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Nkhani yabwino: Zikomo kwambiri kwa RF MISO chifukwa chopambana "High-tech Enterprise"
Kuzindikira makampani aukadaulo wapamwamba ndi kuwunika kwathunthu ndi kuzindikira ufulu wodziyimira pawokha wa kampani, zomwe zachitika pa sayansi ndi ukadaulo, kusintha kwa luso, kafukufuku ndi chitukuko, kayendetsedwe ka mabungwe, ndi ...Werengani zambiri -
Mfundo yogwirira ntchito ndi ubwino wa ma antenna a logarithmic periodic
Antena ya log-periodic ndi antena ya wide-band yomwe mfundo yake yogwirira ntchito imachokera pa resonance ndi kapangidwe ka log-periodic. Nkhaniyi ikudziwitsaninso za antena ya log-periodic kuchokera mbali zitatu: mbiri, mfundo yogwirira ntchito ndi ubwino wa antena ya log-periodic...Werengani zambiri -
Mitundu yodziwika bwino ya zolumikizira za antenna ndi mawonekedwe awo
Cholumikizira cha antenna ndi cholumikizira chamagetsi chomwe chimagwiritsidwa ntchito kulumikiza zida zama radio frequency ndi zingwe. Ntchito yake yayikulu ndikutumiza ma signali apamwamba kwambiri. Cholumikiziracho chili ndi mawonekedwe abwino kwambiri ofanana ndi impedance, zomwe zimatsimikizira kuti kuwunikira ndi kutaya chizindikiro...Werengani zambiri -
Kugawanika kwa mafunde a ndege
Polarization ndi chimodzi mwa zinthu zofunika kwambiri za ma antenna. Choyamba tiyenera kumvetsetsa polarization ya mafunde a ndege. Kenako tikhoza kukambirana za mitundu ikuluikulu ya polarization ya ma antenna. linear polarization Tidzayamba kumvetsetsa polarization ya...Werengani zambiri -
Kumvetsetsa mfundo zogwirira ntchito ndi momwe ma waveguide amagwiritsidwira ntchito pa ma coaxial converters
Chitsogozo cha mafunde cha coaxial adapter ndi chipangizo chomwe chimagwiritsidwa ntchito kulumikiza mitundu yosiyanasiyana ya mizere yotumizira mafunde. Chimalola kusinthana pakati pa zingwe za coaxial ndi mafunde a mafunde kuti atumize chizindikiro ndi kulumikizana m'makina osiyanasiyana olumikizirana opanda zingwe, makina a radar, ma microwave...Werengani zambiri -
Chidziwitso choyambira cha mizere ya coaxial ya microwave
Chingwe cha Coaxial chimagwiritsidwa ntchito kutumiza mphamvu ya RF kuchokera ku doko limodzi kapena gawo lina kupita ku madoko/zigawo zina za dongosolo. Chingwe chokhazikika cha coaxial chimagwiritsidwa ntchito ngati mzere wa coaxial wa microwave. Mtundu uwu wa waya nthawi zambiri umakhala ndi ma conductor awiri okhala ndi mawonekedwe a cylindrical kuzungulira mzere wofanana. Onse ndi sep...Werengani zambiri -
Chiyambi cha njira yopangira zinthu za RFMISO—kupangira vacuum brazing
Ukadaulo wopangira vacuum brazing ndi njira yolumikizira zigawo ziwiri kapena zingapo zachitsulo pamodzi pozitenthetsa kutentha kwambiri komanso pamalo opanda vacuum. Izi ndi njira yofotokozera mwatsatanetsatane za ukadaulo wopangira vacuum brazing: Va...Werengani zambiri -
Kapangidwe ka chosinthira ma frequency a RF-RF Up converter, chosinthira ma RF Down
Nkhaniyi ikufotokoza kapangidwe ka RF converter, pamodzi ndi ma block diagram, pofotokoza kapangidwe ka RF upconverter ndi kapangidwe ka RF downconverter. Ikufotokoza za zigawo za ma frequency zomwe zimagwiritsidwa ntchito mu C-band frequency converter iyi. Kapangidwe kake kamachitika pa bolodi la microstrip pogwiritsa ntchito discre...Werengani zambiri -
Mafupipafupi a antenna
Antena yomwe imatha kutumiza kapena kulandira mafunde a electromagnetic (EM). Zitsanzo za mafunde a electromagnetic awa ndi monga kuwala kuchokera ku dzuwa, ndi mafunde omwe amalandiridwa ndi foni yanu yam'manja. Maso anu akulandira ma antenna omwe amazindikira mafunde a electromagnetic pamalo enaake...Werengani zambiri -
Kufunika kwa ma antenna m'munda wankhondo
Mu gawo la usilikali, ma antenna ndi ukadaulo wofunikira kwambiri. Cholinga cha antenna ndikulandira ndikutumiza ma signal a wailesi kuti athe kulumikizana opanda zingwe ndi zida zina. Pankhani yoteteza komanso ya usilikali, ma antenna amagwira ntchito yofunika kwambiri chifukwa amagwiritsidwa ntchito...Werengani zambiri -
bandiwifi ya antenna
Bandwidth ndi gawo lina lofunikira la antenna. Bandwidth imafotokoza kuchuluka kwa ma frequency omwe antenna imatha kutulutsa kapena kulandira mphamvu molondola. Nthawi zambiri, bandwidth yofunikira ndi imodzi mwa magawo omwe amagwiritsidwa ntchito posankha mtundu wa antenna. Mwachitsanzo, pali m...Werengani zambiri -
Kusanthula kapangidwe kake, mfundo yogwirira ntchito ndi zochitika zogwiritsira ntchito ma antenna a microstrip
Antena ya Microstrip ndi antenna yaying'ono yodziwika bwino, yokhala ndi chigamba chachitsulo, substrate ndi nthaka. Kapangidwe kake ndi motere: Zigamba zachitsulo: Zigamba zachitsulo nthawi zambiri zimapangidwa ndi zinthu zoyendetsera mpweya, monga mkuwa, aluminiyamu,...Werengani zambiri
