性良好,89.5%的成果观测精度优于±5.00μGal,能够满足"陆态网络"的技术要求。 相似文献
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???FG5????????????й?????????????????12?????????????????????????????????????????????????5??10 -8 ms -2??????????????峱????????????????????FG5??????????????Ms6.0??????????? 相似文献
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现有的固体潮和海洋负荷潮的模型用于岛礁重力测量的改正时,会产生较大的误差。利用短时间的重力观测数据建立测站的潮汐模型,可以明显地改善测站的潮汐模型,提高重力测量结果的精度,该方法可用于绝对和相对重力测量的潮汐改正。重力梯度同步观测方案不需要进行潮汐改正就可获得重力梯度,故不受潮汐模型误差的影响。 相似文献
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Gravity measurement is of great importance to the height datum in Antarctica.The absolute gravity measurement was carried out at Great Wall Station,Antarctica,using FG5 absolute gravity instrument.The gravity data was processed with corrections of earth tide,ocean tide,polar motion and the atmospher,and the RMS is within ±3×10-8 ms-2.The vertical and horizontal gravity gradients were measured using 2 LaCoaste & Romberg(LCR) gravimeters.The absolute gravity measurement provides the fundamental data for the validation and calibration of the satellite gravity projects such as CHAMP,GRACE and GOCE,and for the high accuracy geoid model. 相似文献
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�й����������ǵڶ��αȶԲ��� 总被引:3,自引:0,他引:3
??????????(CMONOC)?????????μ???????????????????????????????????????б???????????????????????????????????????????????????????????????????ο??????2013-06??????λ??????????????人4????????????????б??????????,??????????????????±2×10-8ms-2?????????CMONOC????????????????? 相似文献