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1、实验报告班级：姓名：学号：实验名称大气遥感上机实验一、实验目的1、了解常用数据，如MODIS数据等；2、了解MODIS相关产品的特性；3、掌握MATLAB软件对遥感数据的处理过程；4、掌握ENVI软件对遥感数据的处理。二、实验数据FY2D_FDI_ALL_NOM__0330.HDFMOD03.A.0320.005.21.hdfMOD05_L2.A.0320.005.28.hdfout.clrcloud.proMOD35_L2.A.0320.005.44.hdfFY2D_FDI_ALL_NOM__0330.HDFFY3A_MERSI_GBAL_L1__0340
2、_1000M_MS.HDFAVIRIS_1998_scale.txtJasperRidge98av.hdrJasperRidge98av.imgJasperRidge98av_template.txtLandsatTM_JasperRidge_hrf.fstLandsatTM_JasperRidge_b10.fstLandsatTM_JasperRidge_b20.fstLandsatTM_JasperRidge_b30.fstLandsatTM_JasperRidge_b40.fstLandsatTM_JasperRidge_b50.fstLandsatT
3、M_JasperRidge_b70.fstJasperRidgeTM_template.txt三、实验内容（实验主要内容，软件操作的主要过程截图及实验结果图）1、基于Matlab的hdf格式卫星资料读取/成像1）hdf5的组成信息>>fileinfo=hdf5info('FY2D_FDI_ALL_NOM__0330.HDF')toplevel=fileinfo.GroupHierarchydataset1=toplevel.Datasets(1)fileinfo=Filename:'FY2D_FDI_ALL_NOM__0330.HDF'LibVersion:
4、'1.6.2'Offset:0FileSize:GroupHierarchy:[1x1struct]toplevel=Filename:'FY2D_FDI_ALL_NOM__0330.HDF'Name:'/'Groups:[]Datasets:[1x19struct]Datatypes:[]Links:[]Attributes:[]dataset1=Filename:'FY2D_FDI_ALL_NOM__0330.HDF'Name:'/CALChannelIR1'Rank:2Datatype:[1x1struct]Dims:[11024]MaxDims:[1
5、1024]Layout:'contiguous'Attributes:[1x6struct]Links:[]Chunksize:[]FillValue:02）成图IR1=hdf5read('FY2D_FDI_ALL_NOM__0330.HDF','/NOMChannelIR1');IR2=hdf5read('FY2D_FDI_ALL_NOM__0330.HDF','/NOMChannelIR2');IR3=hdf5read('FY2D_FDI_ALL_NOM__0330.HDF','/NOMChannelIR3');>>fid=fopen('fy2d_IR.
6、raw','wb')fwrite(fid,IR1,'uint16');fwrite(fid,IR2,'uint16');fwrite(fid,IR3,'uint16');fclose(fid);R=mat2gray(IR1',[01023]);G=mat2gray(IR2',[01023]);B=mat2gray(IR3',[01023]);>>imwrite(R,'IR1.jpg');>>imagesc(IR1',[01023]);colormap(gray);axisequal;>>RGB=cat(3,R,G,B);imwrite(RGB,'rgb.jp
7、g');>>image(RGB);axisequal;灰度图彩色图1、用IDL编写程序读取MODIS热红外波段反演的大气水汽proextract_data_hdfid=hdf_sd_start('MOD05_L2.A.0320.005.28.hdf')index=hdf_sd_nametoindex(hdfid,'Water_Vapor_Near_Infrared')varid=hdf_sd_select(hdfid,index)hdf_sd_getdata,varid,jinhdf_sd_endaccess,varidhdf_sd_end,hdfidhdf
8、id=hdf_sd_start('MOD03.A.0
