gravitational anomaly

Preliminary study on the isostatic gravitational anomaly in the north of Northen China

华北北部均衡重力异常的初步研究

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Deep gravitational anomaly indicates that sedimentary structure plays a role of internal loads in compensation adjustment, and its formation is a deep process.

对深部重力异常的分析表明，华北沉积层的形成有深源性质，在均衡调节中起着一定的内载荷作用。

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For indeed it is a most poignant area of gravitational anomaly and thus time-space dimensional concentricity.

更确切说来这是一个重力异常最突出的一个地方，因此时空在维度上比较集中。

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Its gravitational field is on a density suddenchange belt of Bouguer anomaly isopleth.

重力场则处于布伽重力异常等值线疏密突变带上.

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The matched filtering method based on discrete cosine transform can improve accuracy and reliability of dividing gravitational and magnetic anomaly.

本文提出的基于离散余弦变换的匹配滤波方法，可以提高重磁异常划分的精确性和可靠性。

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It points out the feasibility that use matched filtering to conduct the frequency-division of cosine transform of gravitational and magnetic anomaly by correlating and analyzing the relationship of amplitude spectrum between cosine transform and Fourier transform of signal;

通过对比分析信号的余弦变换和傅里叶变换振幅谱关系，指出利用匹配滤波对重磁异常的余弦变换谱进行分频是可行的；

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Tt is suggested in this paper that the calculation of the gravitational anomaly is performed by boundary elements method, curvilinear integral is for 2-D object and surface integral for 3-D object.

本文提出用边界单元法计算重力异常，二维形体用线积分，三维形体用表面积分。

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The dislocating conditions and gravitational anomaly of the Tangshan ( M 7.8) and Gonghe ( M 7.0) earthquakes were also simulated for several points in this paper to probe the complexity of the space and intensity distributions of the earthquake precursor field.

此外，还对唐山地震、共和地震的重力资料作了几个测点的计算以探索地震物理前兆场空间和强度分布的复杂性。

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Under the condition of reliable GPS/ level data, boundary restriction to gravitational height anomaly model is made, which aims at weakening the system errors existing in the transform between gravity system and height system, achieving the system transform, improving precision of ultimate model.

在确保GPS/水准点成果可靠的前提下，用其对重力法计算所得的高程异常模型进行框架约束，以削弱重力系统与高程和坐标系统间的系统差，实现系统转换，提高最终模型的精度。

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The Einstein gravitational anomaly and gauge anomaly can be obtained from special cases of the general results.

所得普遍结果在特殊情况下给出通常的爱因斯坦引力反常和规范反常。

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Application of H_ ∞ Filter and Kalman Filter in Eliminating Gravitational Anomaly

H∞滤波和自适应卡尔曼滤波在消除重力异常畸变中的对比研究

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