搜索结果: 1-15 共查到“工学 FY-3”相关记录30条 . 查询时间(0.109 秒)
中国科学院长春光学精密机械与物理研究所研制的FY-3E太阳辐照度光谱仪获得国内首次空间太阳全能谱高光谱辐照度信息(图)
FY-3E太阳辐照度光谱仪 太阳全能谱高光谱 太阳夫朗和费谱线
2022/4/22
ENVIRONMENTAL MONITORING IN MONGOLIA SUPPORTED WITH MODIS AND FY-2C SATELLITE DATA
Land Cover Environment Resources Disaster Drought Application Monitoring
2015/12/28
Mongolia is a country which relies on exploitation of its natural resources. The productivity of the agricultural sector, which plays and important role to the Mongolian economy, is sensitive to droug...
MONITORING DIURNAL UNDERWATER TEMPERATURE USING FY-2C IN POYANG LAKE NATURE RESERVE,CHINA
Satellite Remote Sensing Hydrographic Features Environmental Monitoring,FY-2C Underwater Water Temperature Submerged Aquatic Vegetation Simulation Mode Poyang Lake Nature Reserve
2015/12/28
Significant numbers of bird species forage on the tubers of the submerged aquatic species. This resource is difficult to map due to the submerged nature of these species. Because the temperature is th...
THE RESEARCH ON APPLICATION OF FY-2C DATA IN DROUGHT MONITORING
Drought FY-2C Cloud Index Temperature Drought-monitoring Model
2015/12/28
FY-2C satellite data, with high temporal resolution and vast coverage range, have been applying for long-term and dynamic drought-monitoring, as well as for weather forecast, especially for forecastin...
DROUGHT MONITORING FOR ASIA-PACIFIC AREA USING THE CLOUD PARAMETERS METHOD BASED ON FY-2 DATA
Meteorology Soil Application Monitoring Simulation Method
2015/12/26
In this paper, our recent research mainly focuses on the application of the drought monitoring using the cloud parameters method for the drought monitoring of China. In order to apply this method for ...
针对风云二号(FY-2)中波红外波段地球目标图像空间分辨率低的问题,提出了从月球图像中提取刃边目标进行调制函数(MTF)计算,根据图像质量评价参数进行图像复原提高图像空间分辨率的方法。首先根据FY-2定位模型设计了月球可视位置算法,搜索到月球图像;通过一阶微分、极值匹配等处理,基于傅里叶变换得到FY-2G中波红外波段在轨MTF评价曲线。然后,根据MTF计算结果,采用维纳滤波器对中波红外波段图像进行...
A DYNAMIC THRESHOLD CLOUD DETECTING APPROACH BASED ON THE BRIGHTNESS TEMPERATURE FROM FY-2 VISSR DATA
Cloud detecting Brightness temperature
2015/5/6
The traditional statistical methods and radiation transfer theory methods for cloud detecting have a high adaptability just only in those areas with a uniform surface coverage and noncomplex terrain...
VIRR/FY-3A分裂窗波段与AIRS/AQUA和IASI/METOP-A数据的交叉辐射定标
分裂窗波段 大气红外探空仪/AQUA 干涉式红外大气探测仪/METOP-A 交叉辐射定标
2015/12/24
实际应用显示搭载在风云三号A星(FY-3A)上的可见光红外扫描辐射计(VIRR)的两个分裂窗波段(IR4,~10.8 μm;IR5,~12.0 μm)存在定标偏差。本文选择高光谱卷积法,用AQUA卫星搭载的大气红外探空仪(AIRS/AQUA)和METOP-A卫星搭载的干涉式红外大气探测仪(IASI/METOP-A)的观测数据对VIRR/FY-3A的两个分裂窗波段进行交叉辐射定标。根据卫星轨道特点,...
为了解决风云-3C/臭氧总量探测仪(FY-3C/TOU)太阳辐照度数据异常的问题,给出了一种求解TOU漫反射板坐标系安装偏差的算法,并利用调整后的安装参数对TOU太阳辐照度进行了修订。系统研究了该算法的基本原理及数值分析结果。该算法假设TOU在轨实际漫反射板坐标系与理想漫反射板坐标系之间的偏差可用未知转换矩阵刻画,根据太阳辐照度真值与TOU修订辐照度数据之间的关系建立了关于未知变量的方程。然后,基...
基于风云-3C/可见光红外扫描辐射计(FY-3/CVIRR)的中红外通道(3.7 μm)的太阳污染现象和发生规律,分析了太阳污染出现的时空特征,提出了初步判识并修正北半球太阳污染数据的方法,并就太阳污染对定标系数和黑体亮温的影响做了定量的评估。结果表明,对于FY-3C/VIRR的中红外通道,太阳光线照射到定标黑体时所形成的北半球高纬度太阳污染主要出现在太阳天顶角在85°~118°之间的位置时;由太...
分析研究了风云-3C中分辨率光谱成像仪(FY-3C/MERSI)发射一年以来反射太阳波段的辐射定标精度,利用位于全球范围内的沙漠、盐湖等12种亮度稳定目标,结合中分辨率成像光谱仪(MODIS)的地表和大气参数产品和大气辐射传输模型,计算出了卫星过境时刻入瞳处的波段反射率,并将其作为在轨绝对辐射定标精度检验的参考真值,对2014年1月~10月期间,FY-3C/MERSI反射太阳波段的辐射定标精度进行...