msg_eph1.m

这是国外关于卫星导航方面一书的源代码

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%  GPSLab - MSG_EPH.M   Info-Message zu MENU_EPH.M
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% (c) iapg 1998-2002 zeb
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gpsjpg=imread('sat.jpg','JPEG');
hmsg=msgbox(['Representation of all Orbits, Groundtracks, etc. regarding all ' ...
      'available satellites covering 24 hours in a space stable, non-rotating system ' ...
      'or in a earth fixed, co-rotating system WGS84:' ...
      ' Simply select the file of the reference or the rover station.' ...
      ' The Menu "View" allows you to zoom 2D-Plots and to rotate 3D-Plots.'], ...
'GPSLab Info: All NAV Orbits','custom',gpsjpg,summer(64));
clear gpsjpg;

% -----------------------------------------------------------------------------
% (c) iapg 1998-2002 zeb
% -----------------------------------------------------------------------------