高阶高精度地球重力场模型具有广泛的用途。
High order, high precision geopotential models have broad application.
本文研究由内核超速旋转引起的地球重力场的变化。
The Earth's gravity field change caused by the inner core's super rotation is investigated.
描述了地球重力场模型和中国海及邻域重力异常的特征。
An Earth gravity field model and the characteristics of gravity anomalies of China sea and its adjacent regions are summarized.
描述了地球重力场模型和中国海及邻域重力异常的特征。
Method of regional height transformation based on earth gravity field model;
卫星重力探测技术可获取全球均匀覆盖的地球重力场信号。
The global homogeneously covering gravity single can be collected by satellite gravity techniques.
无扰动的流体静力平衡状态下的地球重力场是平行重力场。
Undisturbed earths gravity field under the status of hydrostatic equilibrium is parallel gravity field, and its distribution of mass density is spherically Symmetric.
受地球重力场和高空风场的影响，该不均匀体向东北方向扩散。
It diffused northeastward, which was caused by the upper air winds and geomagnetic field.
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。
Data resolution has an important effect on modeling the earth's gravity field and the accuracy of the geoid.
我们注意到，这个问题同在地球重力场中水平抛射一个球体十分相象。
We've noted that this is just like a body projected horizontally in the earth's gravitational field .
随着重力卫星计划的实施，地球重力场的研究也将因此产生质的变化。
Along with the implementation of gravity satellite plans, therefore, research on the gravity field of the earth will change in quality.
为此，提出利用地球重力场模型改进GPS水准中移动曲面法的方法。
This paper is mainly about how to improve moving surface method of GPS leveling by means of earth's gravity field model.
精密和详细测定地球重力场及其时间变化，是目前卫星重力测量的主要课题。
At present, surveying gravitational field and its variation with time accurately and detailedly is a main subject of Gravisat.
地球扰动位的球谐展开式表示是地球重力场模型应用最广泛的一种表示方法。
The harmonic series formula of the Earths disturbing potential is the most extensive applicable expression for the Earths gravity field model.
精密和详细测定地球重力场及其随时间变化，是目前卫星重力测量的主要课题。
It is a main subject of Gravisat at present that we survey gravitational field and variety of gravitational field with time accurately in detail.
地震前，地壳变形引起地球密度重新分布，从而使地球重力场发生某些特征变化。
Before earthquake occurrence, the crustal deformation causes redistribution of the earth density, so there occur some characteristic changes in the earth gravity field.
利用改进的能量守恒法基于不同轨道高度恢复了120阶grace地球重力场。
The GRACE Earth's gravitational field complete up to degree and order 120 is recovered based on different orbital altitude according to the improved energy conservation principle.
在GPS高程转换中，为了减少对已知高程点的需求量，本文引用了地球重力场模型。
This paper deals with the application of earth gravity field model in GPS height transformation in order to decrease the demand in bench marks.
本文主要研究利用星载重力梯度仪观测数据恢复地球重力场的理论、方法和实用解算模型。
This dissertation focuses on the theory, methodology and practical mathematical model for the global gravity field determination from satellite gravity gradiometry data.
本文全面、系统的研究了地球重力场椭球谐模型的建立和边值问题在椭球界面下的求解情况。
This paper makes a comprehensive and systematic study of the establishment of the earth's ellipsoidal gravity model and the solution of the boundary value problem under ellipsoidal boundary.
极光的出现并不是来自于X星的持续的磁场轰炸引起的，因为极光是由地球重力场的波动引起的。
The aurora display was not caused by the continuing magnetic blasts from Planet X, as auroras are caused by fluctuations in Earth gravity field.
论述了重力矢量在确定地球重力场方面的作用，包括重力矢量的向下延拓和局部大地水准面的确定。
The applications of vector gravity on the determination of the earth's gravity field are described, including the downward continuation of vector gravity and determination of the local geoid.
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
简要介绍了小波多尺度边缘检测的基本原理，以EGM96重力场模型为例分析了地球重力场的多尺度边缘。
The principle of multiscale edge detection by wavelets is presented firstly, and the multiscale edges of the earth's gravity field are analyzed with the EGM96 model as an example.
确定高精度和高分辨率地球重力场模型是现代大地测量的基本目标之一，卫星重力计划就是基于这一目标实施的。
One of the fundamental scientific objectives of modern geodesy is to determine the high precision and high resolution earth gravity field. The satellite gravity project is just for this object.
低轨重力卫星轨道的精确确定是获得精密地球重力场模型的前提，而精密重力场模型又是获得高精度定轨结果的保证。
On the other hand, the precision gravity model is important guarantees for obtaining high precision orbiting results using the dynamic or reduced-dynamic orbit determination method.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
GRACE卫星作为新一代地球重力卫星计划，利用其时变地球重力场数据产品监测陆地水储量变化的已经得到了广泛的研究验证。
As one of the new generation of gravity satellites, using GRACE data and its time-variable product to detect the total water storage has been widely proved.
随着弹道导弹系统技术的不断改进，影响导弹精度的工具类误差已逐渐降低，地球重力场扰动引力已经成为影响导弹命中精度的主要因素。
With the improvement of ballistic missile system technology, the tool error affecting missile hitting accuracy has been reduced and disturbing gravitation has been a main factor.
将这种方法用于卫星跟踪卫星，建立了地球重力场逼近的多尺度方法。5 .基于球面小波变换的冗余性，证明了利用球面小波进行重力位逼近具有最小。
Based on the redundancy of spherical wavelet transformation we proved that using spherical wavelet to approximate the earth gravity field has the least square properties.
将这种方法用于卫星跟踪卫星，建立了地球重力场逼近的多尺度方法。5 .基于球面小波变换的冗余性，证明了利用球面小波进行重力位逼近具有最小。
Based on the redundancy of spherical wavelet transformation we proved that using spherical wavelet to approximate the earth gravity field has the least square properties.
应用推荐