terrain elevation 中文意思是什麼
terrain elevation
解釋
地形海拔-
On february 12 and 13, 2004, two seminars featuring masters videos were held in quillabamba city, known in the incan language as quechua, the moons place. the community is located in a lush, scenic valley 1, 047 meters above sea level and a nine - hour drive by car from cusco through hilly terrain reaching 4, 600 meters in elevation
2004年2月12 13日，秘魯同修在魁拉班巴市uillabamba舉辦了兩場錄影帶弘法講座。魁拉班巴在印加語又稱為蓋楚瓦，意指月世界，位於海拔1 ， 047公尺的蒼翠美麗山谷中。 -
To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反（散）射光分量進行了深入分析，在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋（ lai ） 、地形起伏和海拔高度的影響，並以象元坡面定義的半球空間立體角對環境入射光進行積分，使周圍地形和天空散射光均得到適當考慮，計算量又在可接受范圍內。 -
At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。 -
But within the boundaries the multi - basin terrain, the elevation not high the topography fluctuation is changeable, from this each kind of land type is extremely rich, has the mountainous region, the land on slopes, the flat land, the sand beach, the irrigation and so on, from this this is since the ancient times rich on the products, north each crops forest as well as cultivation raising livestock has produces
境內多盆地地形，海拔不高但地勢起伏多變，由此各種土地類型極為豐富，有山地、坡地、平地、沙灘地、灌溉地等等，由此該地自古以來就物產豐富，北方各種作物林木以及養殖畜牧均有出產！ -
By computing the between two resolution units, we can estimate terrain azimuthal slopes and derive estimate of terrain elevation. the terrain contour is determined uniquely by ay / from azimuth slop on range gates. american began to study p - sar three - dimensional images technology in 1990s
Schuler已經證明，對於一個均勻分佈場景， sar圖像上兩個相鄰分辨單元的極化橢圓方向角偏移量，與地形方位向坡度的對應關系是線性唯一的，地形方位向的傾斜度可以通過解唯一地被測定。 -
This paper presents a spatial analysis method based on multi - temporal dem elevation changes and dom images changes and gives a qualitative and quantitative analysis of the terrain change
摘要提出了多時相dem的高程變化與dom影像變化分析協同的空間分析方法，對地表變遷進行了定性與定量的分析。 -
Creating 3d terrain - realistic graphics by digital elevation model
利用數字高程模型生成地形三維模擬圖 -
Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research
論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術，並論述了課題研究的背景和選題依據;其次，論文闡述了如何對等高線數據進行預處理，提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型，通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述，主要是從lod技術的三種演算法著手進行研究，通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點，再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後，用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統，為論文的研究內容提供了有力的論證。 -
The territory of nankai district became the land after the sea receded nearly four thousand years ago, and the terrain is flat with higher elevation in north and lower elevation in south
「南開」的由來南開區區境約在四千年前退海成陸，地勢平坦，北高南低。 -
Both craters and tire tracks change either the elevation of terrain or the surface properties such as color, texture. therefore, we called the technique to generate the craters and the tire tracks in real time as the technique of real - time visualization of dynamic terrain
由於炮彈在地面上炸出彈坑和車輛駛過地面后留下壓痕，其本質上都是改變了地形表面某處的高程值和（或）顏色紋理等屬性，所以，本文將這兩種特殊效果的實時生成技術統一為動態地形的實時可視化技術。 -
Based on lots of advanced results of computer graphics, modem mathematics, computer science and topography, etc. this thesis discussed the theory, techniques and arithmetic of three - dimensional terrain visualization in three - dimensional gis, such as terrain modeling techniques for digital elevation model, basic theory of three - dimensional terrain visualization, dynamical three - dimensional terrain display with simplified model, and spatial query methods within three - dimensional terrain maps. among these techniques, combined with concrete requirements for visualization in flood control decision - making system, this thesis emphasized on the following aspects : 1
