Generally based on surveys of typical geological section, it can be determined that if the shortrange terrain correction of gravity exploration is necessary or not.
重力勘探的近区地形改正,一般通过典型剖面的试验来确定是否需要改正,并采用简易地改仪实测地形改正值。
Combined with the system state equation and the measurement equation, a new method of the cascade Kalman filter is proposed and applied to the correction of gravity anomaly distortion.
结合实际重力仪的系统状态方程和系统量测方程,提出了级联卡尔曼滤波方法,并将其应用于重力异常畸变信号的校正处理中。
Through calculating, analysing and comparing the real data measured in two regions, indeed, it is proved that precision of gravity data after temperature correction increased somewhat.
由两个测区的实测重力资料计算分析和对比,证明改正格值受温度影响后,重力资料的精度有所提高。
How to improve the accuracy of terrain correction in mountainous-district gravity survey is an important subject which people have paid close attention to.
在山区重力勘探中,如何提高地形改正的精度,一直是一个引人关注的重要课题。
In this paper, the accurate expression about the supplementary Angle of gravity terrain correction at the joint of the circle and square domain was derived and presented.
本文给出了重力测量中地形改正的补角(园域和方域接口处)地改值的精确表达式。
And its veracity is compared among the regulation correction and the center of gravity shifting correction by calculating the free surface influence of different shape of tank.
通过与规范的近似计算法的比较,阐述了不同方法对不同液舱形状进行自由液面修正时的准确程度。
Conventional methods fail to bring good processing result of gravity anomaly which has undergone terrain correction.
用常规方法对地改后的布格重力异常进行处理效果不佳。
Post Newtonian gravity correction to the acceleration of gravity in general relativity, produced by the sun and some planets, is calculated and discussed, and is compared with Newtonian tidal force.
计算和讨论了太阳和某些行星产生的广义相对论的后牛顿重力改正,并与牛顿引潮力进行了比较。
Based on analysing theoretical formula of normal gravity field of the earth, the author holds that the geodetic elevation of GPS survey might ha adopted for cavity altitude correction.
本文通过对地球正常重力场理论公式的分析,认为可以采用GPS测量的大地高进行重力高度改正。
Based on analysing theoretical formula of normal gravity field of the earth, the author holds that the geodetic elevation of GPS survey might ha adopted for cavity altitude correction.
本文通过对地球正常重力场理论公式的分析,认为可以采用GPS测量的大地高进行重力高度改正。
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