The moon's highs and lows are revealed in full color in a new topographic map produced by NASA's Lunar Reconnaissance Orbiter and released December 17.
NASA的月球勘测轨道飞行器制作的一幅全彩色地形图揭示了月球表面的高低。
The 3d images from LRO orbital photography are being used to make an exact digital topographic map of the moon, and this is fact may tweak the mean elevation value.
LRO轨道摄影机拍摄的3d图像被用作制作月球精确数字地形图,而这可能会调整平均高度值。
Maybe they sense slight variations in the rate of change in the magnetic field, much like a hiker reads tightly spaced lines on a topographic map to discern a distinctive canyon.
也许它们感受磁场变化速度的细微变化,就像登山旅行者参照地形图上密密麻麻的线段以辨别一个与众不同的峡谷。
On a topographic map of the United States, the mountains look like jagged masses, the plains like vast open flat spaces, and the rivers like meandering threads.
从美国地形图上看,大山好像参差的土堆,平原像开阔平坦的空地,河流像蜿蜒的细线。
It also provides a case study on color scan of topographic map.
对彩色扫描地形图进行了实例研究。
The perioperative EEG non-linear topographic map of approximate entropy was recorded.
记录围术期近似熵脑电非线性地形图。
This paper discusses the algorithm of texture mapping based-on topographic map to produce the 3d images.
讨论了一种基于地形图的纹理映射算法,用以生成地形表面的三维图形。
The basic functions of the flight plan of aerial photography based on scanned topographic map are achieved.
实现了基于地形图扫描数字化的航摄规划设计的基本功能。
The topographic map contains a large amount of elevation information, and is an important source of DEM data.
地形图中包含了大量的高程信息,是DEM数据的重要的来源。
DEM formation by means of topographic map together with comprehensive use of a variety of software was explored.
本文通过综合利用多种软件,对用地形图生成DEM的方法进行了深入的探索。
The thesis elaborates the method of using topographic map in land use analysis by applying an example of experiment.
本文通过一个试验实例,阐明利用地形图分析土地利用状况的方法。
This paper discusses the method of digital mapping in surveying and mapping of topographic map by an actual example.
通过工程实例介绍了数字化成图技术在水库库区地形图测绘中的应用。
This paper discusses the method of digital mapping in surveying and mapping of topographic map by employing an actual example.
通过工程实例介绍了数字化成图技术在水库库区地形图测绘中的应用。
In this paper, it is discussed how to design topographic map intelligent generalization system, based on cartographic data bank.
本文论述了在地图数据库的基础上如何进行地形图智能综合系统的设计。
It can be used in approaching curve, designing pattern, teaching demonstrate and drawing mechanical draft, topographic map and so on.
可用于曲线拟合、图案设计、教学演示以及绘制机械图、地形图和其他工程图样。
Methods for computer to identify and input topographic map are briefly discussed. Also, functions and applications of the system are shown here.
着重阐述了地形图计算机识别和录入的方法、系统功能及其应用。
For research of operation mode of the reservoir, the aerial topographic map was surveyed once again by the Yellow River Design Institute in 1995.
为了满足水库运用方式研究的需要,黄委会设计院于1995年5月航测了水库1:1万地形图。
The topographic map scanning digitization is an important acquisition method for GIS data, which has become the mainstream of the map digitization.
地形图扫描数字化为GIS数据源的一种重要获取手段,已经成为地图数字化的主流。
At last, according to the newest coastal zone topographic map standard, the author designs the coastal zone topographic map symbol database with COM.
最后,利用组件技术,设计完成了符合最新海岸带地形图图式标准的海岸带地形图符号库。
The water levels and water volumes of the lake in different periods were calculated by using a digital elevation model created by the topographic map.
利用数字高程模型求取易贡湖各时相的水位与水量;
Beginning with the nature and character of map symbols, it classifies coastal zone topographic map symbols and data according to the actual application.
从地图符号的本质和特征入手,根据具体应用把海岸带地形图符号进行分类和数据分层。
The campus topographic map was managed by applying Geographic Information System (GIS) and the channels of managing elements of topographic map were probed.
本文应用GIS管理技术对校园地形图进行管理,并探讨了对地形图要素进行管理的途径。
Orthophotomap has been increasingly used to practical production because it keeps rich aerial photograph information and has the feature of topographic map.
正射影像图因为保留了航摄像片丰富的影像信息又具有地形图的特征,因此,在实际生产中得到了越来越广泛的应用。
Through the analysis on every procedure of surveying 1:500 topographic map with the method of transit mapping, the position error of 1:500 topographic map is got.
通过对经纬仪测绘法1:50 0地形测图过程中各个工序的分析,得出了1:50 0地形图上的点位中误差。
The digitalization errors of topographic map result in geometry change for the objects on the earth. We can reduce geometry change by means of measuring adjustment.
地形图数字化误差造成地物几何形变,采用测量平差的理论方法可以减弱形变。
The steps for the system establishment include digitizing the forest types map and topographic map and linking the attributes of forest types and spatial information.
该系统的建立包括林相图、地形图的数字化与处理,小班属性与空间信息系统相联结。
When the precise geometric rectification of TM imagery was made with the ground control points selected from topographic map in scale of 1:100000, the accuracy of half a pixel is high.
由1:10万地形图选取平面控制点对TM磁带进行精处理,平面定位精度为半个象元,精度较高;
This paper discussed in detail algorithm of geometric rectification by scanned topographic map based on teaching model with least squares method to heighten image quality and data accuracy.
针对扫描矢量化这一数据采集手段,以提高图像质量、数据精度为目的,以教学模型为基础,利用最小二乘原理,详细讨论了扫描后的地形图几何纠正算法。
Aiming at the existed problem of sparsing elevation points in traditional topographic map generalization, this paper presented the sparsing method for elevation points based on feature points.
针对传统地形图缩编中高程点抽稀存在的问题,提出基于特征点的高程点抽稀的方法,使用此方法一方面可以保留特征点处的高程点,另外可以实现高程点的自动抽稀。
Aiming at the existed problem of sparsing elevation points in traditional topographic map generalization, this paper presented the sparsing method for elevation points based on feature points.
针对传统地形图缩编中高程点抽稀存在的问题,提出基于特征点的高程点抽稀的方法,使用此方法一方面可以保留特征点处的高程点,另外可以实现高程点的自动抽稀。
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