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Mafupipafupi a antenna
Antena yomwe imatha kutumiza kapena kulandira mafunde a electromagnetic (EM). Zitsanzo za mafunde a electromagnetic awa ndi monga kuwala kuchokera ku dzuwa, ndi mafunde omwe amalandiridwa ndi foni yanu yam'manja. Maso anu akulandira ma antenna omwe amazindikira mafunde a electromagnetic pamalo enaake...Werengani zambiri -
Kufunika kwa ma antenna m'munda wankhondo
Mu gawo la usilikali, ma antenna ndi ukadaulo wofunikira kwambiri. Cholinga cha antenna ndikulandira ndikutumiza ma signal a wailesi kuti athe kulumikizana opanda zingwe ndi zida zina. Pankhani yoteteza komanso ya usilikali, ma antenna amagwira ntchito yofunika kwambiri chifukwa amagwiritsidwa ntchito...Werengani zambiri -
bandiwifi ya antenna
Bandwidth ndi gawo lina lofunikira la antenna. Bandwidth imafotokoza kuchuluka kwa ma frequency omwe antenna imatha kutulutsa kapena kulandira mphamvu molondola. Nthawi zambiri, bandwidth yofunikira ndi imodzi mwa magawo omwe amagwiritsidwa ntchito posankha mtundu wa antenna. Mwachitsanzo, pali m...Werengani zambiri -
Kusanthula kapangidwe kake, mfundo yogwirira ntchito ndi zochitika zogwiritsira ntchito ma antenna a microstrip
Antena ya Microstrip ndi antenna yaying'ono yodziwika bwino, yokhala ndi chigamba chachitsulo, substrate ndi nthaka. Kapangidwe kake ndi motere: Zigamba zachitsulo: Zigamba zachitsulo nthawi zambiri zimapangidwa ndi zinthu zoyendetsera mpweya, monga mkuwa, aluminiyamu,...Werengani zambiri -
Kugwiritsa ntchito bwino kwa ma antenna ndi kupindula kwa ma antenna
Kugwira ntchito bwino kwa antenna kumagwirizana ndi mphamvu yomwe imaperekedwa ku antenna ndi mphamvu yomwe imaperekedwa ndi antenna. Antena yogwira ntchito bwino kwambiri imatulutsa mphamvu zambiri zomwe zimaperekedwa ku antenna. Antena yosagwira ntchito bwino imatenga mphamvu zambiri zomwe zimatayika mkati mwa antenna...Werengani zambiri -
Dziwani zambiri za ma antenna a pulanara
Antena ya pulanara ndi mtundu wa antena yomwe imagwiritsidwa ntchito kwambiri mumakina olumikizirana. Ili ndi kapangidwe kosavuta ndipo ndi yosavuta kupanga. Itha kuyikidwa pa sing'anga yosalala, monga mbale yachitsulo, bolodi losindikizidwa, ndi zina zotero. Antena ya pulanara imapangidwa makamaka ndi chitsulo ndipo nthawi zambiri imabwera...Werengani zambiri -
Kodi chitsogozo cha antenna ndi chiyani?
Kuwongolera ndi gawo lofunikira la antenna. Ichi ndi muyeso wa momwe mawonekedwe a radiation a antenna yolunjika alili. Antena yomwe imawulutsa mofanana mbali zonse idzakhala ndi kuwongolera kofanana ndi 1. (Izi ndizofanana ndi zero decibels -0 dB). Ntchito ya...Werengani zambiri -
Antena ya Standard Gain Horn: Mvetsetsani Mfundo Zake Zogwirira Ntchito ndi Madera Ogwiritsira Ntchito
Antena yodziwika bwino ya gain horn ndi antenna yolunjika yomwe imagwiritsidwa ntchito kwambiri, yokhala ndi chinthu chotumizira ndi chinthu cholandira. Cholinga chake cha kapangidwe kake ndikuwonjezera phindu la antenna, kutanthauza kuti, kuyika mphamvu ya ma frequency a wailesi mbali inayake. Nthawi zambiri ...Werengani zambiri -
Kumvetsetsa mfundo za kapangidwe ndi mawonekedwe a ntchito ya ma antenna a biconical
Antena ya Biconical ndi antenna yapadera ya wide-band yomwe kapangidwe kake kamakhala ndi ma cone awiri achitsulo ofanana omwe amalumikizidwa pansi ndikulumikizidwa ku gwero la chizindikiro kapena wolandila kudzera pa netiweki yokongoletsa. Antena za Biconical zimagwiritsidwa ntchito kwambiri pakugwirizana kwa ma electromagnetic (EM...Werengani zambiri -
Mau oyamba a ma antenna a log-periodic ndi minda yawo yogwiritsira ntchito
Antena ya log-periodic ndiyo njira yabwino kwambiri yolumikizira ma antenna otsika-frequency ultra-wideband directional. Ili ndi mawonekedwe a medium gain, operating frequency bandwidth, komanso magwiridwe antchito abwino mkati mwa operating frequency band. Yoyenera kunyamula...Werengani zambiri -
Fufuzani ukadaulo wapamwamba wa ma antenna a conical logarithmic helical
Antena ya conical logarithmic helix ndi antenna yomwe imagwiritsidwa ntchito kulandira ndi kutumiza zizindikiro za wailesi. Kapangidwe kake kamakhala ndi waya wa conical womwe umachepa pang'onopang'ono mu mawonekedwe ozungulira. Kapangidwe ka antenna ya conical logarithmic spiral kamadalira mfundo ya logarith...Werengani zambiri -
Kodi mukudziwa zinthu zomwe zimakhudza mphamvu ya zolumikizira za RF coaxial?
M'zaka zaposachedwa, chifukwa cha kupita patsogolo mwachangu kwa kulumikizana kwa opanda zingwe ndi ukadaulo wa radar, kuti pakhale mtunda wotumizira mauthenga, ndikofunikira kuwonjezera mphamvu yotumizira mauthenga. Monga gawo la makina onse a microwave, RF coaxial c...Werengani zambiri
