Nkhani
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Chifukwa Chake RF System Yanu Ikufunika Kuchepetsa Katundu Wabwino
Mu kapangidwe ka makina a RF, kukhazikika ndikofunikira kwambiri. Ngakhale ma amplifiers ndi zosefera nthawi zambiri zimakhala pakati, katundu womaliza umagwira ntchito mwakachetechete koma wofunikira kwambiri pakuwonetsetsa kuti magwiridwe antchito onse akuyenda bwino. Concept Microwave Technology Co., Ltd., katswiri wazinthu zolondola, akuwonetsa chifukwa chake izi...Werengani zambiri -
Kusankha Chida Choyenera: Ogawa Mphamvu vs. Ogawa Mphamvu mu Machitidwe Amakono Oyesera
Mu dziko loyendetsedwa ndi kulondola kwa RF ndi mayeso a microwave, kusankha gawo loyenera lopanda ntchito ndikofunikira kwambiri kuti mupeze zotsatira zolondola komanso zodalirika. Pakati pa zinthu zoyambira, kusiyana pakati pa Power Dividers ndi Power Splitters nthawi zambiri kumakhala kofunika kwambiri, koma nthawi zina kumanyalanyazidwa.Werengani zambiri -
Zosintha Zamakampani: Kufunika Kwambiri Kwamsika ndi Kusintha Kwaukadaulo mu Zigawo Zopanda Ma Microwave
Gawo la zinthu zogwiritsa ntchito ma microwave likukula kwambiri pakadali pano, chifukwa cha mapulojekiti akuluakulu ogula zinthu komanso kupita patsogolo kwaukadaulo. Izi zikuwonetsa msika wolimba wa zida monga zogawa magetsi, zolumikizirana, zosefera, ndi zida zodulira...Werengani zambiri -
Mu makina ogawa ma antenna (DAS), kodi ogwiritsa ntchito angasankhe bwanji ma power splitters ndi ma couplers oyenera?
Mu ma network amakono olumikizirana, Distributed Antenna Systems (DAS) yakhala njira yofunika kwambiri kwa ogwiritsa ntchito kuthana ndi kufalikira kwa mkati, kukulitsa mphamvu, komanso kutumiza ma signali amitundu yambiri. Kugwira ntchito kwa DAS sikudalira kokha ma antenna okha koma...Werengani zambiri -
Chidule cha Ukadaulo Wolimbana ndi Kusamvana kwa Satellite wa Kunja
Kulankhulana kwa satellite kumachita gawo lofunika kwambiri pa ntchito zamakono zankhondo ndi za anthu wamba, koma kuthekera kwake kusokonezedwa kwapangitsa kuti pakhale njira zosiyanasiyana zotsutsana ndi kusokoneza. Nkhaniyi ikufotokoza mwachidule ukadaulo waukulu zisanu ndi umodzi wakunja: kufalikira kwa ma spectrum, kulemba ma code ndi kusintha kwa ma antenna, anti...Werengani zambiri -
Ukadaulo Wotsutsana ndi Kutsekeka kwa Ma Antena ndi Kugwiritsa Ntchito Zigawo Zopanda Ma Microwave
Ukadaulo wotsutsana ndi kugwedezeka kwa ma antenna umatanthauza njira zingapo zomwe zimapangidwa kuti zichepetse kapena kuthetsa mphamvu ya kusokonezedwa kwa ma electromagnetic interference (EMI) pa kutumiza ndi kulandira ma antenna signal, kuonetsetsa kuti njira zolumikizirana zikukhazikika komanso kudalirika. Mfundo zazikuluzikulu zikuphatikizapo ...Werengani zambiri -
"Mvula Yodabwitsa ya Satellite": Ma Satellite Oposa 500 a Starlink LEO Atayika Chifukwa cha Mphamvu ya Dzuwa
Chochitika: Kuchokera ku Kutayika Kosayembekezereka mpaka Kugwa kwa Mvula Kuwonongeka kwakukulu kwa ma satellite a LEO a Starlink sikunachitike mwadzidzidzi. Kuyambira pomwe pulogalamuyi idayambitsidwa koyamba mu 2019, kutayika kwa ma satellite kunali kochepa poyamba (2 mu 2020), mogwirizana ndi kuchuluka kwa kutsika komwe kumayembekezeredwa. Komabe, mu 2021...Werengani zambiri -
Chidule cha Ukadaulo Wodziteteza Wogwira Ntchito pa Zida Zamlengalenga
Mu nkhondo zamakono, magulu otsutsana nthawi zambiri amagwiritsa ntchito ma satellites owunikira mlengalenga ndi makina a radar ochokera pansi/panyanja kuti azindikire, kutsatira, ndi kuteteza ku zolinga zomwe zikubwera. Mavuto achitetezo cha maginito omwe amakumana nawo ndi zida zamlengalenga m'malo ankhondo amakono...Werengani zambiri -
Mavuto Odziwika Kwambiri Pakafukufuku wa Zamlengalenga Pakati pa Dziko Lapansi ndi Mwezi
Kafukufuku wa mlengalenga wa Dziko Lapansi ndi Mwezi akadali gawo la malire lomwe lili ndi mavuto angapo asayansi ndi ukadaulo omwe sanathetsedwe, omwe angagawidwe motere: 1. Malo Ozungulira Mumlengalenga ndi Chitetezo cha Radiation Njira zowunikira tinthu tating'onoting'ono: Kusowa kwa mphamvu ya maginito ya Dziko Lapansi kumavumbula zombo zapamlengalenga ...Werengani zambiri -
China Yakhazikitsa Mwayi Woyamba wa Gulu la Ma Satellite Atatu mu Malo a Dziko Lapansi-Mwezi, Kuyambitsa Nthawi Yatsopano Yofufuza
China yafika pachimake pomanga gulu loyamba la nyenyezi zitatu za satelayiti padziko lonse lapansi la Earth-Moon, zomwe zikuwonetsa mutu watsopano mu kufufuza kwakuya kwa mlengalenga. Kupambana kumeneku, komwe ndi gawo la Pulogalamu Yofunika Kwambiri ya Chinese Academy of Sciences (CAS) ya Class-A Strategic Priority "Exploratio...Werengani zambiri -
Chifukwa Chake Zogawa Mphamvu Sizingagwiritsidwe Ntchito Ngati Zophatikiza Zamphamvu Kwambiri
Zofooka za magawanizi amagetsi mu ntchito zophatikiza zamagetsi amphamvu kwambiri zitha kufotokozedwa ndi zinthu zofunika izi: 1. Zofooka za Kusamalira Mphamvu za Isolation Resistor (R) Power Divider Mode: Ikagwiritsidwa ntchito ngati chogawanizi chamagetsi, chizindikiro cholowera pa IN chimagawidwa m'magulu awiri ofanana...Werengani zambiri -
Kuyerekeza kwa Ceramic Antennas vs. PCB Antennas: Ubwino, Kuipa, ndi Zochitika Zogwiritsira Ntchito
I. Ma Antena a Ceramic Ubwino Wake • Kukula Kwambiri Kwambiri: Zinthu za ceramic zomwe zimakhala ndi dielectric constant (ε) zimathandiza kuti zinthu za ceramic zikhale zochepa kwambiri pamene zikugwira ntchito bwino, zomwe ndi zabwino kwambiri pa zipangizo zomwe zili ndi malo ochepa (monga ma earbuds a Bluetooth, zovala). High Integration Cap...Werengani zambiri