地形轮廓

地理学家研究山脉的地形轮廓。

Geographers study the configuration of the mountains .

介绍了地形轮廓匹配（TERCOM）地形高程辅助导航系统的工作原理、系统组成和技术应用，分析了地形轮廓匹配算法的性能指标；

The paper introduces the basic principle , composing and technologic application of terrain contour matching ( TERCOM ) elevation-aided navigation system . The TERCOM algorithms and performance targets are provided and analyzed .

传统的地形轮廓匹配（TERCOM）辅助导航系统，由于其实时性差，已不能满足飞行器超低空高速的导航需要。

The Conventional terrain contour matching ( TERCOM ) aided navigation system with poor real-time property , it can 't meet the requirements for the navigation of aircraft in low altitude and high-speed flight .

对传统的地形轮廓匹配（TERCOM）辅助导航算法进行了如下改进：首先在景象匹配的基础上对飞行区域作出预测；

This paper improves the conventional terrain contour matching ( TERCOM ) aided navigation system algorithm as fellows : first , the region to be flown are forecasted on the basis of stereo matching ;

面向地形轮廓匹配（TERCOM）高程辅助导航，定义了地形独立因子和地形信息熵，详细阐述了地形信息熵的统计特性，提出了不同尺寸地形分块的熵值关系；

Terrain unaided factor and terrain information entropy are defined for the terrain contour matching ( TERCOM ) elevation-aided navigation system . Statistical characteristics of terrain information entropy are described , and the entropy relation between terrains of different sizes introduced .

最后以飞航导弹非线性模型进行6DOF仿真，可以看出导弹能够准确跟踪地形轮廓飞行，仿真结果表明所设计的地形跟踪控制系统具有较强的鲁棒性和快速跟踪性。

Finally nonlinear six-degree-of freedom simulations of one aerodynamic missile were done , from the results it can be seen that the missile can follow the terrain configuration accurately , and the simulation results also showed that the designed system had strong robustness and rapidly tracking capability .

一种地形轮廓特征的立体视觉三维重建方法

3D Reconstruction Method of Terrain Contour Features Based on Stereo Vision

一种改进的地形轮廓预测匹配辅助导航算法

A Improved Algorithmic of Terrain Contour Forecast Matching Aided Navigation

地形轮廓线三维表面重建算法研究

Study on Algorithms for Reconstructing 3-D Surface from Terrain Contours

由后验概率密度递推导出的地形轮廓匹配定位算法

TERCOM algorithms derived from recurrence of posterior probability density function

地形轮廓匹配导航中的地形匹配性能分析

Terrain Matching Performance Analysis in Terrain Contour Matching

给出了卫星照片获取、卫星照片与地形轮廓匹配、贴图精度控制等关键技术的实现算法。

The algorithms of key technologies including the acquirement and process of satellite pictures , the way to match satellite pictures with corresponding terrain contour , and the control of texture precision were introduced .

论文先后讨论了地形轮廓匹配算法、卡尔曼滤波地形辅助导航算法、小波分层算法的原理、特点、适用范围，做了仿真研究，比较了它们的匹配性能和相关特点。

This paper also discusses theories , characters , applications of the three following algorithms of terrain matching system : Terrain Contour matching ( TERCOM ), terrain-aided inertial navigation system , wavelet transform , the simulation results are provided .

本文引入预测控制的思想，提出了一种基于高度特征的地形轮廓预测匹配方法，减少了计算量，提高了导航系统的实时性和机动性。

By introducing the idea of forecast control , the authors propose a terrain contour forecast matching method based on height feature . The calculation amount is reduced remarkably , and both the real-time property and the flexibility of navigation system are improved .

基于分形几何理论，通过分析地形表面的轮廓谱矩和表面谱矩的特性，提出一种地形特征度量值&等方性系数；

Through the analysis of the profile spectral moments and the surface spectral moments , a new measurement value of terrain feature & isotropy coefficient is presented , which is based on the application of fractal geometry theory .