利用MATLAB编制的GPS单点定位程序.doc

精选优质文档-倾情为你奉上function t=TimetoJD(Y,M,D,h,f,s)if(Y=80) Y=Y+1900;else Y=Y+2000;endif M=2 Y=Y-1; M=M+12;endJD=fix(365.25*Y)+fix(30.6001*(M+1)+D+h/24+f/1440+s/24/3600+.5;t=JD-.5;function head,obs=ReadObsData%读接收机观测数据文件%HeadODat :a structure stores header information if o-file% .ApproXYZ3; /approximate coordinate% .interval; /intervals of two adjacent epochs% .SiteName; /point name