The terrain feature shows the same characteristics as the tectonic outline.

The Checking Method of Terrain Feature Vector Data

地物矢量数据的检查方法

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A Study of Extracting Terrain Feature Lines Based on Vector Contour Data

基于矢量等高线数据提取山脊线山谷线的研究

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The surface peak is one of the most indispensable terrain feature point in morphological investigation.

山顶点是地貌形态研究中不可缺少的地形特征点之一。

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Simplified Simulation Algorithm Based on Terrain Feature

基于地形特征的简易地形模拟算法

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In SAR interferometry, coherence is the criteria of phase stability, and both the interferometric baseline and the terrain influence the coherence estimation.

在SAR干涉测量中，相干系数是干涉图像对相位稳定性的衡量标准。

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Due to the complexity of the structure of the lunar rover, classical control methods have some disadvantages and moreover, on-line terrain parameter estimation is needed.

由于月球车本身结构的复杂性，基于模型的经典控制将会有很大的困难，并且经典控制还需要在线估计地形的各种参数。

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WA~ sP calculates wind resource preferably, and it can evaluate wind resource better in smooth terrain, but in complex terrain the error calculated by WA~ sP software is bigger.

WA~sP软件在平坦的地形下，能较好的对风能资源进行评价，但是对复杂地形，该软件计算结果误差较大。

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And a new scheme, which terrain matching and INS error fixing are processed at some intervals according to the pre-defined matching points, is presented.

文中还提出了间歇式地形匹配与INS误差修正方案，使工程应用成为可能。

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Realization of Levels of Detail Terrain Model Based on Error Control

误差受控的多细节层次地形模型的实现

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Since the stability of biped robot is intrinsically low, for improving the walking robustness to the irregular terrain and modeling error, a robust reactive force control and trunk's position/ attitude control with optimal force distribution are also considered in the course of system design.

为提高机器人对不平整路面的鲁棒性和克服系统建模误差，行走控制系统中采用了鲁棒地面反力控制器和基于地面反力最优规划的姿态控制策略。

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In this paper, we first analyze the methods for three-dimensional terrain simplification and error control in the recent years, and then put forward a simplification method based on vertex importance to build continuous LOD models.

在分析、讨论目前关于3维地形模型简化与误差控制方法的基础上，提出了一种基于点重要度进行连续LOD模型简化的算法。

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After analyzing the relationship between terrain data error and its screen error, the error control scheme based on the criteria of symmetrical hausdorff distance for terrain TIN model simplification is presented.

分析了地形数据物方误差与屏幕绘制误差的关系，给出了基于对称Hausdorff距离准则的地形TIN模型简化误差控制方案。

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A Mathematical Simulation of DEM Terrain Representation Error& A Case Study in the Loess Hill gully Areas of China

数字高程模型地形描述误差的量化模拟&以黄土丘陵沟壑区的实验为例

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Slope Accuracy Associated with DEM Data Error and Terrain Representation Error

DEM数据误差与地形描述误差对坡度精度的影响

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Study on Characteristics of Terrain Objects With Laser Echo Identities of Earth Observation

基于对地观测激光回波特征的目标特性研究

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It has elaborated to the topology terrain from two aspects which the terrain itself and the details.

从地形自身的拓扑结构以及地形上要素之间的拓扑关系两个方面对拓扑地形进行详细阐述。

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Among them, the research focus of this paper includes Terrain Rendering Algorithm ( LOD), terrain texture details, multi-window display quality improvement and flight routes setting and et al.

其中，地形渲染算法LOD，地形的细节纹理，多窗口显示质量的提高和飞行航路点的设置等内容是本论文研究的重点。

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Affected by the flight speed, it is required that the terrain rendering is real-time and the terrain details are less.

受飞行速度影响，此时要求地形场景渲染实时性高，但细节程度要求不高。

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To model the lost small terrain details during surveying and mapping is very important to realistic terrain reconstruction.

模拟在测绘过程中被忽略的地形细节对逼真地形重建来说是十分重要的。

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Comparing with optical image, the orographic effect of the SAR image is quite obviously which we called it Terrain radiometric correction.

相比光学影像，SAR影像的地形效应尤为明显，去除地形对SAR影像的影响即所谓的地形辐射校正。

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