landsat images 中文意思是什麼
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Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976
以一般高潮線反映現代黃河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現凈蝕退；清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。 -
Combining methods and diversity measures in multiple classifier systems for thematic classification of landsat tm images
影像分類領域多分類器線性組合方法及差異性度量研究 -
After the introduction of the wavelet theory and the principle of wavelet - based image fusion, we test the radarsat and landsat images using gray - value algorithm
在對小波變換的基本理論和其用於融合的原理進行介紹之後，我們利用了灰度值選擇運算元針對radarsat和landsat圖像進行了相關實驗。 -
Based on the research of intertidal flat topography measure at home and abroad, this article avoids some problems troublesome, such as the dependence of the station of tide gauging, precise match of images and so on. first, we monitor soil water content of intertidal flat through building correlation model between soil water content of intertidal flat and landsat tm data, then we analyse the correlation between soil water content and topography of intertidal flat, last, we extract topography of intertidal flat combining with gis
本文在總結國內外潮灘地形測量研究的基礎上，避開對潮位站的依賴和影像精配準問題，以江蘇大豐港堤附近淤泥質潮灘為研究區域，通過遙感方法建立潮灘土壤水分與tu光譜值的定量數學模型，提取潮灘土壤含水量信息，然後通過潮灘土壤水分與地形的定量關系，結合gis技術反演潮灘地形。 -
In one study, ted scambos of the national snow and ice data center in boulder, us, analysed five images taken by the landsat 7 satellite between january 2000 and february 2003
在一項研究中，美國國家冰雪數據中心（位於博爾德市）的特德?斯坎博斯對美國地球資源探測衛星7號在2000年1月和2003年2月之間拍攝的五幅圖像進行了分析。 -
The scientists used a variety of data from satellites to track the speed of the glaciers before and after the collapse of larsen b. in one study, ted scambos of the national snow and ice data center in boulder, us, analysed five images taken by the landsat 7 satellite between january 2000 and february 2003
在一項研究中，美國國家冰雪數據中心位於博爾德市的特德斯坎博斯對美國地球資源探測衛星7號在2000年1月和2003年2月之間拍攝的五幅圖像進行了分析。 -
Employing the satellite images of landsat - mss and landsat - tm and the integrated techniques of rs, gis, and gps, the authors, with maotiaohe river basin as a case, studied the process and driving factors of land use / cover changes since the beginning of 1970s, and modeled the possible land use / cover changes scenarios in the coming 10 years based on clue - s model, and then made an ecological evaluation on effect of the changes over the past 30 yeas as well as in the coming 10 years by using theory and method of landscape ecology. in this research, the authors, from the angle of international lucc studies, threw much light on the land use / cover changes in the basin and also the derived ecological and environmental problems such as karst rocky desertification
本文以位於貴州中部的貓跳河喀斯特流域為對象，以1973年的mss和1990年、 2002年的tm等衛星影像為數據源，運用rs - gis - gps集成技術，研究了該地區在過去三十年間土地利用/覆被變化的過程、驅動機制，運用clue - s模型模擬、預測了該流域在不同目標情景模式下的土地利用/覆被變化，並運用景觀生態學的方法對貓跳河流域過去三十年間的土地利用/覆被變化以及未來不同情景模式下的土地利用/覆被變化的生態效應進行了評價。 -
When it comes to feature - based image fusion, we make use of mean - shift to extract appropriate features according to the characteristics of radarsat and landsat images, then apply the bayes theory to feature level fusion classification
在特徵級的圖像融合中，我們針對radarsat和landsat圖像的特點，採用滑動窗方法提取適當的特徵，然後用bayes理論來進行特徵層的融合分類。 -
The degradation evolution route of the grassland ecosystem in xilin river basin was analyzed utilizing gis techniques from the view of the point of land use / land cover classification of multi - temporal landsat tm / etm + images
從遙感影像的分類結果入手，用gis方法分析了錫林河流域草地系統的退化演化路徑。 -
To produce lup and lut for the study of broad landuse pattern in the prd region, an innovative hierarchical image processing approach has been adopted to maximise the information extraction from landsat etm images
為繪制用於珠江三角洲地區土地利用模式研究的土地利用圖和土地利用表，我們採用了創造性的分級圖像處理方法，以便最大限度地從地球資源衛星etm圖像中獲取資訊。 -
The northern part of ailao mountain, located in the middle of yunnan province, was selected as study area. based on three landsat mss / tm / etm satellite images, as well as “ 3s ” technology combining with the method of mathematical statistics, the objective of this paper was to analyze the law of spatial ( gradient, slope orientation and elevation ) and temporal changes in land use / land cover on the northern part in the periods of 1974 1987 and 1987 2003. and analyzes land use / land cover change character in nature reserve and its meighbour region within the confine of the study area
本文選擇滇中哀牢山北段作為研究區域，以1974年mss影像， 1987年tm影像和2003年etm影像為主要數據源，運用「 3s 」技術，並結合統計分析，探討研究區1974 1987年、 1987 2003年間土地利用的時間和空間（坡度、坡向、海拔）變化規律，並分析了研究區內的自然保護區及其周邊土地利用/覆蓋變化特徵，以期為山地土地資源的可持續利用和生態保護等方面提供依據。 -
The new algorithm has been tested on various multispectral and panchromatic satellite remote sensing images on ikonos, quickbird, spot, landsat tm / etm + for different areas, and has been compared with some other typical image fusion methods
新融合演算法被用於不同地區的ikonos 、 quickbird 、 spot 、 landsattm / etm +等多種多光譜/全色衛星遙感圖像的融合實驗，並與其它一些典型的圖像融合演算法進行了比較分析。 -
3 ) linear features extraction and measurement in cotton area estimation using landsat tm image linear features, such as roads and irrigation channels, make a result of about 13 % errors in cotton area monitoring using landsat tm images in northwest china ' s xinjing province
經數學方法與實際應用驗證，該模型簡單、操作方便並且識別棉花的準確程度較高，同時加強了圖像解譯速度，適應于運行系統。 3 ）棉花遙感監測面積提取中線狀地物扣除的研究為提高棉花面積提取精度，完善棉花遙感監測運行系統。
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