Using TM data and image process software ENVI3.2, the winter wheat area and distribution information were obtained by methods of Spectral Angle Mapper and man machine interactive interpretation etc.
应用陆地卫星TM资料和遥感图像处理ENVI3.2软件，以监督分类波谱角法、人机交互等方法提取冬小麦面积及分布信息。
In the paper, Beijing winter wheat planting area was extracted by means of MODIS based on the temporal and spectrum information.
论文基于时相和波谱信息，利用MODIS数据监测了北京冬小麦的种植面积。
Dividing duplicated areas reasonably and re processing the remote sensing data are important ways for improving credit limit of regression model between winter wheat area (or yield) and Green Value.
遥感数据再处理以及合理划分试验同步区是提高作物面积（产量）与绿度值回归模型信度的重要途径。
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