《Table 5 The details of the header file shown in Figure 13》

《Table 5 The details of the header file shown in Figure 13》   提示:宽带有限、当前游客访问压缩模式
本系列图表出处文件名:随高清版一同展现
《时空谱多维数据格式(MDD)结构与计算机配套系统》


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The MDA module can generate a temporal cube with different spectral features,with the spectral band mathematics used to obtain the spectral features.Here,the generation of an NDVI time series is used as an example.First,the“Characteristic Export”interface is accessed by selecting the“Characteristic Cube”in the“Select Export Type”list,as shown in Figure 17.Then,the expression“(b1-b2)/(b1+b2)”is inputted in the“Characteristic Expression”and applied.Third,“Band 2”(the near infrared band in MODIS)is appointed as“b1”and“Band 1”(the red band in MODIS)is appointed as“b2”.Finally,the times needed by users can be selected and the NDVI time series can be generated.