(如果只有一个)的问题是在你导入数据到.mat文件。如果我提供的文件做数据=负载(“sc_8days.mat”);data =数据。sc8days;[nx、纽约、d] =大小(数据);显示亮度图像(数据(:,:1));我得到这个无稽之谈:[![在这里输入图像描述][1]][1]和d = 23日MOD10C2数据只有四个乐队:Eight_Day_CMG_Snow_Cover, Eight_Day_CMG_Cloud_Obscured, Eight_Day_CMG_Clear_Index, Snow_Spatial_QA(见【产品规格】[2])。然而,如果我直接从.hdf加载数据和情节文件共享,数据= hdfread (“MOD10C2.A2000185.006.2016068190452.hdf”、“Eight_Day_CMG_Snow_Cover”);显示亮度图像(数据);我:[![enter image description here][3]][3] Which does makes sense and show the actual data. Therefore, the way you are importing the data into your .mat file is messing things up. And that part of your code is not in the script you posted above. [1]: https://i.stack.imgur.com/8M5kw.png [2]: https://nsidc.org/data/mod10c2 [3]: https://i.stack.imgur.com/ck4xl.png