搜索结果: 1-13 共查到“摄影测量与遥感技术 Envisat”相关记录13条 . 查询时间(0.062 秒)
NEURAL NETWORK-BASED ANALYTICAL MODEL FOR BIOMASS ESTIMATION IN POYANG LAKE WETLAND USING ENVISAT ASAR DATA
biomass sar wetland monitoring
2016/1/3
Poyang Lake is the largest freshwater lake in China with an area of about 3,000 km2. Its wetland ecosystem has a significant impact on China' s environment change. Traditional way to monitor biomass c...
MONITORING AGRICULTURAL ACTIVITIES USING MULTI-TEMPORAL ASAR ENVISAT DATA
Land Cover Classification Change Detection SAR Multi-temporal Agriculture
2015/12/31
Agricultural activities affect strongly their environment. Therefore and because of their other economic, industrial and political effects, monitoring agricultural areas is increasingly demanded. Spac...
REDUCTION OF ATMOSPHERIC WATER VAPOUR EFFECTS ON ENVISAT ASAR INTERFEROGRAMS USING MERIS NEAR IR MEASUREMENTS
SAR Change Detection Radar Integration Monitoring Mapping Surface Geodesy
2015/12/30
Atmospheric water vapour effects represent a major limitation of repeat-pass Interferometric SAR (InSAR) techniques including InSAR time series approaches (e.g. permanent scatterers (PS) and small bas...
ESTIMATION OF SOURCE PARAMETERS OF 2003 BAM (IRAN) EARTHQUAKE FROM ENVISAT SAR IMAGES USING GENETIC ALGORITHM TECHNIQUE
Satellite Remote Sensing Earthquakes Spatial Modeling Disaster SAR Image Radar Interferometric SAR (InSAR)
2015/12/29
In this paper, we analyze synthetic aperture radar (SAR) interferograms derived from Envisat radar data. Use of interferograms from both ascending and descending satellite passes enables usto indicate...
PERCENT TREE COVER MAPPING FROM ENVISAT MERIS AND MODIS DATA
Forestry Percentage vegetation cover Mapping Metrics Prediction Algorithms
2015/12/28
The aim of this study was to compare percent tree cover products of Envisat MERIS and MODIS data of Seyhan River Basin at the Eastern Mediterranean Region of Turkey. In this study, Regression Tree (RT...
FUZZY CLASSIFICATION OF MEDITERRANEAN TYPE FOREST USING ENVISAT MERIS DATA
Fuzzy classification Linear mixture modeling Artificial neural networks Envisat MERIS
2015/12/28
The aim of this study was to classify Envisat MERIS and Landsat ETM satellite sensor imagery using fuzzy classification techniques such as, linear mixture modelling and artificial neural networks. The...
STUDY ON ENVISAT ASAR DATA ASSIMILATION IN RICE GROWTH MODEL FOR YIELD ESTIMATION
Rice Yield Map Crop Model Radar Model Data Assimilation Optimization Algorithm Classification
2015/12/28
In this paper, a practical scheme for assimilation of multi-temporal and multi-polarization ENVISAT ASAR data in rice crop model to map rice yield has been presented. To achieve this, rice distributio...
LAND COVER CLASSIFICATION USING MULTI-SOURCE DATA FUSION OF ENVISAT-ASAR AND IRS P6 LISS-III SATELLITE DATA–A CASE STUDY OVER TROPICAL MOIST DECIDUOUS FORESTED REGIONS OF KARNATAKA,INDIA
Remote sensing Land cover Classification Multisensor Fusion ASAR
2015/12/23
The present study addresses the potential of Synthetic Aperture Radar (SAR) data for land cover classification in parts of Dandeli forested regions, Karnataka, India. a FCC has been generated from coh...
MAPPING OF AGRICULTURAL ACTIVITIES USING MULTI-TEMPORAL ASAR ENVISAT DATA
ASAR Classification Multi-Temporal Land-use Monitoring
2015/9/17
Space borne radar data facilitates continuous monitoring of almost any location on the earth (limitations in polar zones) at quite low costs. Almost weather-independent operation of radar systems enab...
Land cover classification in ukrainian carpathians using the meris terrestrial chlorophyl index and red edge position from envisat meris data
MERIS Terrestrial Chlorophyll Index Red Edge Position Ecosystems monitoring
2015/8/20
This paper describes the results of a preliminary study towards the use of MERIS data for land cover classification in the Ukrainian
Carpathians. The work is carried out in the frames of BEAR initiat...
STUDIES ON URBAN HEAT ISLANDS USING ENVISAT AATSR DATA
Satellite Data Surface Albedo Surface Energy Balance Evapotranspiration Thermal Inertia Urban Heat Island Surface Temperature
2015/8/3
In the studies related to surface energy balance, satellite data provides important inputs for estimating regional surface albedo and evapotranspiration. The paper describes the analysis of day and ni...
ENVISAT-1 ASAR成像系统的设计和实现
ASAR RD算法 多普勒估计 并行设计
2013/11/4
针对ENVISAT1卫星，研究了ASAR数据成像关键算法，给出一种提高系统多普勒估计稳定性的渐进策略。文章详细论述了系统的设计和实现方法，并给出了成像系统的实际处理结果。
应用ENVISAT卫星遥感数据进行地形测绘及资源环境监测的研究
遥感 地形测绘 影像处理
2008/8/19
合成孔径雷达数据应用于地形测绘的关键技术研究方面，以雷达干涉（INSAR）测量为主，研究了从星载SAR影像快速，自动提取高程信息的关键技术和相关理论，着重解决了单视数SAR影像斑点噪声（speckle）的滤波、重复轨道INSAR影像的高精度配准、干涉条纹图（interferogram）的复空间去噪处理、复杂地形条件下快速、自动实现相位解缠、几何精纠正算法和雷达测角方法中后处理平滑等几个关键技术，初...