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Ngā Pūrongo Ahumahi

  • Ariā Pūihi – Whānuitanga Hiko

    Ariā Pūihi – Whānuitanga Hiko

    I roto i te tauira irahiko o te pūihi, ko te pū matua te tohu o te hihi matua o te pūihi, e tukuna atu ai te pūngao mōrahi me te tino kukū. Ko te whānui hihi te whānui koki o te kōhao e tukuna atu ai te nuinga o te mana. Ko ngā hihi matua e rua ...
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  • Ariā Pūihi – Ngā Hiko me te Whakapūtanga

    Ariā Pūihi – Ngā Hiko me te Whakapūtanga

    E matapakihia ana i tēnei upoko ngā tawhā o ngā hihi irahiko antenna, e āwhina ana i a tātou ki te mārama ki ngā whakatakotoranga hihi. Te Horahanga Hira E ai ki te whakamāramatanga paerewa: "Mēnā ka noho tonu te kaha hihi P(θ,ϕ) ki tōna uara mōrahi i runga ake i...
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  • Ariā Pūihi — Irahiko Irahiko

    Ariā Pūihi — Irahiko Irahiko

    I te upoko o mua, i kōrerohia e tātou ngā tauira irahiko. Hei tātari pai ake i te irahiko pūihi, me whai i tētahi pūwāhi tohutoro. Ko te irahiko o tētahi pūihi isotropic te mea e tutuki ai tēnei mahi. Whakamāramatanga Ko te irahiko isotropic e pā ana ki te irahiko mai i tētahi pūtake pūwāhi...
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  • Ariā Pūihi – Ngā Tauira Irahiko

    Ariā Pūihi – Ngā Tauira Irahiko

    Ko te irahiko he kupu e whakaahua ana i te kaha o ngā ngaru hikohiko e tukuna ana, e whiwhihia ana rānei e te pūihi. I roto i ngā whakaahua katoa o te pūihi, ko te hoahoa e whakaatu ana i ngā āhuatanga irahiko o te pūihi e mōhiotia ana ko tōna tauira irahiko. Mā te mātakitaki i te irahiko p...
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  • Ariā Pūihi – Papa Tata me Papa Tawhiti

    Ariā Pūihi – Papa Tata me Papa Tawhiti

    Whai muri i te matapakinga o ngā tawhā pūihi taketake i te upoko o mua, ko tētahi atu kaupapa nui hei whakaaroaro ko ngā rohe tata-papa me ngā rohe tawhiti-papa o te pūihi. He rerekē te kaha o te irahiko e inehia ana i te taha tata o te pūihi i tērā e inehia ana i tawhiti. ...
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  • Ariā Pūihi – Ngā Tawhā Taketake

    Ariā Pūihi – Ngā Tawhā Taketake

    Ka whakaurua e tēnei upoko ngā tawhā matua o te whakawhitiwhiti kōrero ahokore, e whai ana kia pai ake te māramatanga ki te tūranga o ngā pūihi i roto i ngā pūnaha whakawhitiwhiti kōrero. Ka whakahaerehia te whakawhitiwhiti kōrero ahokore i roto i te āhua o ngā ngaru hikohiko, nā reira he mea nui kia mārama...
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  • Te Aratohu Tino Pai ki ngā Antenna: Te Mahi a ngā Antenna

    Te Aratohu Tino Pai ki ngā Antenna: Te Mahi a ngā Antenna

    He taputapu whakawhitiwhiti kōrero noa ngā pūihi i roto i ō tātou ao. Heoi, kāore te nuinga o te tangata e tino mārama ki a rātou, e mōhio ana pea rātou he mea whakamahi hei tuku me te whiwhi tohu. Heoi anō, mai i te wa i angitu ai te hanga a te kaipūtaiao Rūhia, a Popov, i te pūihi i te tau 18...
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  • AESA vs PESA: Te Hurihanga o ngā Hoahoa Pūihi Hou ki ngā Pūnaha Radar

    AESA vs PESA: Te Hurihanga o ngā Hoahoa Pūihi Hou ki ngā Pūnaha Radar

    Ko te whanaketanga mai i te Passive Electronically Scanned Array (PESA) ki te Active Electronically Scanned Array (AESA) te whanaketanga nui rawa atu o te hangarau radar hou. Ahakoa e whakamahi ana ngā pūnaha e rua i te urungi hihi hiko, he rerekē ngā hanganga taketake...
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  • He ngaru irirangi, he ngaru ngaru rānei te 5G?

    He ngaru irirangi, he ngaru ngaru rānei te 5G?

    Ko tētahi pātai noa i roto i te whakawhitiwhiti kōrero ahokore ko te whakamahi i ngā ngaru hiko, i ngā ngaru reo irirangi rānei a te 5G. Ko te whakautu: Ka whakamahia e te 5G ngā mea e rua, nā te mea he huinga ngaru reo irirangi ngā ngaru reo irirangi. Ka kapi ngā ngaru reo irirangi i te whānuitanga o ngā auau hikohiko, mai i te 3 kHz ki te 30...
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  • Te Whanaketanga o ngā Pūihi Teihana Tūāpapa: Mai i te 1G ki te 5G

    Te Whanaketanga o ngā Pūihi Teihana Tūāpapa: Mai i te 1G ki te 5G

    Kei roto i tēnei tuhinga he arotake pūnaha mō te whanaketanga o te hangarau pūihi teihana turanga puta noa i ngā whakatupuranga whakawhitiwhiti waea pūkoro, mai i te 1G ki te 5G. E whai ana i te huringa o ngā pūihi mai i ngā tuku tohu māmā ki ngā pūnaha matatau e whakaatu ana i te ...
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  • He pēhea te mahi a te pūihi ngaruiti? Ngā mātāpono me ngā wāhanga e whakamāramahia ana

    He pēhea te mahi a te pūihi ngaruiti? Ngā mātāpono me ngā wāhanga e whakamāramahia ana

    Ka hurihia e ngā pūihi ngaruiti ngā tohu hiko hei ngaru hikohiko (me te hurihanga) mā te whakamahi i ngā hanganga i hangaia kia tino tika. E toru ngā mātāpono matua o tā rātou mahi: 1. Aratau Tuku Whakawhiti Ngaru Hikohiko: Ngā tohu RF mai i te tuku ...
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  • He aha te whānuitanga o te pūihi ngaruiti? Ngā āhuatanga matua me ngā raraunga mahi

    He aha te whānuitanga o te pūihi ngaruiti? Ngā āhuatanga matua me ngā raraunga mahi

    Ko te whānuitanga whai hua o te pūihi ngaruiti e whakawhirinaki ana ki tōna roopu auau, te whakanui, me te horopaki tono. Kei raro nei he wehewehenga hangarau mō ngā momo pūihi noa: 1. Te Hononga o te Roopu Auau me te Awhe Pūihi E-roopu (60–90 GHz): Awhe poto, kaha teitei l...
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