航天遥感在卡林型金矿探测中的应用─—以黔桂地区为例

研究了黔桂地区卡林型金矿的岩矿石光谱特征，ＴＭ波段比值与岩矿石化学成分的相关性，并在此基础上进行了图像处理，提取与金矿化有关的蚀变信息，取得了满意的结果。     

Classification of Vegetation Coverage of Wetland Landscape based on Remote Sensing in the Coastal Area of Jiangsu Province

The Vegetation Coverage Estimation Model (VCEM) was established based on the classification of coastal wetlands by remote sensing technology and the improved dimidiate pixel model as well as the Normalized difference vegetation index (NDVI).The VCEM was used to calculate vegetation coverage (Fc) and grade level for different wetland types in the study area of Yancheng,Jiangsu Province.The relationship between wetland vegetation coverage and their types was analyzed further by overlaying the coverage classification map and wetland landscape map.The results show that the zonal distribution of plant community of the coastal wetland was notable.And the vegetation coverage level varies with different types of wetland.The reed marshes tend to grow at the high vegetation coverage zone,which account for 67.45% of the total area of reed marshes,and the medium vegetation coverage zone account for 23.61%,and the low vegetation coverage zone only account for 8.94%.Most the Suaeda salsa marshes were in the medium vegetation coverage zone,which account for 81.14% of its total area,and 3.36% and 16.06% were distributed at the high vegetation coverage zone and the low vegetation coverage zone respectively.Most of the Spartina alterniflora marshes were distributed at the high vegetation coverage zone,accounting of 83.47% of its total area,and only 15.07% at the medium vegetation coverage zone,1.74% at the low vegetation coverage zone.In addition,most high vegetation coverage areas of wetlands were distributed at the middle location of each vegetation zone,and the Transition zone for each wetland type was usually with lower vegetation coverage level.     

Surverying Investigation by Remote Sensing Teehnique on the Bloeking一storing Potential of Ground Surface Water Resources in Sanyi Area

以三沂地区应用为例，从流域下垫面特征研究出发，阐述了利用遥感技术与信息未统结合常现方法计算地表水资源的途径，分析了区域地表水拦蓄潜力。     

APPlications of Transform and Ant一transform Methods in Remote Sensing Image Processing

遥感图像处理中有许多正变换与逆变换处理，富立叶变换与逆变换、RGB来统与IHS系统之间的彩色空间变换以及主成分变换与逆变换就是典型的变换与逆变换处理技术。灵活地运用这些技术十分重要，分析了这些变换技术的特点，给出了在图像处理中的具休应用实例。     

The APPlication of Band Ratio ComPosite And Feature一oriented PrinciPal ComPonent Seleetion in the Extraction of Oil一gas Signature

根据烃类徽渗漏性变物质的波谱特性，在TM影像上研究了三种计算机提取油气信息的方法:(1)比值合成法;(2)六波段特征主成分选择~IHS逆变换~彩色合成;(3)四波段特征主成分选择~IHS逆变换~彩色合成。利用这些方法有效地提取了油气信息，取得了较好的实际效果。     

A system for knowledge discovery in e-learning environments within the European Higher Education Area – Application to student data from Open University of Madrid,UDIMA

In today's open and dynamic learning environment, a significant percentage of students have a preference for flexible learning systems whereby they can reconcile their academic pursuits with their job responsibilities and family obligations.Non face-to-face educational models, like e-learning (electronic learning), evolved in order to offer such flexibility. E-learning systems have major strengths but also pose major challenges to the educational community.One such challenge is the large spatial and temporal gap between the teacher and student, which is an obstacle to student follow-up by teachers. The information generated by virtual learning systems sometimes overwhelms instructors who are unable to process the data without the support of special-purpose techniques and tools that are useful for analysing large dataflows.