搜索结果: 1-7 共查到“农学 ETM”相关记录7条 . 查询时间(0 秒)
FOREST TYPES CLASSIFICATION USING ETM+ DATA IN THE NORTH OF IRAN/ COMPARISON OF OBJECT-ORIENTED WITH PIXEL-BASED CLASSIFICATION TECHNIQUES
Forestry Mapping Segmentation Comparison Classification Method Object Pixel
2015/7/30
Different classification methods have been used for classification of satellite data by researchers. Addition to current classification,
pixel-based methods, developments in segmentation and object ...
INVESTIGATION OF THE POSSIBILITY OF FOREST TYPE MAPPING IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA
Forest Classification Accuracy Landsat Fusion Quality Soil Vegetation
2015/7/29
Landsat ETM+ data from the National Park of Khabr in Kerman province, dating May 2000, were analyzed to investigate the
possibility of forest type mapping in arid and semi-arid regions.Quality evalu...
Detection of preparatory water in paddy irrigation area using RADARSAT/SAR-C and Landsat/ETM+
Remote Sensing Crop SAR Optical Accuracy Multitemporal
2015/7/29
Paddy rice is one of the most important crops in Japan and it needs much water to grow, especially for water reserves for paddy
irrigation. The test site “Owari Seibu” doesn’t have enough irrigation...
基于ETM+影像的棉花低温冷害遥感监测方法研究
ETM+ 棉花 低温冷害 遥感
2011/4/1
为了能及时、大范围地遥感监测棉花的低温冷害状况，以便安排救灾及灾后评估，应用棉花影像
特征参量及植被指数变化分析的方法，对2001 年7 月25 日和2001 年8 月10 日ETM+数据，经过几何校
正、辐射校正、行星反射率转化等，分别形成基于DN值、辐亮度、行星反射率的NDVI，分析2001 年7 月
28 日—2001 年8 月1 日强低温入侵前后棉田的影像参量及光谱特征变化情况。结果...
不同载体固定化海洋微生物酯酶ETM-b的性能比较
海洋芽孢杆菌酯酶 固定化酯酶 壳聚糖 非水介质催化
2015/5/29
分别采用海藻酸钠包埋法、明胶包埋交联法、壳聚糖吸附交联法制备固定化海洋芽孢杆菌酯酶ETM-b，并对其固定化条件进行了研究。结果发现，壳聚糖制备的固定化酶效果最好，壳聚糖2%、戊二醛浓度1%、小球与酶液4∶3（g/ml）时制备的固定化酶的活性回收最高，达到66%。壳聚糖制备的固定化酶使用10次，相对活性保留70%，具有良好的操作稳定性。固定化酶在非水介质中具有转化α-乙酸萘酯(α-Naphthyl ...
采用小波变换、小波和PCA 相结合、小波和HIS 相结合等遥感影像融合方法对Landsat7 ETM+ 多光谱与全色影像进行融合和土地
覆盖分类研究, 并结合影像的光谱统计参数和融合影像分类精度对这些方法进行评价, 结果发现这3 种融合方法均能不同程度地提高
影像的分类精度。其中, 第3 种方法所得融合影像与原多光谱影像的相关系数最大, 均方差、相关系数和信息熵最大, 影像所含信息量
最多...
Evaluating the Topography and Climatic Variability on Agricultural Land Use Changes in Semi-Arid Terrain. Using EO-1 ALI and ETM+ Data
Hyperspectral Multispectral Topography Climatic Changes Agricultural Changes
2016/4/7
The growth of human population, increasing demand for agricultural production and concerns about food security in the world are among the reasons for growing interest in land monitoring based on satel...