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Nā palena kumu o nā antennas - ka pono a me ka loaʻa o ka antenna
ʻO ka pono o kahi antenna e pili ana i ka hiki o ka antenna ke hoʻololi i ka ikehu uila i hoʻokomo ʻia i ikehu i hoʻolaha ʻia. I nā kamaʻilio uea ʻole, he hopena koʻikoʻi ka pono o ka antenna i ka maikaʻi o ka hoʻouna ʻana i nā hōʻailona a me ka hoʻohana ʻana i ka mana. ʻO ka pono o ka a...E heluhelu hou aku -
He aha ka Beamforming?
Ma ke kahua o nā antennas array, ʻo ka beamforming, i ʻike ʻia hoʻi ʻo ka spatial filtering, he ʻenehana hana hōʻailona i hoʻohana ʻia e hoʻouna a loaʻa i nā nalu lekiō uea ʻole a i ʻole nā nalu kani ma ke ʻano kuhikuhi. He mea maʻamau ka Beamforming...E heluhelu hou aku -
Ka wehewehe kikoʻī ʻana o ka mea hoʻomālamalama kihi trihedral
ʻO kahi ʻano o ka pahuhopu radar passive a i ʻole reflector i hoʻohana ʻia i nā noi he nui e like me nā ʻōnaehana radar, ke ana ʻana, a me nā kamaʻilio ʻana ua kapa ʻia he reflector triangular. ʻO ka hiki ke hōʻike pololei i nā nalu electromagnetic (e like me nā nalu lekiō a i ʻole nā hōʻailona radar) i ke kumu,...E heluhelu hou aku -
ʻO nā antenna pepeiaohao a me nā antenna polarized pālua: nā noi a me nā wahi o ka hoʻohana
ʻO ka antenna pepeiaohao a me ka antenna polarized pālua ʻelua ʻano antennas i hoʻohana ʻia ma nā ʻano like ʻole ma muli o ko lākou mau ʻano kūikawā a me nā hana. Ma kēia ʻatikala, e ʻimi mākou i nā ʻano o nā antenna pepeiaohao a me nā polar pālua...E heluhelu hou aku -
Ka hoʻohana ʻana o ka ʻenehana brazing vacuum RFMISO
ʻO ke ʻano hana brazing i loko o ka umu hakahaka he ʻano hou ia o ka ʻenehana brazing i hana ʻia ma lalo o nā kūlana hakahaka me ka ʻole o ka hoʻohui ʻana i ka flux. ʻOiai ke hana ʻia nei ke kaʻina hana brazing i loko o kahi kaiapuni hakahaka, hiki ke hoʻopau pono ʻia nā hopena ʻino o ka ea ma ka workpiece...E heluhelu hou aku -
Hoʻolauna ʻia ka noi hoʻololi Waveguide i coaxial
Ma ke kahua o ka hoʻoili ʻana i ka alapine lekiō a me ka microwave, ma waho aʻe o ka hoʻoili ʻana i nā hōʻailona uea ʻole e pono ai nā laina hoʻoili, koi mau ka hapa nui o nā hiʻohiʻona i ka hoʻohana ʻana i nā laina hoʻoili no...E heluhelu hou aku -
Pehea e hoʻoholo ai i nā antennas polarized circularly lima hema a me ka lima ʻākau
I loko o ke ao antenna, aia kekahi kānāwai. Ke hoʻouna ʻia kahi antenna polarized vertically, hiki ke loaʻa iā ia e kahi antenna polarized vertically; ke hoʻouna ʻia kahi antenna polarized horizontally, hiki ke loaʻa iā ia e kahi antenna polarized horizontally; ke ʻākau...E heluhelu hou aku -
Pehea e hana ai kahi antenna microstrip? He aha ka ʻokoʻa ma waena o kahi antenna microstrip a me kahi antenna patch?
ʻO ka antenna Microstrip kahi ʻano hou o ka antenna microwave e hoʻohana ana i nā ʻāpana conductive i paʻi ʻia ma kahi substrate dielectric e like me ka ʻāpana antenna radiation. Ua hoʻohana nui ʻia nā antenna Microstrip i nā ʻōnaehana kamaʻilio hou ma muli o ko lākou liʻiliʻi, māmā ke kaumaha, haʻahaʻa ke ʻano...E heluhelu hou aku -
Ka wehewehe ʻana a me ka loiloi hoʻokaʻawale maʻamau o nā antennas RFID
Ma waena o nā ʻenehana kamaʻilio uea ʻole, ʻo ka pilina ma waena o ka hāmeʻa transceiver uea ʻole a me ka antenna o ka ʻōnaehana RFID ka mea kūikawā loa. I loko o ka ʻohana RFID, he mea nui like nā antennas a me RFID ...E heluhelu hou aku -
He aha ke alapine (frequency) lekiō?
ʻO ka ʻenehana Radio Frequency (RF) kahi ʻenehana kamaʻilio uea ʻole, i hoʻohana nui ʻia i ka lekiō, nā kamaʻilio, radar, ka mana mamao, nā pūnaewele sensor uea ʻole a me nā ʻoihana ʻē aʻe. Hoʻokumu ʻia ke kumumanaʻo o ka ʻenehana alapine lekiō uea ʻole ma ka hoʻolaha a me ka modulation...E heluhelu hou aku -
ʻO ke kumumanaʻo o ka loaʻa ʻana o ka antenna, pehea e helu ai i ka loaʻa ʻana o ka antenna
ʻO ka loaʻa ʻana o ka antenna e pili ana i ka loaʻa ʻana o ka mana i hoʻāla ʻia o kahi antenna ma kahi kuhikuhi kikoʻī e pili ana i kahi antenna kumu kiko kūpono. Hōʻike ia i ka hiki ke hoʻāla ʻia o ka antenna ma kahi kuhikuhi kikoʻī, ʻo ia hoʻi, ka loaʻa ʻana o ka hōʻailona a i ʻole ka pono o ka hoʻokuʻu ʻana o ka ante...E heluhelu hou aku -
ʻEhā mau ʻano hānai kumu o nā antenna microstrip
ʻO ke ʻano o kahi antenna microstrip ma ke ʻano laulā he substrate dielectric, radiator a me kahi papa honua. ʻOi aku ka liʻiliʻi o ka mānoanoa o ka substrate dielectric ma mua o ka wavelength. Hoʻopili ʻia ka papa metala lahilahi ma lalo o ka substrate i ka honua...E heluhelu hou aku
