摘要: A4=readdata('E:\mydata.TXT');[st,t,f] = st(A4(1:1000,2)); surf(t,f,10*log10(abs(st)),'EdgeColor','none'); axis xy; axis tight; colormap(jet); view(0,9 阅读全文
posted @ 2016-03-10 17:16 alameda 阅读(5507) 评论(0) 推荐(0)