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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 -
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 -
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 -
Kodi njira zitatu zosiyana za polarization za SAR ndi ziti?
1. Kodi SAR polarization ndi chiyani? Polarization: H horizontal polarization; V vertical polarization, ndiko kuti, kugwedezeka kwa munda wamagetsi. Pamene satellite itumiza chizindikiro pansi, kugwedezeka kwa mafunde a wailesi omwe amagwiritsidwa ntchito kungakhale mwa munthu...Werengani zambiri -
Magawo oyambira a ma antenna - mphamvu ya kuwala ndi bandwidth
chithunzi 1 1. Kugwira Ntchito Mwachangu Chizindikiro china chodziwika bwino chowunikira ubwino wa ma antenna otumizira ndi kulandira ndi kugwira ntchito mwachangu kwa antenna. Pa antenna yokhala ndi lobe yayikulu mbali ya z-axis monga momwe zasonyezedwera pa Chithunzi 1, khalani...Werengani zambiri -
Chiyambi ndi kugawa magulu a ma antenna ena ofala
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 -
RFMISO Waveguide to Coaxial Adapter (RM-WCA19)
Chowongolera cha mafunde kupita ku chowongolera cha coaxial ndi gawo lofunikira la ma antenna a microwave ndi zigawo za RF, ndipo chimagwira ntchito yofunika kwambiri mu ma antenna a ODM. Chowongolera cha mafunde kupita ku chowongolera cha coaxial ndi chipangizo chomwe chimagwiritsidwa ntchito kulumikiza chowongolera cha mafunde ku chingwe cha coaxial, ndikutumiza bwino ma signal a microwave kuchokera ...Werengani zambiri -
Kuwunika kwa Ma Antena: Kuwunikanso kwa Fractal Metasurfaces ndi Kapangidwe ka Ma Antena
I. Chiyambi Ma Fractal ndi zinthu zamasamu zomwe zimawonetsa makhalidwe ofanana pa sikelo zosiyanasiyana. Izi zikutanthauza kuti mukakulitsa/kutulutsa mawonekedwe a fractal, gawo lililonse limawoneka lofanana kwambiri ndi lonselo; ndiko kuti, mapangidwe ofanana a geometric kapena kapangidwe kake kabwerezabwereza...Werengani zambiri -
Chidule cha Terahertz Antenna Technology 1
Chifukwa cha kutchuka kwa zipangizo zopanda zingwe, mautumiki a data alowa munthawi yatsopano ya chitukuko chachangu, chomwe chimadziwikanso kuti kukula kwakukulu kwa mautumiki a data. Pakadali pano, mapulogalamu ambiri akusamuka pang'onopang'ono kuchokera ku makompyuta kupita ku zipangizo zopanda zingwe.Werengani zambiri -
Kuwunikanso kapangidwe ka rectenna (Gawo 1)
1. Chiyambi Kukolola mphamvu ya ma wailesi pafupipafupi (RF) (RFEH) ndi kutumiza mphamvu yamagetsi opanda waya (WPT) kwakopa chidwi chachikulu ngati njira zopangira ma netiweki opanda waya okhazikika opanda batri. Ma Rectenna ndi maziko a machitidwe a WPT ndi RFEH ndipo ali ndi chizindikiro...Werengani zambiri -
Kuwunikanso kapangidwe ka rectenna (Gawo 2)
Kapangidwe ka Antena-Rectifier Khalidwe la ma rectenna otsatira topology ya EG mu Chithunzi 2 ndilakuti antenna imagwirizana mwachindunji ndi rectifier, osati muyezo wa 50Ω, womwe umafuna kuchepetsa kapena kuchotsa dera lofananira kuti lipatse mphamvu rectifier...Werengani zambiri -
Kubwereza kwa Ma Antenna a Metamaterial Transmission Line
I. Chiyambi Metaterials ikhoza kufotokozedwa bwino ngati mapangidwe opangidwa mwaluso kuti apange zinthu zina zamagetsi zomwe sizilipo mwachilengedwe. Metaterials zomwe zili ndi permittivity yoipa komanso negative permeability zimatchedwa left-handed metaterials (LHM...Werengani zambiri
