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The terrain correction on heat flow value has been conducted where topography is rugged.

在地形起伏较大的地区对测定热流值进行了地形校正。

Based on Digital Elevation Model Data Space Analysis Technique, Yarlung Zangbo River drainage area is selected to be analyzed quantitatively to its landform and physiognomy by new obtained high precision SRTM DEM data. Typical physiognomy parameter of Yarlung Zangbo River drainage area is picked up economically, and a series of physiognomy analysis theme figures such as physiognomy highness, landform grade, slope direction and hypsography have been generated, which have been discussed and analyzed primarily. Profitable supplement has been made to new construction study of physiognomy boundary strap in the south of Tibetan Plateau.

本文基于数字高程模型数据空间分析技术,利用最新获取的高精度的SRTM DEM数据,选取雅鲁藏布江流域进行定量的地形地貌分析,系统提取了雅鲁藏布江流域典型的地貌参数,生成了一系列地貌分析专题图如地貌高程图、地形坡度、坡向图以及地形起伏度等,并进行了初步的讨论分析,对我国青藏高原南部地貌边界带的新构造研究做了有益的补充。

Terra Vista software and Creator software are used to madding the terrain and buildings.

应用地形自动建模软件Terra Vista和地物建模软件Creator,完成了大范围地形地物数据的建模。

The observations show that the typhoon rainfalls over Taiwan area are significantly affected by the Taiwan orography. Heavy rainfalls usually observed over the up-slope area of the typhoon cyclonic circulation impending the mountains.

从台风降水资料分析显示,台湾地区台风降水和地形有相当密切的关系,各地较大降水发生时机是当台风中心移到台风之气旋式环流可吹向地形,当地处於迎风面时发生。

To reconstruct 3D terrain around the lunar rover from stereo image-pairs captured by the panoramic camera,based on which an intuitive platform can be put up for scientists to plan exploration commands,the authors set about to study 3D terrain registration based on stereo vision in advance.The paper presents our achievement on 3D terrain registration.

为了从月球车上的全景相机所捕获的立体图像对重建月球车周围的3D地形,给地面科学家制定科学探测指令提供一个直观的可视化平台,预先展开了基于立体视觉的3D地形重建的研究,主要介绍了在3D地形拼接方面的研究进展。

Basic Geography Information system: For the parts on the ground, it stores big-scale data by layers according to the topographical elements, and completely accurate reflects the information of the buildings, terrain, physiognomy\ administration region, field boundary, geology structure and the position of the pithead.

基础地理信息系统:地面部分,按地形要素分层存储大比例尺数据,全面准确的反映建筑物、地形、地貌、建筑物、行政区域、井田边界、地质构造和井口位置等信息。

the digitized mapping technique is to combine the field data collection system with the computer assisted mapping system in surveys by computer technology.it aims to realize the information collected and processed digitally and automaticaity.the digitized mapping technique can cut short the working time,lighten the labor intensity and enhance the precision of the productions.the system consists of three parts,such as data input,data processing and data output.the survey-record digitized mapping technique is widely used in the digitized mapping working pattern.for its superiority over traditional plane-table mapping in accuracy and efficiency,the large scale digital mapping is becoming more and more popular.compared with traditional analogue mapping,digital mapping has more quality control pivotai points,and its contents and methods are more complex.with the appearance of new technology gps ,the coordinate of different levels controlling points may be surveyed in high precision and it has been applied widely in topographic survey.the operation process of gps electronic tachometer is introduced and its application in topographic survey is br

计算机应用论文,计算机论文, rtk ,全站仪,数字测图,地形测量, gps论文摘要:数字测图是在测量工作中利用电子计算机技术将野外数据采集系统与内业机助制图系统相结合,其目标是实现信息采集处理的数字化、自动化、信息化。数字测图可以缩短作业时间,减轻劳动强度,提高成果精度。数字测图系统主要由数据输入、数据处理和数据输出3部分组成,数字测图作业模式中测记式数字测图应用最为广泛。大比例尺数字测图正以其测图精度高,成图速度快等优势逐步的取代传统的,以平板仪为主的模拟测图。与传统的模拟测图相比,数字测图的质量控制关键点更多、内容与方法更为复杂。gps 新技术的出现,可以高精度并快速地测定各级控制点的坐标,在地形测量中已得到广泛地应用。本文介绍了gps 配合全站仪的作业流程,简要阐明了其在地形测量中的应用。在利用实测数据成图的过程中,解决一些常见的问题,并给出解决的办法及依据,同时给出一些有益的结论,以适应实际使用的需要。

Soils of plateau land and gully bottom were characterized by the lower pH and catalase activity but higher cation exchange capacity.

