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RF frequency converter kapangidwe-RF Up Converter, RF Down Converter
Nkhaniyi ikufotokoza mapangidwe a RF converter, pamodzi ndi zithunzi za block, kufotokoza mapangidwe a RF upconverter ndi mapangidwe a RF downconverter. Imatchula zigawo zafupipafupi zomwe zimagwiritsidwa ntchito mu C-band frequency converter. Mapangidwewa amapangidwa pa bolodi la microstrip pogwiritsa ntchito discre ...Werengani zambiri -
Mafupipafupi a antenna
Mlongoti wokhoza kutumiza kapena kulandira mafunde a electromagnetic (EM). Zitsanzo za mafunde a electromagnetic awa ndi kuwala kochokera kudzuwa, ndi mafunde omwe amalandilidwa ndi foni yanu yam'manja. Maso anu akulandira tinyanga tomwe timazindikira mafunde a electromagnetic pamtundu wina ...Werengani zambiri -
Kufunika kwa tinyanga m'magulu ankhondo
Pagulu lankhondo, tinyanga ndi ukadaulo wofunikira kwambiri. Cholinga cha mlongoti ndi kulandira ndi kutumiza ma siginecha a wailesi kuti athe kulumikizana opanda zingwe ndi zida zina. Pazachitetezo komanso zankhondo, tinyanga zimagwira ntchito yofunikira pamene zimagwiritsidwa ntchito ...Werengani zambiri -
Antenna bandwidth
Bandwidth ndi gawo lina lofunikira la antenna. Bandwidth imafotokoza kuchuluka kwa ma frequency omwe mlongoti umatha kutulutsa bwino kapena kulandira mphamvu. Nthawi zambiri, bandwidth yofunikira ndi imodzi mwamagawo omwe amagwiritsidwa ntchito posankha mtundu wa mlongoti. Mwachitsanzo, pali m...Werengani zambiri -
Kuwunika kwa kapangidwe kake, mfundo zogwirira ntchito ndi zochitika zogwiritsira ntchito ma microstrip antennas
Mlongoti wa Microstrip ndi mlongoti waung'ono wamba, wopangidwa ndi chigamba chachitsulo, gawo lapansi ndi ndege yapansi. Kapangidwe kake ndi motere: Zigamba zachitsulo: Zigamba zachitsulo nthawi zambiri zimapangidwa ndi zinthu zopangira, monga mkuwa, aluminiyamu, ...Werengani zambiri -
Kuchita bwino kwa mlongoti ndi kupindula kwa mlongoti
Kuchita bwino kwa mlongoti kumayenderana ndi mphamvu zomwe zimaperekedwa ku mlongoti ndi mphamvu yotulutsidwa ndi mlongoti. Mlongoti wothandiza kwambiri umawonetsa mphamvu zambiri zoperekedwa ku mlongoti. Mlongoti wosagwira ntchito bwino umatenga mphamvu zambiri zomwe zatayika mkati mwa mlongoti...Werengani zambiri -
Phunzirani za ma planar antennas
Mlongoti wa Planar ndi mtundu wa antenna womwe umagwiritsidwa ntchito kwambiri pamakina olankhulirana. Ili ndi dongosolo losavuta komanso losavuta kupanga. Ikhoza kukonzedwa pa sing'anga yosalala, monga mbale yachitsulo, bolodi losindikizidwa, ndi zina zotero.Werengani zambiri -
Kodi Directivity ya antenna ndi chiyani
Kuwongolera ndi gawo lofunikira la antenna. Umu ndi muyeso wa momwe ma radiation ya antenna yolowera ilili. Mlongoti umene umatulutsa mofanana kumbali zonse udzakhala ndi chiwongolero chofanana ndi 1. (Izi ndizofanana ndi ziro decibels -0 dB). Ntchito ya...Werengani zambiri -
Mlongoti Wokhazikika wa Horn Horn: Kumvetsetsa Mfundo Yake Yogwirira Ntchito ndi Magawo Ogwiritsa Ntchito
Mlongoti wokhazikika wa horn antenna ndi mlongoti wolunjika womwe umagwiritsidwa ntchito nthawi zambiri, wokhala ndi chinthu chotumizira ndi chinthu cholandira. Cholinga chake ndikuwonjezera kupindula kwa mlongoti, ndiko kuti, kuyika mphamvu ya ma radio frequency kunjira inayake. Nthawi zambiri...Werengani zambiri -
Kumvetsetsa mfundo zamapangidwe ndi mawonekedwe ogwirira ntchito a tinyanga ta biconical
Biconical Antenna ndi mlongoti wapadera wamagulu osiyanasiyana omwe mawonekedwe ake amakhala ndi ma cones awiri achitsulo osakanikirana omwe amalumikizidwa pansi ndikulumikizidwa ndi gwero lazizindikiro kapena wolandila kudzera pa netiweki yochepetsera. Ma Biconical antennas amagwiritsidwa ntchito kwambiri pamagetsi amagetsi (EM ...Werengani zambiri -
Chidziwitso cha antennas a log-periodic ndi magawo awo ogwiritsira ntchito
Mlongoti wa log-periodic ndiye mawonekedwe omwe amakonda kwambiri antenna otsika kwambiri otsika kwambiri. Ili ndi mawonekedwe a kupindula kwapakatikati, bandwidth yogwiritsira ntchito pafupipafupi, komanso kusasinthika kwa magwiridwe antchito mkati mwa band frequency yogwira ntchito. Zoyenera carr...Werengani zambiri -
Onani ukadaulo wapamwamba wa ma conical logarithmic helical antennas
Mlongoti wa conical logarithmic helix ndi mlongoti umene umagwiritsidwa ntchito polandira ndi kufalitsa ma wailesi. Kapangidwe kake kamakhala ndi waya wozungulira womwe umachepa pang'onopang'ono mozungulira. Mapangidwe a conical logarithmic spiral antenna amatengera mfundo ya logarith ...Werengani zambiri
