Ma ke ʻano he ʻāpana koʻikoʻi o ke kamaʻilio kelepona, ʻo ka hana maʻamau o ka antenna ka hoʻomālamalama a loaʻa i nā nalu radio.ʻO ka hana ka hoʻololi ʻana i ka nalu electromagnetic mai ke keʻena kīwī i ka uila hōʻailona i ke alapine kiʻekiʻe.
ʻO ke ʻano o ka hana ʻana o kahi antenna TV, ʻo ia ke neʻe ʻana o ka hawewe electromagnetic i mua, paʻi ia i kahi antenna metala, ʻoki ʻo ia i kahi laina mānoanoa, a hana ia i ka ikaika electromotive, ʻo ia ka uila hōʻailona.
Ma ke ʻano he ʻāpana koʻikoʻi o ka ʻōnaehana kamaʻilio, pili pono ka hana o ka antenna i ka index o ka ʻōnaehana kamaʻilio.Pono ka mea hoʻohana e hoʻolohe mua i kāna hana i ke koho ʻana i ka antenna.
ʻO kekahi o nā hōʻailona nui o kahi antenna ka loaʻa, ʻo ia ka huahana o ka coefficient kuhikuhi a me ka pono, a ʻo ia ka hōʻike o ka nui o ka radiation antenna a i ʻole nā nalu i loaʻa. ka hoʻolālā ʻōnaehana no ka wahi hoʻopaʻa hawewe lekiō.E waiho wale, ma lalo o nā kūlana like, ʻoi aku ka kiʻekiʻe o ka loaʻa, ʻoi aku ka mamao o ka hoʻolaha ʻana o ka hawewe lekiō.ʻO ka maʻamau, hoʻohana ka antenna base station i ka antenna waiwai kiʻekiʻe, a ʻo ka antenna kelepona paʻa e hoʻohana i ka antenna haʻahaʻa haʻahaʻa.
ʻO ka antenna ka loaʻa ʻana o ka TV ka mea maʻamau i ka antenna laina (antenna e loaʻa ana i ka satellite he surface antenna), e like me ke alapine o ka hōʻailona kiʻekiʻe i loaʻa hiki ke hoʻokaʻawale ʻia i VHF antenna, UHF antenna a me nā antenna āpau;E like me ka laulā alapine o ka antenna loaʻa, ua hoʻokaʻawale ʻia i ka antenna hoʻokahi a me ka antenna alapine.Wahi a kona ʻano, hiki ke hoʻokaʻawale ʻia i nā antenna alakaʻi, nā antenna apo, antenna iwi iʻa, antenna log periodic a pēlā aku.
ʻO ka papahana TV kaapuni hāmama i loaʻa e ka ʻōnaehana TV uwea ʻelua mau kaha alapine: ⅵ (kanani 1-4) a me ⅷ (kanani 6-12) ma VHF band a me UIV (kanani 13-24) a me UV (kanani 25- 48) ma ka pūʻulu UHF.I ka VHF frequency band, koho ʻia ka antenna channel kūikawā e loaʻa ana i ka hōʻailona TV o kahi kahawai kikoʻī, a koho ʻia ke kūlana hoʻokipa maikaʻi loa no ka hoʻonohonoho ʻana, i loaʻa iā ia nā pōmaikaʻi o ka loaʻa kiʻekiʻe, ke koho maikaʻi a me ke kuhikuhi ikaika.Eia nō naʻe, ʻo ka antenna partial-band i hoʻohana ʻia ma ⅵ a me ⅷ a me nā antenna āpau āpau i hoʻohana ʻia ma VHF he ākea ākea ākea a me ka loaʻa haʻahaʻa, kūpono wale ia no kekahi mau ʻōnaehana liʻiliʻi.I ka UHF band frequency, hiki i nā antenna band frequency ke loaʻa i nā polokalamu kīwī o kekahi mau kaha i hoʻokaʻawale ʻia.
Ka manawa hoʻouna: ʻAukake-25-2022