"ECEF (zkratka anglick\u00E9ho Earth-Centered, Earth-Fixed), p\u0159\u00EDpadn\u011B tak\u00E9 ECR (Earth Centered Rotational) je kart\u00E9zsk\u00FD sou\u0159adnicov\u00FD syst\u00E9m, slou\u017E\u00EDc\u00ED k vyj\u00E1d\u0159en\u00ED polohy t\u011Bles v\u016F\u010Di Zemi. St\u0159ed t\u00E9to sou\u0159adnicov\u00E9 soustavy le\u017E\u00ED v hmotnostn\u00EDm t\u011B\u017Ei\u0161ti Zem\u011B. Zemsk\u00FD povrch se v\u016F\u010Di n\u00ED prakticky nepohybuje, proto se pou\u017E\u00EDv\u00E1 v geodetick\u00FDch a naviga\u010Dn\u00EDch aplikac\u00EDch. Umo\u017E\u0148uje popis polohy v prostoru bez nutnosti definovat konkr\u00E9tn\u00ED referen\u010Dn\u00ED elipsoid."@cs . "ECEF (zkratka anglick\u00E9ho Earth-Centered, Earth-Fixed), p\u0159\u00EDpadn\u011B tak\u00E9 ECR (Earth Centered Rotational) je kart\u00E9zsk\u00FD sou\u0159adnicov\u00FD syst\u00E9m, slou\u017E\u00EDc\u00ED k vyj\u00E1d\u0159en\u00ED polohy t\u011Bles v\u016F\u010Di Zemi. St\u0159ed t\u00E9to sou\u0159adnicov\u00E9 soustavy le\u017E\u00ED v hmotnostn\u00EDm t\u011B\u017Ei\u0161ti Zem\u011B. Zemsk\u00FD povrch se v\u016F\u010Di n\u00ED prakticky nepohybuje, proto se pou\u017E\u00EDv\u00E1 v geodetick\u00FDch a naviga\u010Dn\u00EDch aplikac\u00EDch. Umo\u017E\u0148uje popis polohy v prostoru bez nutnosti definovat konkr\u00E9tn\u00ED referen\u010Dn\u00ED elipsoid. Toho vyu\u017E\u00EDvaj\u00ED dru\u017Eicov\u00E9 naviga\u010Dn\u00ED syst\u00E9my ve sv\u00FDch v\u00FDpo\u010Dtech.Sou\u0159adnicov\u00E1 soustava ECEF rotuje spolu se Zem\u00ED. Nen\u00ED proto inerci\u00E1ln\u00ED. Pokud je t\u0159eba inerci\u00E1ln\u00ED geocentrick\u00E1 soustava (ve skute\u010Dnosti ne zcela), pou\u017E\u00EDv\u00E1 se nap\u0159\u00EDklad soustava ECI (Earth-centered inertial), kter\u00E1 zachov\u00E1v\u00E1 sm\u011Br os v\u016F\u010Di obloze."@cs . . . . "900741"^^ . . . . "1412"^^ . "ECEF"@cs . . . . . . . . . . . "8"^^ . "10220156"^^ . "ECEF"@cs .