Via the method mentioned above, the generated route has the function of terrain following, terrain avoidance and threat avoidance. Simulation results are provided to illustrate the idea.
仿真结果表明，生成的航迹具有地形跟随、地形回避和威胁回避的功能。
And it clarify the process of rectified model: replace terrain function to diffusion parameter, integrate rainfall function, drain function and seepage function to function item.
在此基础上叙述本文的城市洪水模型的改进过程：扩散系数用地面高程函数代替，综合降雨函数、渗透函数和排水函数形成函数项。
The visualization of 3d terrain is an important function in 3d GIS.
三维地形可视化是三维gis中的一个重要功能。
Meanwhile, the paper take a satisfaction function model to carry out quantitative analysis surface of terrain.
同时，还利用一种满意度函数模型对生成的地形进行一定的数学定量分析。
To improve the GPS leveling fitting accuracy of hilly terrain and to build the adaptive fitting model of the coverage, this article USES the multidimensional function method to fit the height anomaly.
为提高丘陵地区GPS水准拟合精度，建立适合当地测区的拟合模型，采用多面函数法对高程异常进行拟合。
To improve the GPS leveling fitting accuracy of hilly terrain and to build the adaptive fitting model of the coverage, this article USES the multidimensional function method to fit the height anomaly.
为提高丘陵地区GPS水准拟合精度，建立适合当地测区的拟合模型，采用多面函数法对高程异常进行拟合。
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