-
Mizere ya Coaxial ya Microwave: Mitundu, Kutayika & Buku Lotsogolera Kusankha
Mizere ya microwave coaxial imanyamula mphamvu ya RF pakati pa ma antenna, zida zoyesera, ma transmitter, ma receiver, ndi zida zina za microwave. Kapangidwe kake kozungulira kamapereka njira yoyendetsera yoyendetsedwa komanso chitetezo champhamvu, koma magwiridwe antchito amadalira zambiri kuposa chingwe...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 -
Ma Antena Ankhondo: Mapulogalamu, Mitundu ndi Buku Lotsogolera Kusankha
Ma antenna ankhondo amapanga mawonekedwe a RF pakati pa nsanja yodzitetezera ndi malo ozungulira ma elekitiroma. Amathandizira kulumikizana, radar, maulalo a satellite, kuyang'anira ma spectrum, kupeza njira, telemetry ndi machitidwe ankhondo zamagetsi padziko lonse lapansi, magalimoto, ndege,...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 -
Kugwiritsa ntchito bwino kwa ma antenna ndi kupindula kwa ma antenna
Kugwira ntchito bwino kwa antenna kumagwirizana ndi mphamvu yomwe imaperekedwa ku antenna ndi mphamvu yomwe imaperekedwa ndi antenna. Antena yogwira ntchito bwino kwambiri imatulutsa mphamvu zambiri zomwe zimaperekedwa ku antenna. Antena yosagwira ntchito bwino imatenga mphamvu zambiri zomwe zimatayika mkati mwa antenna...Werengani zambiri -
Kodi Antena Yozungulira Ndi Chiyani? Kapangidwe, Mitundu ndi Ntchito
Antena yozungulira ndi antena yotsika yomwe kapangidwe kake ka kuwala kamakhala pamwamba kapena moyandikana ndi malo athyathyathya. Kutengera kapangidwe kake, zinthu zowala zitha kukhala zigamba zachitsulo zosindikizidwa, mipata, ma conductor ozungulira, ma aperture a waveguide, kapena zinthu zingapo zophatikizidwa ngati...Werengani zambiri -
Malangizo a Antena: Fomula, Kupeza ndi Kuyeza
Kodi Antena Directivity ndi chiyani? Yankho lachangu: Antena Directivity imafotokoza momwe antenna imakhudzira mphamvu yowala mbali ina poyerekeza ndi radiator yoyenera ya isotropic. Radiator ya isotropic ili ndi directivity ya 1, kapena 0 dBi. Directivity yapamwamba kwambiri...Werengani zambiri -
Antena ya Standard Gain Horn: Mvetsetsani Mfundo Zake Zogwirira Ntchito ndi Madera Ogwiritsira Ntchito
Antena yodziwika bwino ya gain horn ndi antenna yolunjika yomwe imagwiritsidwa ntchito kwambiri, yokhala ndi chinthu chotumizira ndi chinthu cholandira. Cholinga chake cha kapangidwe kake ndikuwonjezera phindu la antenna, kutanthauza kuti, kuyika mphamvu ya ma frequency a wailesi mbali inayake. Nthawi zambiri ...Werengani zambiri -
Antena ya Biconical: Mfundo Yogwirira Ntchito, Kapangidwe ndi Kugwiritsa Ntchito
Antena ya biconical ndi antena ya broadband yopangidwa ndi ma cone awiri oyendetsera omwe amayikidwa kumapeto kwa nsonga ndikudyetsedwa pamwamba pake. Kusintha kwake pang'onopang'ono kwa geometry kumapereka bandwidth yogwira ntchito yayikulu kuposa dipole yachizolowezi ya waya woonda, zomwe zimapangitsa kuti ikhale yothandiza poyesa broadband, ...Werengani zambiri -
Mau oyamba a ma antenna a log-periodic ndi minda yawo yogwiritsira ntchito
Antena ya log-periodic ndiyo njira yabwino kwambiri yolumikizira ma antenna otsika-frequency ultra-wideband directional. Ili ndi mawonekedwe a medium gain, operating frequency bandwidth, komanso magwiridwe antchito abwino mkati mwa operating frequency band. Yoyenera kunyamula...Werengani zambiri
