four-dimensional

STUDY OF FLUILD UNIT 4D GEOLOGIC MODELING IN TANGJIAHE OIL FIELD,HUANGHUA DEPRESSION;

黄骅坳陷唐家河油田四维地质建模研究

In this text we used the method of volume integral equation base on tensor Green's function to study the forward of 4D transient electromagnetic response.

本文采用基于张量格林函数的体积分方程法进行四维模型瞬变电磁响应的正演研究,文章中首先说明了四维瞬变电磁法模拟的可行性及程序实现,然后分别设计了两个三维异常体模型(水藏、油藏),采用两种观测方式(激发与接收平行、激发与接收垂直)进行正演模拟计算,并对所得的二次总场的数据进行了分析。

Some new methods and theories of geophysical survey to solve dynamic inspection problems have emerged in recent years,like time-lapse seismic and 4D gravity method.

对于地球物理探测技术用于动态监测问题,近年来出现了时移地震、四维重力等新的方法和理论。

Four-dimensional human modeling for respiratory motion and the impact on radiation treatment planning;

四维动态数字人体模型的开发及其在放疗计划中评估器官呼吸运动影响的研究

Auto-construction algorithm of four-dimensional(4D) geological stratum on complex geological structure;

复杂地质结构的四维地质层面自动生成算法

Research and implementation of forest landscape four-dimensional visual system based on ComGIS.;

基于组件GIS的森林景观四维可视化系统的构架研究

Application and progress of four-dimensional ultrasound in diagnosis of fetal congenital heart disease;

四维超声在胎儿先天性心脏病诊断中的应用与进展

Advances in time-lapse seismic technology;

四维地震勘探技术新进展