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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 -
Zoyambira za Antena: Magawo Oyambira a Antena - Kutentha kwa Antena
Zinthu zomwe zili ndi kutentha kwenikweni pamwamba pa zero yeniyeni zidzatulutsa mphamvu. Kuchuluka kwa mphamvu yotulutsidwa nthawi zambiri kumawonetsedwa mu kutentha kofanana TB, nthawi zambiri kumatchedwa kutentha kwa kuwala, komwe kumatanthauzidwa motere: TB ndi kuwala...Werengani zambiri -
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 -
Magawo oyambira a ma antenna - magwiridwe antchito a antenna ndi phindu lake
Kugwira bwino ntchito kwa antenna kumatanthauza kuthekera kwa antenna kusintha mphamvu zamagetsi zolowera kukhala mphamvu yowala. Mu kulumikizana popanda zingwe, kugwira bwino ntchito kwa antenna kumakhudza kwambiri khalidwe la kutumiza ma signal ndi kugwiritsa ntchito mphamvu. Kugwira bwino ntchito kwa antenna...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 ya polarized iwiri ndi mitundu iwiri ya antena zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana chifukwa cha mawonekedwe ndi ntchito zawo zapadera. Munkhaniyi, tifufuza makhalidwe a antena ya horn ndi antena ya 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
Mu gawo la ma radio frequency ndi ma microwave signal transmission, kuwonjezera pa kutumiza ma signal opanda zingwe omwe safuna ma signal transmission, zochitika zambiri zimafunabe kugwiritsa ntchito ma signal transmission pa...Werengani zambiri -
Momwe mungadziwire ma antenna ozungulira okhala ndi dzanja lamanzere ndi lamanja
Mu dziko la ma antenna, pali lamulo lotere. Pamene antenna yolumikizidwa molunjika ikatumiza, imatha kulandiridwa ndi antenna yolumikizidwa molunjika; pamene antenna yolumikizidwa molunjika ikatumiza, imatha kulandiridwa ndi antenna yolumikizidwa molunjika; pamene...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
