Izisombululo ze-RF eziPhambili kunye neMicrowave ze-LEO Satellite kunye ne-Aerospace
Ukunika amandla iiConstellations zesizukulwana esilandelayo ezineenxalenye ezithembekileyo kakhulu, ezikhaphukhaphu, kunye nezizinzileyo kubushushu
Imeko yoShishino kunye neeNgxaki zeNtlungu
Ukuqala kwexesha leNew Space kuzise ukwanda okungazange kubonwe ngaphambili kwiinkwenkwezi zesathelayithi zeLow Earth Orbit (LEO). Nangona kunjalo, iindawo engqongileyo enzimainika imiqobo enzima yobunjineli. Ngokungafaniyo nonxibelelwano lwasemhlabeni, usetyenziso lweenqwelo-moya kunye nesathelayithi lusebenza kwindawo engenamntu ebonakala ngemitha enamandla yendalo yonke, ukukhukuliseka kweoksijini yeathomu, kunye noxinzelelo olukhulu loomatshini ngexesha lesigaba sokuqaliswa.
Kwizinto ezingasebenziyo ze-RF kunye ne-microwave, ezi zinto zigqithisileyo kwindalo zilawula iimfuno ezingqongqo zokusebenza. Iinjineli zihlala zilwa nokunqongophala kwezinto ezibonakalayo. Amanqaku aphambili entlungu ajikeleza kwimfuneko epheleleyo yokunciphisaubunzima kunye nomthamo wezixhobongaphandle kokunciphisa ukusebenza kombane. Igram nganye eyongezelelweyo ebekwe kwi-orbit inyusa ngokukhawuleza iimfuno zamafutha kunye neendleko zomsebenzi zizonke.
Ngaphezu koko, iisatellite ze-LEO zijikeleza uMhlaba phantse rhoqo emva kwemizuzu engama-90, zitshintsha ngokukhawuleza phakathi kobushushu obuvuthayo bemitha yelanga ngqo kunye nobumnyama obubandayo besithunzi soMhlaba. Oku kudala imeko-bume apho izinto kufuneka zigcine uzinzo olupheleleyo lwamaza kunye nokuqina kwesakhiwo nangonaukuguquguquka okukhulu kobushushu.
Izinto ezibangela uxinezeleko olubalulekileyo kwindalo esingqongileyo
✦Iiprofayili zokuqalisa ukungcangcazela okuphezulu:Izinto ezisetyenzisiweyo kufuneka zisinde ekutshisweni ngamandla kwe-acoustic kunye ne-mechanical ngexesha lokuphuma.
✦Ukukhupha igesi nge-vacuum:Izinto azifanele zikhuphe iikhompawundi eziguquguqukayo ezinokuxinana kwiindawo ezibonakala ngathi zithambile okanye kwiindawo ze-RF.
✦Ukudinwa yi-Thermal Cycling:Ukwanda ngokukhawuleza kunye nokucutheka okukhokelela kwiintsholongwane ezincinci kwiindawo zokudibanisa kunye nezakhiwo ze-waveguide.
Imingeni ephambili kwi-Aerospace RF
Imida Egqithisileyo ye-SWaP
Kuyilo lwanamhlanje lomthwalo wesathelayithi, i-SWaP (Ubungakanani, Ubunzima, kunye namandla) yeyona ndlela ifanelekileyo yokulinganisa. Ukuqalisa umthwalo wentlawulo kwi-orbit kubiza kakhulu ngokweenkwenkwezi, kudla ngokubiza amawaka eedola ngekhilogram nganye. Izinto zeRF zemveli, ngakumbi izihluzi ezinamandla aphezulu, ii-multiplexers, kunye nee-isolators, zihlala zenziwe ngomatshini ngebrass enzima okanye i-aluminium etyebileyo ukugcina ukusebenza kombane kunye ne-Q-factor.
Umngeni usekwe ekuyileni ezi zinto zingasebenziyo ukuze zihlangabezane nemiqathango enzima yobunzima bee-micro kunye nee-nano-satellites ngaphandle kokuphazamisa amandla azo okusingatha amanqanaba aphezulu amandla e-RF. I-Miniaturization idla ngokukhokelela ekulahlekelweni okukhulu kokufakwa kunye nemiba yokusasazwa kobushushu, okudala i-paradox yobunjineli enzima efuna isayensi yezinto ezintsha kunye nokulinganisa okuphezulu kwe-electromagnetic ukuze kusonjululwe.