不同地形条件下土壤pH值的变化由地形条件引起的土壤过程及硝态氮在土壤中的累积引起;阳离子交换量的变化由成土过程、pH值和有机质的差异引起;土壤有机质及氮、磷养分的差异由与地形条件对应的土地利用方式引起;土壤酶活性的差异则是有机质的差异引起的。

According to the function of distributed emulator, optical information processing and image multi-object tracking system, the following three aspects were emphasized in this dissertation. Firstly, a vast virtual terrain, ground radar models and canyons were created for the distributed emulator with modeling software Creator. The radars were driven to scan during emulating and the real time terrain code was sent to Radar module. Secondly, an optics channel simulating the optics camera of a virtual aircraft was implemented with simulating software Vega. The 2-D information got from the channel was translated and sent to multi-sensor information fusion system as an optics information source. Thirdly, the dissertation studied some motion estimation methods and analyzed the factors which influence the speed and the precision of the block matching algorithms. Then an improved block matching method was proposed for image multi-object tracking system and applied in the system combined with frame difference method.

论文根据多传感信息融合实验系统中的分布式飞行仿真系统、光学信号处理器和图像多目标跟踪系统三个子系统的功能要求,具体完成了以下三方面的工作:首先利用建模软件Creator创建分布式飞行仿真系统中的大面积地形、场景中的地面雷达模型和峡谷地形,并在仿真过程中实时驱动雷达模型的扫描,同时为后续雷达仿真模块提供实时地形编码;其次利用仿真软件Vega,在分布式仿真系统中为光学信号处理器设计实现了光学通道,模拟飞行器的光学摄像机的功能,并且对由此通道获得的目标二维光学信息进行转化处理,作为光学信息源发送给后续的多传感信息融合器;最后针对图像多目标跟踪系统,在研究图像分割运动估计算法的基础上,通过分析影响块匹配算法速度和精度的因素,改进了块匹配运动估计算法,结合差分法可应用到目标跟踪系统中。

The main contents and results of research in this paper are shown as following: It is important to built the motion model of a virtual system. As the virtual object is the submarine in this simulation system, we studied on the motion model of the submarine and gave the submarine six DOF space motion equation MultiGen-Paradigm corporation's modeling software named Creator is used, the modeling of all entities and 3D terrain in virtual ocean environment is accomplished. Then introduced the theory of Large Area Database Management and realized the Large area database management; In the course of 3D scene simulation, Vega is utilized to develop the project. The building of 3D scene is done, which includes the simulation of static and dynamic ocean surface, realization of ocean wave, simulation of bow wave and stern wake, utilization of lighting and material, simulation of cloud and fog, kinematics' modeling of submarine etc.

论文的主要研究工作和成果包括以下一些内容:建立虚拟对象的运动模型是构造一个虚拟系统的关键所在,建立的运动模型准确与否直接关系仿真对象模拟的逼真度,由于本仿真系统的虚拟对象是潜艇,所以对潜艇的运动模型进行了研究,给出潜艇空间六自由度运动方程;利用MultiGen-Paradigm公司的Creator建模软件完成虚拟海洋环境中个实体模型建模和三维海底地形模型的建模;然后介绍了大地形数据库管理(LADBM,Large Area Database Management)技术的基本原理,实现大地形数据库管理;在三维场景仿真中,使用Vega驱动软件进行软件开发,完成了三维场景空间的建立,主要包括动态和静态海洋的仿真、海浪、船首波浪和传尾尾迹的实现,灯光和材质的使用,云和雾的模拟等。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。