搜索结果: 1-15 共查到“ASAR”相关记录27条 . 查询时间(0.055 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...
ASAR IMAGE TARGET RECOGNITION BASED ON THE COMBINED WAVELET TRANSFORMATION
Advanced Synthetic Aperture Radar Target Recognition Combined Wavelet Transformation Cloud Model Mathematical Morphology
2015/12/30
ASAR image target detection and recognition has been always a hot research. In this paper, on the foundation of the previous studies, a target recognition method based on combined wavelet transformati...
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...
SOIL MOISTURE ESTIMATION FROM RADARSAT-1,ASAR AND PALSAR DATA IN AGRICULTURAL FIELDS OF MENEMEN PLANE OF WESTERN TURKEY
RADARSAT-1 ASAR PALSAR Soil Moisture Backscatter
2015/12/30
Due to the accelerating global warming, droughts which cause severe damages especially in the agriculture became a very recurrent phenomenon in all over the world. Monitoring the characteristics of so...
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...
Study on Flood Submergence Area Monitoring Quickly Using ASAR Data
ASAR ENVISAT Flood Submergence Area Monitoring Remote Sensing Dongting Lake
2015/12/18
The object of this paper is taking full advantage of ENVISAT ASAR image in differentiating land and water area based on the research of ASAR image character, to work out a efficient method to monitor ...
Atmospheric Effects Removal of ASAR-derived InSAR Products Using MERIS Data and GPS
Satellite remote sensing,Calibration Interferometric SAR (InSAR) Spatial modeling Atmosphere Water vapor MERIS
2015/11/20
As confirmed by many scientists, atmosphere has intensive contaminative role on Interferometric Synthetic Aperture Radar (InSAR) measurements. Atmospheric parameters, always influence radar’s phase bu...
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...
evaluation of the potential of sar ers and asar envisat sensors in multi-incidence and multi-polarisation modes for landscape study in french guyana: examples of kourou and saint laurent du maroni
Calibration Comparison Polarization Landscape Radar SAR
2015/9/1
This study aims to assess the contribution of ENVISAT ASAR data for the monitoring of the littoral plains of Kourou and Saint Laurent du Maroni (French Guyana).
Multi-temporal classification of asar images in agricultural areas
ASAR Classification Multi-Temporal
2015/8/21
Human activities strongly affect the environment and impact natural resources. To reduce the disadvantages, we have to monitor the
human activities as well as the environment. Therefore demand on con...
RICE-PLANDTED AREA EXTRACTION BY TIME SERIES ANALYSIS OF ENVISAT ASAR WS DATA USING A PHENOLOGY-BASED CLASSIFICATION APPROACH: A CASE STUDY FOR RED RIVER DELTA, VIETNAM
Rice phenology Time series ENVISAR ASAR WS
2015/5/6
Recent studies have shown the potential of Synthetic Aperture Radars (SAR) for mapping of rice fields and some other vegetation types. For rice field classification, conventional classification tech...
对流层水汽引起的大气相位延迟是制约重复轨道InSAR 高精度测量的重要因素之一。为有效解决InSAR 中大气相位延迟的问题,对InSAR 中大气延迟误差进行了分析,研究了利用MODIS 水汽数据对ASAR 干涉图大气改正的方法及其关键技术,并以太原地区的ASAR 干涉图为例,对其进行大气改正。实验结果表明,MODIS/ASAR 大气改正方法可以显著地提高干涉图的质量,同时形变反演的精度也得到了明显...
海洋钻井平台的位置信息对溢油监测和航道安全有重要意义。针对目前海洋钻井平台遥感信息提取难、验证难的现状，根据海洋钻井平台位置基本保持不变的特性，本文提出了一种基于恒虚警率算法的海洋钻井平台提取方法。该方法包括三个主要步骤：首先利用GDEM数据制作陆地掩膜，然后基于双参数恒虚警率算法对两景成像时间靠近的ENVISAT ASAR影像进行海上目标提取，最后对两时期提取结果进行对比，去除舰船虚警目标，完成...