According to the data characteristics of mineral resources exploration , this paper has studied the volume rendering algorithm model and the spatial interpolation method suitable for 3d visualization of geological information 摘要针对矿产资源勘探数据的特点,研究了适合地质体信息三维可视化的体绘制模型和空间插值算法。
And we use spatial interpolation method to indicate different contents grades on thematic map with different colors , to set up the soil nutrient information base in hannan district and draw an evaluateion map 运用空间插值法在专题图上用不同的颜色将不同的含量等级表示出来,建立汉南区土壤养分信息库,并绘制评价结果图。
Points interpolation method ( pim ) which is a new meshless method reduces the complexities in calculating the shape function of other meshless methods , and the hardness in dealing with the essential boundary conditions etc 摘要点插值法是一种新型的无网格法,它改善了其他无网格方法中形函数计算复杂、本质边界条件处理困难等问题。
The paper analyzed the method of movement controlled , validated the stability of line interpolation method , which offered some experience for the development of interpolation module and study in open cmc system 分析了pcl - 832控制卡实现运动控制的方法,验证了直线插补算法的稳定性,将对开发插补模块和开放式数控系统研究提供一些经验。
In order to recover the tritium concentration in precipitation from 1953 to 2001 for xi ' an area , two methods such as interpolation method and two conference curve method have been employed , and the tritium concentration in precipitation has been recovered 利用插值法与双参考曲线法对关中盆地1953年以来各年大气降水氚浓度进行了恢复。
The grid velocity is obtained by using both of so - called laplace and velocity relaxation methods , and rezone is automatically done . the remap of state variables is calculated with both of donor cell and linear interpolation method 采用laplace反演方法和速度松弛法计算网格速度,实现了网格的自动重分,采用贡献网格法和线性插值完成输运计算。
This paper uses kriging method to estimate rainfall in drainage basin , gives the results of kriging interpolation method , and compares it with inverse distance square method and nearest neighbor method 为此,尝试采用克里格方法对流域雨量进行估值,并分别将年平均、月平均、时段雨量的插值结果与距离反比法以及最临近法的插值结果进行了对比性检验。
4 . by using a new interpolation method based on discrete fourier transform ( dft ) , we get the goal of high fidelity interpolation for seismic track , and the matching result of seismic and logging data is improved 该方法在插值过程中保证了地震信号原有的频率成分不被改变,提高了井震数据的匹配精度,为地质建模中初始模型的获取开辟了一条新途径。
The nonlinear interpolation method is used to compensate the influence of pipe grade and pipe material property ; tool velocity effects are compensated by the fourier transformation and optimal filter theory 研究用非线性插值技术对管道厚度和材质的影响进行补偿,实现了用傅立叶变换和最优滤波方法来消除检测仪移动速度对漏磁信号的影响,并取得了实验验证。
Three imaging methods are introduced : range - doppler imaging , projection tomography imaging , polar - doppler imaging . several interpolation methods are introduced , and their simulation results are compared , and cubic spline interpolation is proved to be the best 介绍了最基本的三种成像方法:直角坐标距离-多普勒成像、投影层析成像和极坐标距离-多普勒成像。