matlab中文本读入
<P>发信人: zjliu (秋天的萝卜), 信区: Matlab<BR>标题: 文本读入 from bbs.matwav.com<BR>发信站: BBS 哈工大紫丁香站 (Fri Apr 22 13:41:40 2005)</P><P><a href="http://bbs.matwav.com/index.jsp?url=http%3A//bbs.matwav.com/post/view%3Fbid%3D" target="_blank" >http://bbs.matwav.com/index.jsp?url=http%3A//bbs.matwav.com/post/view%3Fbid%3D</A><BR>12%26id%3D142474%26sty%3D1%26tpg%3D1%26age%3D30</P>
<P>自己的一点经验，希望触类旁通。<BR>%example of data format;<BR>%Date (Day of year) Time foF2 foEs h'F peak F2<BR>%2000.04.03 (094) 00:01:05 13.850 230.2 314.1 319.0<BR>%2000.04.03 (094) 00:01:05 13.850 --- 314.1 319.0<BR>...<BR>%2000.04.03 (094) 00:01:05 13.850 230.2 314.1 319.0</P>
<P>function =ReadData<BR>Year=[]; iYD=[]; UT=[]; foF2=[]; hmF2=[]; dhmF2dt=[];N=0;<BR>%Choose file and open file;<BR>=uigetfile('*.*','the file for Scaled Ionospheric Parameters');<BR>fname=lower();<BR>fIN=fopen(fname,'r');<BR>if fIN==-1<BR>WarnStr=['Cannot open file: !' fpath fname];<BR>else<BR>%<BR>%Read data;<BR>Line=fgetl(fIN);<BR>MaxLength=length(deblank(Line));<BR>foF2Loc=findstr(Line,'foF2')+3;<BR>if length(foF2Loc)==0, uiwait(warndlg('no foF2 dat')); break; end;<BR>hmF2Loc=findstr(Line,'peak F2')+6;<BR>if length(hmF2Loc)==0,uiwait(warndlg('no hmF2 dat')); break; end;<BR>%read data;<BR>count=0;<BR>while ~feof(fIN)<BR>Line=fgetl(fIN);<BR>if length(Line)>=25<BR>DOY=str2num(Line(13:15));<BR>count=count+1;<BR>% Year;<BR>year=str2num(Line(1:4));<BR>Year=;<BR>% Julian day;<BR>iYD=;<BR>% UT in h;<BR>time=str2num(Line(18:19)) +str2num(Line(21:22))/60 +str2num(Line(24:25))/3600;</P>
<P>UT=;<BR>%foF2;<BR>t=Line(foF2Loc-2:foF2Loc);<BR>if t=='---',<BR>foF2=;<BR>else,<BR>t=str2num(Line(foF2Loc-8:foF2Loc));<BR>foF2=;<BR>end;<BR>%hmF2;<BR>t=Line(hmF2Loc-2:hmF2Loc);<BR>if t=='---',<BR>hmF2=;<BR>else,<BR>t=str2num(Line(hmF2Loc-8:hmF2Loc));<BR>hmF2=;<BR>end;<BR>end;<BR>end;<BR>fclose(fIN);<BR>end</P> hao
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