通过地形及土地利用图、数值地形模型和视线入射角来确定景观的被视频度；
The frequency degree of being visualized was determined by using the land utilization map, numerical model of topography and the incident angle of sight.
实现的算法可以直接应用于数据挖掘、数字网格划分与评估、数据分割、数值地形曲面的简化等问题。
The algorithm can be directly applied to data mining, digital grid partitioning and estimation, data partitioning, digital terrain surface simplification, etc.
由对数值模拟与试验的结果分析得出：（1）青藏高原地形有利于高原东麓暴雨区的扩大与强度加大。
Some results are obtained as follows: (1) The heavy rain area is expanded and heavy rain is enhanced by plateau terrain in the east of plateau.
在简化理想试验里，两种垂直坐标数值计算结果对分辨率、地形坡度、物理量误差随高度变化的分布等因素是敏感的。
In the ideal experiment numerical computational results of the two coordinates are sensitive to the resolution, the slope of terrain and the distribution of physical property with the height.
采用广州有限区域数值预报模式，以登陆台风“黄蜂”(0214号)为例，研究海南岛屿地形和对流凝结潜热对登陆台风“黄蜂”的影响。
Taking landfall typhoon Vongfong (0214) as an example, the effects of Hainan island topography and convective condensation heating are studied by using Guangzhou limited-area numerical forecast model.
利用改进的边界层模式，对平坦地形条件下的非定常边界层风温场进行了数值模拟。
Using the improved boundary layer model, under horizontal homogeneous geographical conditions, the nonconstant wind and temperature fields have been simulated numerically.
首先，数值计算部分以QSCAT/NCEP风场为驱动风场，数字化的海图资料作为地形输入，运用WW3建立了波浪模型。
Firstly, the numerical model which is built with WW3 is driven by the QSCAT/NCEP blended winds together with the digital data of topography.
应用所建立的方法，可以进行各种复杂地形条件和不同水位情况下平原区浅水河流水质的数值计算。
The numerical calculation algorithm for the water quality modeling set up in this paper can be applied to shallow river with similar topographically complicated river course in plain region.
本文则用气候模式对作者提出的有地形数值模式中气压梯度力的误差扣除法进行了模拟检验。
Modelling tests are made in this paper to check the error subtraction scheme of the pressure gradient force in models with topography developed by the authors.
本文建立了一套计算近岸复杂地形上由二维随机波浪引起的的波浪增水与近岸流的数值模式，并在模拟地形上实施了计算实验。
In this paper, a numerical model of wave set? Up and nearshore current generated by directional random wave on complicated mild slop is presented and is tested on the supposed topography.
本文在上海台风研究所无地形的业务数值予报模式中引入地形，用实际天气过程进行了地形动力效应的予报试验。
Orography is properly introduced in the operational numerical model of Shanghai Institute of Typhoon and some real synoptic weather processes are used to test the dynamic effects of orography.
何光碧，屠妮妮，张利红，等。2013。青藏高原东侧一次低涡暴雨过程地形影响的数值试验[J]。高原气象，32 (6)：1546- 1556。
He Guangbi, Tu Nini, Zhang Lihong, et al. 2013. Numerical experiment of terrain effect of vortex rainstorm process on east side of Qinghai-Xizang Plateau [J]. Plateau Meteor, 32 (6) : 1546-1556.
为了验证方法的精度和效率问题，对两种典型缓坡地形上的波浪传播变形进行了数值模拟。
To verify the accuracy and efficiency of this method, the distortion of the wave propagation on two typical mild slopes are simulated numerically.
何光碧，彭俊，屠妮妮。2015。基于高分辨率地形数据的模式地形构造与数值试验[J]。高原气象，34 (4)：910- 922。
He Guangbi, Peng Jun, Tu Nini. 2015. Terrain construction and experiment for numerical model based on high resolution terrain data [J]. Plateau Meteor, 34 (4) : 910-922.
在近岸，地形复杂，数值计算网格不宜过大，计算中必须计入非线性项。
In the near shore, which has complicated geometry, the calculating grid mesh should not be too large and the non - linear term must be included in calculation.
本文建立一个三维非静力边界层模式对杭州湾附近复杂地形域区进行了数值模拟。
In this paper, a 3-dimensional non-hydrostatic PBL model has been developed and used for numerical simulation in the complex terrain, near Hang Zhou gulf.
提出了一种用边界元法计算频率域人工源三维地形电磁场的数值模拟方法。
We propose a numerical method using boundary element to model the electromagnetic filed induced by artificial source in the frequency domain with 3-D topography.
敏感性数值试验表明地形对垂直运动有明显影响，并且影响暴雨强度及分布。
The sensitive numerical experiments are also conducted. It is concluded that terrain have si…
目前对风沙运动的研究主要集中在对平坦沙床上的风沙流进行理论与数值模拟，而对复杂地形和沙丘上的风沙运动的理论与数值模拟则相对很少。
At present the study of the movement of sands mainly focuses on theoretical analysis of and numerical simulations of blown sand on the flat bed of sand.
敏感性数值试验结果表明，降低高原地形会使得高原上空沙尘气溶胶粒子向南和向上的传输变弱。
The results from a sensitivity experiment with decreased orography height show that the upward and southward transport of dust aerosols is depressed when orography height is decreased.
利用GCM（大气环流模式）完成的一系列改变青藏高原地形高度的数值试验说明，东亚季风气候变化非常敏感地响应于高原隆升。
Simulations of climate variables from General Circulation Models(GCMs)usually contain large deviation due to the low resolution, which makes it difficult for regional studies.
利用GCM（大气环流模式）完成的一系列改变青藏高原地形高度的数值试验说明，东亚季风气候变化非常敏感地响应于高原隆升。
Simulations of climate variables from General Circulation Models(GCMs)usually contain large deviation due to the low resolution, which makes it difficult for regional studies.
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