"Komunika\u010Dn\u00ED syst\u00E9my experiment\u00E1ln\u00EDch dru\u017Eic" . "Experimental satellites are developed, built and launched for the purpose of verifying new technologies for space research. Our Institute in the last 10 years has shared this research and development in collaboration with international organization AMSATand US Naval Academy. Also colaboration with Russian -\u00A0Space Research Institute in Moscow comes into view.\u00A0Research and development of onboard communication equipment for satellites and spacecrafts is the aim of this project, besides conducting experimental communication by analog & digital signals and distance & speed measurement of space objects. Attention will be given to radio electronic systems for low data rates and in this connection, to research on the effect of phase noise, Doppler shift, periodical fading by the rotation of satellites and further effects typical of satellite communication on reliability of the link. We will look for eliminating these effects and further, to the development of corresponding hardware & software"@en . . "satellite communication" . . . . "1"^^ . . . "0"^^ . . . "0"^^ . . . "2008-04-25+02:00"^^ . . "V oblasti palubn\u00EDch syst\u00E9m\u016F pro experiment\u00E1ln\u00ED dru\u017Eice byl vyvinut komunika\u010Dn\u00ED p\u0159ij\u00EDma\u010D pro p\u00E1smo L umo\u017E\u0148uj\u00EDc\u00ED koherentn\u00ED zpracov\u00E1n\u00ED sign\u00E1l\u016F p\u0159i synchronizaci palubn\u00EDm ultrastabiln\u00EDm oscil\u00E1torem-USO. P\u0159ij\u00EDma\u010D m\u016F\u017Ee b\u00FDt sou\u010Dasn\u011B pou\u017Eit pro transpond\u00E9r i po"@cs . "Communication systems of experimental satellites"@en . "satellite communication; satellite ranging; ground station"@en . "Experiment\u00E1ln\u00ED dru\u017Eice jsou vyv\u00EDjeny, stav\u011Bny a vypou\u0161t\u011Bny za \u00FA\u010Delem ov\u011B\u0159ov\u00E1n\u00ED nov\u00FDch technologi\u00ED pro kosmick\u00FD v\u00FDzkum. Na\u0161e pracovi\u0161t\u011B se v\u00A0posledn\u00EDch deseti letech pod\u00EDl\u00ED na tomto v\u00FDzkumu a v\u00FDvoji ve spolupr\u00E1ci s\u00A0mezin\u00E1rodn\u00ED organizac\u00ED AMSAT a s\u00A0americkou n\u00E1mo\u0159n\u00ED akademi\u00ED (US Naval Academy). R\u00FDsuje se tak\u00E9 spolupr\u00E1ce s rusk\u00FDm \u00FAstavem - Institut\u00A0Kosmiceskych Isledovanij v Moskv\u011B.\u00A0\u00A0C\u00EDlem tohoto projektu je v\u00FDzkum a v\u00FDvoj palubn\u00EDho komunika\u010Dn\u00EDho za\u0159\u00EDzen\u00ED pro dru\u017Eice a kosmick\u00E9 sondy, umo\u017E\u0148uj\u00EDc\u00EDhovedle experiment\u00E1ln\u00ED komunikace analogov\u00FDmi i digit\u00E1ln\u00EDmi sign\u00E1ly prov\u00E1d\u011Bt tak\u00E9 m\u011B\u0159en\u00ED vzd\u00E1lenosti a rychlosti kosmick\u00E9ho t\u011Blesa. Pozornost bude v\u011Bnov\u00E1na radioelektronick\u00FDm syst\u00E9m\u016Fm pro pomal\u00E9 p\u0159enosov\u00E9 rychlosti a v\u00A0t\u00E9to souvislosti v\u00FDzkumu vliv\u016F f\u00E1zov\u00FDch \u0161um\u016F, Dopplerova posuvu, periodick\u00E9ho \u00FAniku vlivem rotace t\u011Blesa dru\u017Eice a dal\u0161\u00EDch jev\u016F typick\u00FDch pro dru\u017Eicovou komunikaci, na spolehlivost spoje. Hled\u00E1ny budou cesty eliminace t\u011Bchto vliv\u016F a v\u00FDvoj odpov\u00EDdaj\u00EDc\u00EDch hardwarov\u00FDch a softwarov\u00FDch" . . "35"^^ . . "2006-01-01+01:00"^^ . . "35"^^ . . "2008-12-31+01:00"^^ . . . "GA102/06/1672" . "http://www.isvav.cz/projectDetail.do?rowId=GA102/06/1672"^^ . "2009-10-22+02:00"^^ . . . "Communication receiver on L band allowed coherent signal processing with synchronizing by ultra-stable oscillator - USO has been developed in the field of on-board systems for experimental satellites. The receiver can be used for transponder as well as f"@en . " satellite ranging" .