function?index?=?find_ionex（?listdoy?）
%FIND_IONEX?Summary?of?this?function?goes?here
%???Detailed?explanation?goes?here
len=length（list）;
doys=linspace（00len）;
for?i=1:len
????doys（i）=str2double（list（i）.name（5:7））+1000*str2double（list（i）.name（10:11））;
end
index=find（doys==doy1）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2020-08-03?16:03??M_DCB\find_ionex.m
?????文件?????????204??2020-08-03?16:03??M_DCB\find_sp3.m
?????文件?????????644??2020-08-03?16:03??M_DCB\Get_arc.m
?????文件?????????608??2020-08-03?16:03??M_DCB\Get_EA.m
?????文件?????????233??2020-08-03?16:03??M_DCB\Get_IPP.m
?????文件????????4010??2020-08-03?16:03??M_DCB\Get_MDCB.m
?????文件????????8643??2020-08-03?16:03??M_DCB\Get_P12.m
?????文件?????????580??2020-08-03?16:03??M_DCB\GwToDoy.m
?????文件????????2638??2020-08-03?16:03??M_DCB\MDCB_Main.m
?????文件????????1884??2020-08-03?16:03??M_DCB\read_ionex.m
?????文件???????18372??2020-08-03?16:03??M_DCB\read_rinex.m
?????文件????????2833??2020-08-03?16:03??M_DCB\read_sp3.m
?????文件????????2731??2020-08-03?16:03??M_DCB\SDCB_Main.m
?????文件????????1077??2020-08-03?16:03??M_DCB\SDCB_REF.mat
?????文件?????????792??2020-08-03?16:03??M_DCB\Sites_Info.mat
?????文件?????????522??2020-08-03?16:03??M_DCB\XYZtoBLH.m
?????文件??????866728??2020-08-03?16:03??M_DCB\IONEX_files\CODG2360.05I
?????文件??????174242??2020-08-03?16:03??M_DCB\SP3_files\igs13372.sp3
?????文件??????174242??2020-08-03?16:03??M_DCB\SP3_files\igs13373.sp3
?????文件??????174242??2020-08-03?16:03??M_DCB\SP3_files\igs13374.sp3