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Antenna Knowledge Antenna Gain
1. Antenna loaʻa Antenna loaʻa e pili ana i ka lakio o ka mana radiation o ka antenna ma kekahi kuhikuhi i kuhikuhi ʻia i ka mana o ka mana radiation o ka antenna kuhikuhi (maʻa mau i kahi kumu kuhi radiation kūpono) ma ka mana hoʻokomo like. ʻO nā ʻāpana e ...Heluhelu hou aku -
Pehea e hoʻomaikaʻi ai i ka pono o ka hoʻouna ʻana a me ka laulā o ka antenna
1. Hoʻonui i ka hoʻolālā antenna ʻO ka hoʻolālā antenna ke kī i ka hoʻomaikaʻi ʻana i ka pono o ka hoʻouna ʻana a me ka laulā. Eia kekahi mau ala e hoʻolālā ai i ka hoʻolālā antenna: 1.1 E hoʻohana i ka ʻenehana antenna multi-aperture hiki ke hoʻokomo i ka ʻenehana antenna ākea nui ...Heluhelu hou aku -
Ka pilina ma waena o ka mana o ka RF coaxial connector a me ka hoʻololi pinepine ʻana o ka hōʻailona
E emi ana ka mana o nā mea hoʻohui coaxial RF i ka piʻi ʻana o ke alapine hōʻailona. ʻO ka hoʻololi ʻana o ka alapine hōʻailona hoʻouna e alakaʻi pololei i nā loli i ka poho a me ka lākiō hawewe kū kūʻokoʻa, e pili ana i ka mana hoʻouna a me ka hopena o ka ʻili. No ...Heluhelu hou aku -
He loiloi o nā antenna laina hoʻouna e pili ana i nā metamaterial (Mahele 2)
2. Ka hoʻohanaʻana o MTM-TL i nā Antenna Systems E kālele ana kēia māhele i nā TL metamaterial artificial a me kekahi o kā lākou mau mea maʻamau a pili pono no kaʻikeʻana i nā hanana antenna likeʻole me ka uku haʻahaʻa, ka hana maʻalahi, ka miniaturization, ka bandwidth ākea, ke kiʻekiʻe ga ...Heluhelu hou aku -
He loiloi o nā Antennas Transmission Line Metamaterial
I. Introduction Hiki ke wehewehe maikaʻi ʻia nā metamaterials e like me nā hale i hana ʻia no ka hana ʻana i kekahi mau waiwai electromagnetic i kū maoli ʻole. Ua kapa ʻia nā metamaterial me ka ʻae ʻole a me ka permeability maikaʻi ʻole he metamaterials lima hema (LHM...Heluhelu hou aku -
He loiloi o ka hoʻolālā rectenna (Mahele 2)
Antenna-Rectifier Co-design ʻO ka hiʻohiʻona o nā rectennas ma hope o ka topology EG ma ke Kiʻi 2 ʻo ia ka hoʻohālikelike pono ʻana o ka antenna i ka rectifier, ma mua o ka maʻamau 50Ω, e koi ana i ka hōʻemi a i ʻole ka hoʻopau ʻana i ke kaapuni pili i ka mana o ka rectifier...Heluhelu hou aku -
He loiloi o ka hoʻolālā rectenna (Mahele 1)
1.Introduction Ua hoihoi nui ka radio frequency (RF) i ka ʻohi ikehu (RFEH) a me ka radiative wireless power transfer (WPT) ma ke ʻano he ala e hoʻokō ai i nā ʻuena uila hoʻomau ʻole. ʻO Rectennas ka pōhaku kihi o nā ʻōnaehana WPT a me RFEH a loaʻa kahi hōʻailona ...Heluhelu hou aku -
ʻO ka nānā ʻana o Terahertz Antenna Technology 1
Me ka piʻi nui ʻana o nā mea uila, ua komo nā lawelawe ʻikepili i kahi manawa hou o ka hoʻomohala wikiwiki, ʻike ʻia hoʻi ka ulu pahū o nā lawelawe ʻikepili. I kēia manawa, ke neʻe mālie nei ka nui o nā noi mai nā kamepiula a i nā ʻaoʻao uea ...Heluhelu hou aku -
Nānā Antenna: He loiloi o Fractal Metasurfaces a me Antenna Design
I. Introduction ʻO Fractals nā mea makemakika e hōʻike ana i nā waiwai like ʻole ma nā unahi like ʻole. ʻO ia hoʻi, ke hoʻonui ʻoe i loko/i waho ma ke ʻano fractal, ʻano like loa kēlā me kēia ʻāpana me ke ʻano holoʻokoʻa; ʻo ia hoʻi, hana hou ʻia nā ʻano geometric like ʻole ...Heluhelu hou aku -
Alakaʻi hawewe RFMISO i ka mea hoʻopono Coaxial (RM-WCA19)
ʻO Waveguide i coaxial adapter kahi mea nui o nā antenna microwave a me nā ʻāpana RF, a he mea nui ia i nā antenna ODM. ʻO kahi alakaʻi nalu i ka adapter coaxial kahi mea i hoʻohana ʻia e hoʻopili ai i kahi alakaʻi nalu i kahi kaula coaxial, e hoʻouna pono ana i nā hōʻailona microwave mai ...Heluhelu hou aku -
Hoʻolauna a me ka hoʻokaʻawale ʻana o kekahi mau antenna maʻamau
1. Introduction to Antennas ʻO kahi antenna kahi hoʻololi hoʻololi ma waena o kahi ākea a me kahi laina hoʻouna, e like me ka mea i hōʻike ʻia ma ka Figure 1. Hiki ke laina hoʻouna i ke ʻano o kahi laina coaxial a i ʻole kahi pahu hollow (waveguide), i hoʻohana ʻia e hoʻouna i ka ikehu electromagnetic fr ...Heluhelu hou aku -
Nā ʻāpana kumu o nā antenna - ka pono beam a me ka bandwidth
kiʻi 1 1. ʻO ka maikaʻi o ka beam ʻO kekahi mea maʻamau no ka loiloi ʻana i ka maikaʻi o ka hoʻouna ʻana a me ka loaʻa ʻana o nā antenna ʻo ia ka pono o ka beam. No ka antenna me ka lobe nui ma ke kuhikuhi axis z e like me ka mea i hōʻike ʻia ma ke Kiʻi 1, e ...Heluhelu hou aku
