• In dealing with the gravity data of some basin, obtain the residual gravity anomaly applying finite element method.

    盆地重力资料处理中,有限元插值分离该区的局部重力异常

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  • So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.

    所谓重力异常线性构造信号就是重力异常水平梯度沿重力方向阶导数大于零值一部分。

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  • From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.

    根据外空扰动重力地面数据分辨率及其覆盖范围之间的关系重力异常分成不同频段、不同分辨率分别计算截断误差

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  • Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced.

    推导球体无限长水平圆柱体无限有限延伸垂直台阶重力异常余弦变换反演表达式

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  • The main task is to research relation of all kinds of fault models fault positions and gravity anomaly linear structure signal maximum positions.

    主要任务研究各种断裂模型断裂位置重力异常线性构造信号极大值位置之间对应关系

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  • Isostatic gravity anomaly shows the character of middle - short wavelength, reflects unbalance of crust and upper mantle and dynamical character of substance adjusting.

    均衡重力异常显示出中短波长特性反映地壳地幔物质分布失衡物质调整动力学特征

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  • Comparison of the Bouguer gravity anomaly map with geological map shows that the local negative gravity anomaly is caused by the Linglong granitic complex.

    重力异常地质图对比表明,本区局部重力异常主要玲珑花岗岩体引起的。

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  • For a surveyed gravity anomaly, the combination of some squares is taken as the initial model.

    对于一个实测重力异常先用若干方格组合作为初始模型

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  • The forth derivative of gravity anomaly can be obtained by Taylor series expansion of gravity field.

    利用重力场泰勒级数展开式重力异常导数

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  • With this system one can compute the values of free-air gravity anomaly, Bouguer gravity anomaly and isostatic gravity anomaly.

    这个系统可以计算自由空间重力异常,布格重力异常均衡重力异常值

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  • The altimetry free air gravity anomaly can describe structure and basin on continental shelves, and its derived submarine topography contains lots of submarine tectonic information.

    空间重力异常也可刻画陆架构造盆地分布由其推算出海底地形含有大量海底构造信息

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  • Therefore, the deep sources producing the regional anomalies should be understood during using the method to process observed gravity anomaly.

    因此应用方法处理实测重力资料必须首先了解引起区域重力异常的场情况。

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  • Third, partial gravity anomaly before earthquake was not obvious because stress action pattern was left-slip movement of horizontal.

    由于震源区应力作用方式是以水平为主走滑运动局部重力异常显著

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  • 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系统方程提出级联卡尔曼滤波方法将其应用重力异常畸变信号校正处理中。

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  • In the process, complete orthogonal wavelet function system with good symmetry and higher vanishing moments was selected to decompose the gravity anomaly into two parts.

    计算选用具有正交完备并有较好对称性较高消失小波函数重力异常分解部分

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  • Isostatic gravity anomaly shows middle-short wavelength character, reflects mass distribution imbalance and mass adjust dynamical character in crust and upper-mantle.

    均衡重力异常显示出中短波长特性反映的是地壳地幔物质分布失衡物质调整动力学特征

    dict.cnki.net

  • Using this method, people can eliminate effectively the gravity influence of terrain changes and inhomogeneous lithology on surveying points to obtain credible gravity anomaly data.

    使用方法可以比较好地消除地形起伏不均匀岩性测点产生的重力影响从而得到比较可信重力异常数据

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  • Our discussion shows that this is not sufficient, and some approximate formulas for second vertical derivative of gravity anomaly on two-dimensional body are proposed in two ways.

    本文的讨论表明这种做法是可取的,两种途径提出体重异常铅垂二阶导数计算公式

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  • The residual gravity anomaly was mainly produced by rolling basement of the basin and the regional gravity anomaly by the Moho rolling.

    推断引起剩余重力异常主要原因盆地基底起伏引起区域重力异常主要原因莫霍面起伏

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  • The boundary integration of the gravity anomaly is derived from the gravitational potential by using Gre'en's formula.

    木文引力出发,利用格林公式导出重力异常边界积分表达式

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  • The generalized definition of gravity anomaly is given, and various gravity corrections, corresponding gravity anomalies and their geo- physical meanings are also expounded in the paper.

    本文给出重力异常广义定义并进一步阐述了各种重力校正相应重力异常定义及其地球物理意义

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  • A type of positive gravity anomaly that results from the presence of a dense cap rock overlying a relatively low-density salt dome.

    重力异常相对密度致密岩石引起的。

    www.infopetro.com.cn

  • Deducting topography - isostatsy compensation gravity and geoid anomalies from free air gravity anomaly and surveyed geoid anomaly, we can obtain isostatic gravity anomaly and isostatic geoid anomaly.

    观测大地水准异常自由空气重力异常扣除地形-均衡补偿大地水准面、重力异常可以得到均衡大地水准面异常均衡重力异常

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  • In the genesis stage of an earthquake, regional gravity anomaly appears in a large area, resulting in related local gravity anomaly.

    地震孕育发生阶段重力场出现较大范围区域性重力异常并产生地震孕育发生有关局部重力异常区

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  • The calculation shows that the increase of heat gradient, over the depth of isostasy, will cause the negative gravity anomaly.

    定量计算表明,在均衡深度以上,局部地壳地热梯度增加产生重力异常

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  • As the second derivative does, the forth, derivative of gravity anomaly projects local anomaly but suppresses regional anomaly.

    重力异常导数重力异常二次导数一样,具有突出局部异常压制区域异常作用。

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  • The disturbing gravity is calculated easier than the gravity anomaly.

    扰动重力重力异常更易于重力场计算

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  • The disturbing gravity is calculated easier than the gravity anomaly.

    扰动重力重力异常更易于重力场计算

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