geoid
n. 大地水準面
2026-05-06 08:45 浏览次数 22
n. 大地水準面
1. the surface within or around the earth that is everywhere normal to the direction of gravity and coincides with mean sea level in the oceans
geoid curve地球体等高线
gravity geoid重力大地水準面
geoid tide大地水準面潮汐
geoid bastardizeing大地水準面翘曲
geoid acme大地水準面高
geoid surface大地水準面
Geoid modual大地水準面模块
geoid contour大地水準面等高线,地球体等高线
ocean geoid[测]
abstr: splicing quasi - geoid using an adjustment with constraints is introduced in this paper.
文章摘要:提出附有条件的似大地水準面拼接方法。
by using high resolution dtm, global gravity model and surface gravity data chinese local gravity geoid is determined at first.
首先结合高分辨率的dtm和现有重力资料推算我国局域重力大地水準面;
accoording to the residual geoid distribution and the ideal heating convection model, we discussed the force source of the movements of qinghai-xizang region and central china.
由残余大地水準面的分布及底层加温的热对流假设,探讨了青藏地区和我国中部地壳运动的力源问题;
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準面上的重力位值。
relative accuracy of regional gravimetric geoid determination is estimated by an frequency domain analysis, which is determined by regional terrestrial gravity measurements and geopotential model.
以频域解析方法,研究由地面重力数据、全球位模型确定区域重力大地水準面的相对精度估计。
under consideration of variable height of geoid with time, relationship between real and apparent gravity gradient to vertical displacement has been discussed.
在考虑大地水準面的高随时间变化的条件下,讨论了真重力垂直位移梯度与视重力垂直位移梯度的关系。
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),大地水準面起伏差异最大为2。
the new geoid map will be useful for studying ocean circulation, ice dynamics, sea-level change and earthquakes.
这个新的大地水準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 difference of the marks between the geoid and the spheroid is determined by the direction of geological processes in upper envelopes of the earth.
地球体与球体之间标志的差异,是由地球外壳中地质作用的方向所确定的。
the classic geoid is defined as an equigeopotential surface, a part of which coincides with the static sea level, and the latter is commonly replaced by the mean sea level.
经典大地水準面被定义为等重力位水準面,它在海洋中重合于假想的静止海水面,而后者通常又由平均海水面来代替。
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準面是根据洋流、海平面的变化和地球冰川等元素的精确数据测量而成。
with the rapid development of satellite observations, we can use the altimetry geoid to study submarine tectonics and geodynamics.
由于卫星观测技术的发展,现在已能利用测高大地水準面简捷可靠地研究海底构造与动力问题。
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準面异常资料联合反演了三维全球地幔密度异常。
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、海洋大地水準面和海潮模型。