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Zoyambira za Antena: Kodi Antena Zimatuluka Bwanji?
Ponena za ma antenna, funso lomwe anthu amadandaula nalo kwambiri ndi lakuti "Kodi ma radiation amapezeka bwanji?" Kodi mphamvu yamagetsi yopangidwa ndi gwero la chizindikiro imafalikira bwanji kudzera mu mzere wotumizira ndi mkati mwa antenna, ndipo pamapeto pake "imasiyana" ...Werengani zambiri -
Chiyambi ndi Kugawa Magulu a Antena
1. Chiyambi cha Ma Antena Antena ndi kapangidwe ka kusintha pakati pa malo omasuka ndi chingwe chotumizira mauthenga, monga momwe zasonyezedwera pa Chithunzi 1. Mzere wotumizira mauthenga ukhoza kukhala ngati mzere wa coaxial kapena chubu chopanda kanthu (waveguide), chomwe chimagwiritsidwa ntchito kutumiza mphamvu zamagetsi kuchokera...Werengani zambiri -
Kugwira Ntchito ndi Kupeza Ma Antena: Ma Fomula, Kutayika ndi Kuyeza
Kugwiritsa ntchito bwino kwa ma antenna kumafotokoza momwe mphamvu ya RF yovomerezeka imasinthidwira kukhala mphamvu yowala. Ndi gawo lofunika kwambiri la antenna chifukwa kutayika kwa kondakitala, kutayika kwa dielectric ndi kusagwirizana kwa impedance kumatha kuchepetsa kuwala komwe kungagwiritsidwe ntchito ngakhale antenna ili ndi mawonekedwe oyenera. Bas...Werengani zambiri -
Kodi Beamforming ndi chiyani?
Mu gawo la ma antenna a array, beamforming, yomwe imadziwikanso kuti spatial filtering, ndi njira yogwiritsira ntchito ma signal yomwe imagwiritsidwa ntchito kutumiza ndi kulandira mafunde a wailesi opanda zingwe kapena mafunde amawu molunjika. Kukonza ma beamforming ndi njira yolumikizirana...Werengani zambiri -
Kufotokozera mwatsatanetsatane kwa chowunikira chamakona cha trihedral
Mtundu wa chowunikira cha radar chomwe chimagwiritsidwa ntchito pazinthu zambiri monga machitidwe a radar, muyeso, ndi kulumikizana chimatchedwa chowunikira cha triangular. Kuthekera kowunikira mafunde amagetsi (monga mafunde a wailesi kapena zizindikiro za radar) kubwerera ku gwero,...Werengani zambiri -
Ma antenna a Horn ndi ma antenna awiri ozungulira: ntchito ndi madera ogwiritsira ntchito
Antena ya Horn ndi antena yokhala ndi polarized iwiri ndi mitundu iwiri ya antena zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana chifukwa cha mawonekedwe ndi ntchito zawo zapadera. Munkhaniyi, tifufuza mawonekedwe a antena ya horn ndi antena yokhala ndi polar...Werengani zambiri -
Kugwiritsa ntchito ukadaulo wa RFMISO vacuum brazing
Njira yopangira chitsulo mu uvuni wa vacuum ndi mtundu watsopano wa ukadaulo wopangira chitsulo womwe umachitika pansi pa vacuum popanda kuwonjezera flux. Popeza njira yopangira chitsulo imachitikira pamalo opanda chitsulo, zotsatira zoyipa za mpweya pa workpiece zimatha kuchotsa bwino...Werengani zambiri -
Chiyambi cha kugwiritsa ntchito Waveguide to coaxial converter
Pankhani yofalitsa ma wailesi pafupipafupi ndi ma microwave signal, kuwonjezera pa kutumiza ma signal opanda zingwe omwe safuna ma signal otumizira, zochitika zambiri zimafunabe kugwiritsa ntchito ma signal otumizira ma radio pa...Werengani zambiri -
RHCP vs LHCP: Momwe Mungadziwire Polarization Yozungulira
Kuzungulira kwa dzanja lamanja (RHCP) ndi kuzungulira kwa dzanja lamanzere (LHCP) kumafotokoza njira yomwe vector yamagetsi imazungulira pamene mafunde amagetsi akufalikira. Kuzindikira kolondola ndikofunikira pa maulalo a satellite, radar, muyeso wa antenna ndi ...Werengani zambiri -
Kodi antenna ya microstrip imagwira ntchito bwanji? Kodi kusiyana pakati pa antenna ya microstrip ndi antenna ya patch ndi kotani?
Antena ya Microstrip ndi mtundu watsopano wa antena ya microwave yomwe imagwiritsa ntchito mizere yoyendetsera magetsi yosindikizidwa pa dielectric substrate ngati gawo loyatsira ma antenna. Antena za microstrip zakhala zikugwiritsidwa ntchito kwambiri m'makina amakono olumikizirana chifukwa cha kukula kwawo kochepa, kulemera kopepuka, komanso mawonekedwe otsika...Werengani zambiri -
Tanthauzo ndi kusanthula kwa magulu a RFID antennas
Pakati pa ukadaulo wolumikizirana wopanda zingwe, ubale wokhawo pakati pa chipangizo cholumikizira opanda zingwe ndi antenna ya dongosolo la RFID ndi womwe ndi wapadera kwambiri. Mu banja la RFID, antenna ndi RFID ndizofunikiranso ...Werengani zambiri -
Kodi ma frequency a wailesi ndi chiyani?
Ukadaulo wa Radio Frequency (RF) ndi ukadaulo wolumikizirana wopanda zingwe, womwe umagwiritsidwa ntchito kwambiri pa wailesi, kulumikizana, radar, remote control, ma network a sensa opanda zingwe ndi madera ena. Mfundo ya ukadaulo wa wailesi wopanda zingwe imachokera pa kufalitsa ndi kusintha...Werengani zambiri