Ukuguquguquka kobushushu obuphezulu (-55°C ukuya ku-+125°C)
Iisathelayithi kwi-LEO zidibana nobushushu obubi kakhulu. Njengoko zijikeleza, zijongana nemitha yelanga ethe ngqo, engacocwanga, nto leyo ebangela ukuba amaqondo obushushu omhlaba anyuke, aze alandelwe yingqele enzulu yokusithwa kwelanga. Oku kubangela ukuba kubekho imfuneko yamaqondo obushushu asebenzayo ukusuka kwi -55°C ukuya kwi +125°C.
Kwizihluzi zeRF kunye nee-cavity resonators, oku kuyintlekele ukuba akulawuleki kakuhle. Iintsimbi ziyanda kwaye zinciphe ngotshintsho lobushushu. Kwanotshintsho oluncinci kakhulu kubukhulu bomzimba besihluzi se-cavity lunokutshintsha i-frequency yaso embindini, oku kubangele ukuwohloka kwesignali, ukuphazamiseka kwesiteshi esikufutshane, okanye ukulahleka ngokupheleleyo kwekhonkco lonxibelelwano. Ukugcina uzinzo lombane kulo lonke eli gradient yobushushu be-180-degree ngomnye wemingeni ebalulekileyo kubunjineli be-RF ye-aerospace.
Izisombululo Zethu Eziphambili
Kwiminyaka emininzi yophando nophuhliso kwiteknoloji ye-RF/Microwave, i-Leader Microwave iphuhlise iindlela zokuvelisa ezizimeleyo ezenzelwe ngokukodwa ukoyisa iinyani ezinzima zokusasazwa kwendawo.
Izihluzi zeWaveguide kunye neCavity eziKhawulezayo
Sisebenzisa ii-aluminium alloys eziphambili eziludongeni oluncinci kunye nezixhobo ezikhethekileyo ezidityanisiweyo ukwenza izihluzi zethu zomgangatho wendawo. Ngokusebenzisa umatshini we-CNC ochanekileyo kunye nokwenza ngcono i-topology yesakhiwo, sisusa ubunzima obungeyomfuneko ngelixa sigcina ukuqina kwesakhiwo.
Isiphumo: Ukwehla okukhulu kobunzima obungaphezulu kwama-30% xa kuthelekiswa noyilo lwendabuko, nto leyo ethetha ngokuthe ngqo ukuba iindleko zokuqalisa ziphantsi.
Uzinzo lobushushu olungalinganiyo
Ukulwa nokujikeleza kobushushu ukusuka kwi--55°C ukuya kwi-+125°C, iinjineli zethu zisebenzisa iindlela zokuhlawula ubushushu obuzimeleyo. Oku kuquka ukusetyenziswa kwe-Invar (i-alloy ye-nickel-iron ene-coefficient ephantsi kakhulu yokwandiswa kobushushu) kunye noyilo lwesakhiwo se-bi-metallic oluzilungisa ngokwalo njengoko ubushushu butshintsha.
Isiphumo: Uzinzo olungaqhelekanga lwefrikhwensi, ukuqinisekisa ukutyibilika kwefrikhwensi ngaphantsi kwe-2ppm/°C, ukugcina imiqondiso yakho itshixiwe ngokugqibeleleyo kwindawo ekujoliswe kuyo.
Iikhonkco ze-Orbital ezithembekileyo kakhulu
Ukuncitshiswa kweendleko akuthethi nto ukuba inkqubo ayiphumeleli ekujikelezeni. Izixhobo zethu zeenqwelo-moya zifumana uhlalutyo oluqinileyo lwe-multipaction, uvavanyo lwe-thermal vacuum (TVAC), kunye nokuhlolwa kokungcangcazela ukuqinisekisa ukuba ziyasinda xa ziqaliswa kwaye zisebenza ngokungenasiphako ubomi bazo bonke bomsebenzi.
Isiphumo: Ukunciphisa ngokufanelekileyo iindleko zokulayisha umthwalo wesathelayithi ngelixa kuqinisekiswa ukuthembeka kwekhonkco lonxibelelwano lwexesha elide kwi-orbit.