本文在吸取了計算機圖形學、現代數學、計算機科學、測繪學等眾多領域大量先進理論成果的基礎上，系統的論述了三維gis中地形三維可視化的理論、技術和演算法，包括數字高程模型的地形表面建模技術、地形三維可視化的基本理論、基於模型簡化的地形三維動態顯示技術以及基於三維地形圖的空間查詢技術。 -
A digital elevation model ( dem ) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals. dem may be used in the generation of three - dimensional graphics displaying terrain slope, aspect ( direction of slope ), and terrain profiles between selected points
數字高程模型（ dem ）是反映高程信息的數字地面模型，它是以數字的形式按一定的結構組織在一起、表示實際地形高低起伏和地形大小特徵的空間分佈模型。 -
This dissertation is mainly about regional land resource evaluation and land use analysis based on g1s and soter ( soil and terrain spatial and attribute database ) database. the research content is composed of three parts. the first is medium scale soter database study, in this part, the new landform indexes are studied, which are elevation classification, slope classification and relief index classification
在邯鄲地區1 25萬soter土壤土地數據庫建立方面，主要探討了適用於該比例尺的主地形體指標，提出海拔高度分組指標、坡度分組指標和地勢起伏強度分組指標，並利用上述三個指標組合劃分出邯鄲地區中坡度丘陵（ sh ） 、低坡度山前臺地（ lm ） 、山谷（ lv ） 、中坡度山體（ sm ） 、山前傾斜平原（ lf ）和沖洪積平原（ lp ） 6個主地形體組分。 -
D. l. schuler has proved the elevation error from polarometric sar terrain height measured, compared with the elevation error from insar, is same statistically
試驗結果表明極化sar三維成像的高度測量誤差與insar三維成像的高度測量誤差的統計值基本相同。 -
In this paper, the author discusses the theories and methods on making high quality digital elevation model based on terrain feature from digital contour line
本文全面系統地淪述了基於地性特徵建立高質量dem的理論和方法。 -
Digital elevation model ( dem ) is widely known as the kernel of national foundation geographical information database, as well as the basis of digital terrain analysis in gis for it contains plentiful topographical, geomorphology and correlative geographical information and acknowledge
Dem是國家基礎地理信息數據庫的核心內容，是gis數字地形分析的數據基礎，包含著豐富的地形、地貌及相關的地學信息與知識。 -
The main contributions of the dissertation are as following : ( 1 ) according to the theories of co - polarization and cross - polarization scattered characteristics, co - polarization and cross - polarization scattering characteristics of typical targets have been analyzed detailedly in this paper. a mechanism is described that rough surface tilted ( symmetrical distribution scene ) conduces to estimate terrain slope. so, we can estimate an elevation outline of symmetrical distribution scene without any experiential knowledge
本文的主要貢獻可歸納為以下五點：山廠村拈人學博十論義2001 （ l ） 4十日標的共極化和交義極化敞射理論，詳細分析了典型11杯的共極化和交義極化敞射特性，網明傾斜的均勻分佈場景（粗糙表而）的共極化敞射特性4i利十提取地形方位向高度輪廓的機jrp 。 -
As the terrain falls away moderately sharply at the end of the 50 metre run, the helicopter became airborne again and travelled a horizontal distance of approximately 100 metres whilst falling through a vertical height of some 100 feet before impacting with terrain for a second time in a nose high attitude at an elevation of 1150 feet amsl. the main body of the wreckage finally came to rest after travelling forward for a further 30 metres
在直升機沖前接近50公尺處，山勢頗為陡峭向下，直升機因而再度離地，在半空中沖前約100公尺，而下墜的垂直高度為100尺左右，然後在高出平均海平面1 ， 150尺以仰角撞向另一山坡，繼而再沖前30公尺后停下，現場遺留主機體殘駭。飛行員和空勤員喪生。 -
On the basis of geographic information system, the data files of foreshore terrain in shanghai about twenty years are exported with the support of digital elevation model. basing on these files, the foreshore digital terrain model is established
在地理信息系統的平臺上，本文藉助數字高程模型，導出上海市近二十年灘塗地形的數據文件，並以此為基礎建立了灘塗數字地形模型。
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