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Antenna Introduction and Classification
1. Introduction to Antennas ʻO ka antenna kahi hoʻololi hoʻololi ma waena o kahi ākea a me kahi laina hoʻouna, e like me ka mea i hōʻike ʻia ma ke Kiʻi 1. Hiki ke ʻano o ka laina hoʻouna ma ke ʻano o kahi laina coaxial a i ʻole kahi pahu hollow (waveguide), i hoʻohana ʻia e hoʻouna. ikehu electromagnetic fr...Heluhelu hou aku -
Nā ʻāpana kumu o nā antenna - ka pono a me ka loaʻa ʻana o ka antenna
ʻO ka pono o kahi antenna e pili ana i ka hiki o ka antenna ke hoʻololi i ka ikehu uila komo i ka ikehu radiated. I nā kamaʻilio uila, he hopena koʻikoʻi ka hana antenna i ka maikaʻi o ka hoʻouna ʻana i ka hōʻailona a me ka hoʻohana mana. ʻO ka maikaʻi o ka ...Heluhelu hou aku -
He aha ka Beamforming?
Ma ke kahua o nā antennas array, beamforming, i ʻike ʻia hoʻi he kānana spatial, he ʻano hana hōʻailona i hoʻohana ʻia e hoʻouna a loaʻa i nā hawewe lekiō uila a i ʻole nā hawewe kani ma ke ʻano kuhikuhi. ʻO ka beamforming ka mea ...Heluhelu hou aku -
ʻO ka wehewehe kikoʻī o ka trihedral corner reflector
ʻO ke ʻano o ka pahu hopu radar passive a i ʻole reflector i hoʻohana ʻia i nā noi he nui e like me nā ʻōnaehana radar, ana, a me nā kamaʻilio i kapa ʻia he triangular reflector. ʻO ka hiki ke hoʻohālikelike i nā nalu electromagnetic (e like me nā hawewe lekiō a i ʻole nā hōʻailona radar) hoʻi pololei i ke kumu,...Heluhelu hou aku -
Nā antenna kiwi a me nā antenna polarized ʻelua: nā noi a me nā wahi o ka hoʻohana
ʻO ka antenna Horn a me nā antenna polarized ʻelua ʻelua ʻano antenna i hoʻohana ʻia i nā kula like ʻole ma muli o kā lākou mau hiʻohiʻona a me nā hana. Ma kēia ʻatikala, e ʻimi mākou i nā hiʻohiʻona o nā antenna horn a me dual-polar ...Heluhelu hou aku -
Hoʻohana i ka ʻenehana brazing vacuum RFMISO
ʻO ke ʻano o ka hoʻopaʻa ʻana i loko o ka umu ahi he ʻano hou o ka ʻenehana brazing i hana ʻia ma lalo o nā kūlana ʻole me ka hoʻohui ʻana i ka flux. Ma muli o ka hana ʻana o ke kaʻina hana brazing i loko o kahi ʻenekini, hiki ke hoʻopau maikaʻi ʻia nā hopena maikaʻi ʻole o ka ea ma ka mea hana ...Heluhelu hou aku -
Waveguide i ka coaxial converter app introduction
Ma ke kahua o ka lekiō a me ka hoʻouna ʻana i ka hōʻailona microwave, ma kahi o ka hoʻouna ʻana i nā hōʻailona uila ʻaʻole pono nā laina hoʻouna, ʻo ka hapa nui o nā hiʻohiʻona e koi mau i ka hoʻohana ʻana i nā laina hoʻouna no...Heluhelu hou aku -
Pehea e hoʻoholo ai i nā antenna circularly polarized lima hema a lima ʻākau
I ka honua antenna, aia ke kānāwai. Ke hoʻouna ʻia kahi antenna polarized vertically, hiki ke loaʻa iā ia e kahi antena polarized vertically; ke hoʻouna ʻia kahi antenna polarized horizontally, hiki ke loaʻa iā ia e kahi antena polarized horizontally; i ka wā pono...Heluhelu hou aku -
Pehea ka hana ʻana o kahi antenna microstrip? He aha ka ʻokoʻa ma waena o kahi antenna microstrip a me kahi antena patch?
ʻO Microstrip antenna kahi ʻano hou o ka microwave antenna e hoʻohana ana i nā kaula conductive i paʻi ʻia ma kahi substrate dielectric e like me ka antenna radiating unit. Ua hoʻohana nui ʻia nā antenna Microstrip i nā ʻōnaehana kamaʻilio hou ma muli o ko lākou liʻiliʻi liʻiliʻi, paona māmā, haʻahaʻa haʻahaʻa ...Heluhelu hou aku -
ʻO ka wehewehe ʻana a me ka hoʻokaʻawale ʻana o nā antenna RFID
Ma waena o nā ʻenehana kamaʻilio kelepona, ʻo ka pilina ma waena o ka mea transceiver uila a me ka antenna o ka ʻōnaehana RFID ka mea kūikawā. I ka ʻohana RFID, he mea nui nā antennas a me RFID ...Heluhelu hou aku -
He aha ka lekiō?
ʻO ka ʻenehana Radio Frequency (RF) kahi ʻenehana kamaʻilio uea, hoʻohana nui ʻia i ka lekiō, kamaʻilio, radar, kaohi mamao, nā ʻenehana ʻike uila a me nā kahua ʻē aʻe. Hoʻokumu ʻia ke kumu o ka ʻenehana lekiō uila uila i ka hoʻolaha a me ka modulation ...Heluhelu hou aku -
ʻO ke kumu o ka loaʻa antenna, pehea e helu ai i ka loaʻa antenna
ʻO ka loaʻa ʻana o ka Antenna e pili ana i ka loaʻa ʻana o ka mana radiated o kahi antenna i kahi kuhikuhi kikoʻī e pili ana i kahi antenna kumu kumu kūpono. Hōʻike ia i ka mana radiation o ka antenna i kahi kuhikuhi kikoʻī, ʻo ia hoʻi, ka hoʻokipa hōʻailona a i ʻole ka hoʻokuʻu ʻana o ka ante ...Heluhelu hou aku
