1) site models
场地模型
1.
Against the reactor building of a 1000MW reactor nuclear station,this paper has a study on the effect of different site models and time-history method in the floor response spectrum computation,and then makes an analysis of the nuclear power plant seismic response based on the time-history method considering SSI.
对比分析显示,与传统规范方法和多参数集总场地模型相比较,本算法适于三维问题分析,而且在求解分层以及开挖场地的动阻抗方面具有独特的优势,并能够反映出动阻抗随激励频率变化的特性,且满足工程要求的精度。
2) Geomagnetic field model
地磁场模型
1.
Taking aim at lower precision and boundary effect of the current region geomagnetic field model,the shortage of appending the IGRF data to the regional boundary was analyzed deeply.
针对现有地磁场模型精度偏低、模型边界效应等问题,深入分析了传统补充国际地磁参考场值的缺陷。
3) earth gravity field model
地球重力场模型
1.
The comparison of the earth gravity field model based on the observed data from CHAMP satellite and energy conservation theory with EGM96 gravity field model shows that CHAMP satellite .
介绍了重力卫星CHAMP,GRACE,GOCE和利用卫星观测数据解算地球重力场的方法以及加速度数据的处理方法,探讨了基于能量守恒方法恢复地球重力场模型的原理。
2.
As one of the most active areas of research of the physical geodesy, the accuracy and resolution of the earth gravity field model has achieved a major breakthrough, especially on the improvement of the ground and the air of gravity measurement techniques, and new methods of satellite gravity measurements realized.
本文描述了地球重力场模型的定义和内涵，详细介绍了利用球谐函数建立地球重力场模型的公式推导过程，并重点介绍了利用EGM96模型，解算任意点的高程异常、重力异常、垂线偏差；归纳了计算地球位系数的几种方法；介绍了我国省市地区大地水准面的精化现状和技术模式，讨论了地面观测值的归算问题，实现了地球重力场模型的可视化。
3.
A generalized torus spherical harmonic analysis method for the recovery of an Earth gravity field model using gravity observations up to the second order components of the disturbing gravity gradient tensor is studied.
深入研究利用卫星重力梯度张量分量组合确定地球重力场模型的广义轮胎调和分析方法。
5) site structure model
场地结构模型
1.
And site structure models are proposed in division and evaluation of regional stability.
本文在对南京地下工程的区域地质构造以及长江中下游 南黄海地震带的地震活动特征分析的基础上 ,运用优势面理论 ,对工作区内优势断裂进行评价 ,并运用场地结构模型对场址区域稳定性进行分区和评
6) model of farmland market
农地市场模型
补充资料：场地
1.适应某种需要的空地。如体育﹑施工﹑堆物的地方。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条