Which coincide with the mean sea level surface is the geoid.
其中与平均海平面重合的面就是大地水准面。
The local refined Quasi-Geoid has been constructed in several regions and widely applied.
区域精化似大地水准面在全国多个地区已经建立，同时也得到了广泛应用。
The maximum difference of geoid undulation between the model and EGM96(to 70 degrees) is 2.
该模型与EGM96相比（70阶次），大地水准面起伏差异最大为2。
The main purpose of physical geodesy is to ascertain the outer Earth gravity field and geoid.
物理大地测量的主要目标是确定地球外部重力场和大地水准面。
As a criterion of the earth's equilibrium is taken the deviation of the geoid from the spheroid.
地球体与球的偏差，被用来作为地球平衡的判据。
The actual equipotent ial surface of the earth that corresponds to sea level is called the geoid.
相当海平面的地球实际等位面称为重力平面。
The invention discloses a disturbing gravity-based quasi-geoid land-sea seamless splicing method.
本发明公开了一种基于扰动重力的似大地水准面陆海无缝拼接方法。
The practical application of formulae to the absolute gravimetry and refineding geoid are discussed.
此外，还讨论了如何将它们用于绝对重力测量和精化大地水准面的实际中。
The quasi-geoid computed by geopotential model is fitted with the quasi-geoid measured by GPS leveling.
将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面。
The geoid is also used as a reference surface from which to map the topographical features on the planet.
本次制作的地球水准面模型在绘制地球地貌时也将会被用来参考。
The symmetry of the planetary relief is broken in the western Pacific where the geoid surface is uplifted.
在西太平洋中，星球地势起伏的对称受到破坏，那里的地球体表面受到抬升。
Data resolution has an important effect on modeling the earth's gravity field and the accuracy of the geoid.
数据分辨率是影响地球重力场建模和大地水准面精度的重要因素。
Then the theory and method that the repetition gravity measurement is transformed to the geoid are discussed.
研究了利用相同点上的重复重力观测进行重力归化的理论和方法。
The new geoid map will be useful for studying ocean circulation, ice dynamics, sea-level change and earthquakes.
这个新的大地水准面地图对于研究海洋环流、海冰动力学，海平面变化和地震会是有用的。
The systematic bias of the two traditional vertical network was detected and analyzed by use of Chengdu quasi-geoid.
利用成都市似大地水准面模型探测和分析了两个传统高程控制网中可能存在的系统偏差。
Dynamic changing the scale of geoid undulations and the radius of the earth, the video mode of the earth figure is improved.
动态改变大地水准面差距与地球半径的比值，改善了地球形状的三维表达效果；
In order to evaluate the vertical offset, it is essential to know the geopotential of the mean sea level and of the geoid as well.
为了获得这一垂直偏差，很有必要确定当地平均海面和全球大地水准面上的重力位值。
The volcanic eruptions are correlated with geoid, the positive geoid anomaly can build up high normal stress, which is in favor of huge eruptions.
火山喷发活动还与当地的重力势有关，重力势正异常可能与高的正压力有关，有利于产生特大喷发。
A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea-level change and terrestrial ice dynamics.
图上精确的地球大地水准面是根据洋流、海平面的变化和地球冰川等元素的精确数据测量而成。
Using TOPEX altimeter data, a few new earth gravity models, geoid models and ocean tide models were generated, and these models were better than old models.
利用TOPEX资料可以得到新的地球引力场、海洋大地水准面和海潮模型。
In this paper, the fifing method which stimulates the Geoid using quadric polynomial, BP network and RBF network are provided for the GPS height conversion.
本文采用二次曲面拟合、BP网络和RBF网络进行了GPS高程转换，并在网络结构改进等方面作了分析。
This paper introduces statistical learning theory and support vector machine, proposes a new method, support vector machine technology, to simulate quasi-geoid.
介绍统计学习理论和支持向量机，提出利用支持向量机技术进行似大地水准面拟合。
This paper puts forward, in the point, gravimetric geoid method, geometric geoid method and synthesis method to transform ellipsoid height into orthometric height.
基于此，扼要提出应用重力大地水准面法、几何大地水准面法和综合法将GPS椭球高改化为正高的方法。
Moreover, The authors inverted three dimensional global mantle density (anomaly) combining geoid data and seismic tomography data by means of damping least square method.
另外，采用阻尼最小二乘方法，利用全球地震层析成像资料和大地水准面异常资料联合反演了三维全球地幔密度异常。
The altimetry geoid undulation is mainly conducted by convergence between two or three plates, and its components at short wavelength characterize tectonics within basins.
测高大地水准面反映了研究区板块相互作用的特点，其高频成分可以刻画各海盆的构造特征。
Residuals used in normal fitting method, not only takes into account the quasi-geoid model for the geometric properties, but also take into account its physical properties.
所采用的正常高残差拟合方法，既顾及了似大地水准面模型的几何特性，又顾及了其物理特性。
Base on theory of lithosphere elastic flexure isostatic compensation, the spheric harmonic series expressions of topography-isostasy compensation gravity and geoid are established.
依据岩石圈弹性挠曲均衡补偿理论建立地形-均衡补偿重力、大地水准面异常的球谐级数表达式。
Base on theory of lithosphere elastic flexure isostatic compensation, the spheric harmonic series expressions of topography-isostasy compensation gravity and geoid are established.
依据岩石圈弹性挠曲均衡补偿理论建立地形-均衡补偿重力、大地水准面异常的球谐级数表达式。
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