Te porowhita porowhita matau (RHCP) me te porowhita porowhita maui (LHCP)Whakaahuahia te ahunga e huri ai te ira hiko i te horapa o te ngaru hikohiko. He mea nui te tautuhi tika i roto i ngā hononga amiorangi, te radar, te ine pūihi me ētahi atu pūnaha RF nā te mea me whakamahi ngā pūihi tuku me te whiwhi i te pōraihana hototahi kia tutuki ai te whakawhiti mana whai hua.
E whakamārama ana tēnei aratohu i te tikanga mātakitaki, te ture ā-ringa mahi, te whanaungatanga ā-mara, te ōwehenga tuaka me ngā whakatakotoranga matua hei tirotiro i te wā e kōwhiri ana i tētahi pūihi porowhita-polarized.
Ngā Tauira o te Pūihi Pūoro Porowhita RF MISO
Ka whakaratohia e te RF MISO ngā tauira pūihi haona porowhita-polarized mō ngā roopu whakahaere kua tohua. Kei raro nei ngā tauira e whakaatu ana i ngā kōwhiringa whānuitanga auau rerekē; me whakaū tonu te ā-ringa, te ōwehenga tuaka, te whakanui, te atanga me ngā raraunga miihini i roto i te pepa raraunga tauira o nāianei i mua i te kōwhiringa.
RM-CPHA82124-20| Pūihi haona porowhita porowhita 8.2–12.4 GHz
RM-CPHA1840-12| Pūihi haona porowhita porowhita 18–40 GHz
RM-CPHA218-16| Pūihi haona porowhita porowhita 2–18 GHz
Tūhurahia te kāwai katoa: Ngā pūihi haona porowhita RF MISO, tae atu ki te RHCP, te LHCP me ngā kōwhiringa whakawehewehe porowhita-rua mā te tauira.
He aha te Pōraritanga Porowhita?
Ko te whakapolarization e whakaahua ana i te ara i whaia e te ira hiko-papa i tētahi pūwāhi pumau i te wāhi. I roto i te whakapolarization rārangi, ka noho tonu te ira ki runga i tētahi rārangi tika. I roto i te whakapolarization porowhita pai, he pumau tōna rahi i te mea ka huri te ira mā te 360 nekehanga i ia huringa RF. Ko ngā pūihi mahi ka whakaputa i tētahi ara porowhita paku, nō reira ka aromatawaihia te porowhita mā teōwehenga tuaka. Ko te ōwehenga tuaka o te ngaru porowhita porowhita tino pai he 0 dB; ko te ōwehenga tuaka iti ake e tohu ana i te tata atu o te pōraritanga ki te porowhita.
Ka taea te hanga i te porowhita porowhita mā roto i ngā wāhanga āpure rārangi orthogonal e rua me te kaha ōrite me te rerekētanga ā-wāhanga o te 90 nekehanga tāpiri, tango rānei. Ko te tohu o taua whanaungatanga ā-wāhanga tapawhā e whakatau ana mēnā ko te ngaru he RHCP, he LHCP rānei i raro i te tikanga kua whakahuatia.
RHCP vs LHCP: Whakahuatia te Kawenata Tirotiro
Ka kitea pea te āhua o te ringa i te taha whakamuri ina tirohia te mara hurihuri kotahi mai i ngā taha rerekē. Hei karo i te koretake, me kī tonu te ahunga tirotiro. I raro i te tikanga IEEE e whakamahia whānuitia ana, ka tautuhia te ringa i te wā e titiro anai te ahunga o te horapa o te ngaru, mai i te pūtake ki te ahunga o te haere.
Ko tētahi tikanga whai hua ko te tohu i tō koromatua ki te ahunga horapa. Mena ka whai te hurihanga o te mara hiko i te piko o ngā maihao i tō ringa matau, ko te ngaru he RHCP i raro i tēnei tikanga; ki te whai i te piko o te ringa maui, he LHCP. Nā te mea he rerekē te tirohanga a ētahi tuhinga me ngā kaupapa ako, whakaūhia te tikanga i roto i te pepa raraunga pūihi me te tukanga whakamātautau i mua i te whakataurite i ngā hua.
Ngā Wāhanga o te Marae me te Hononga Wāhanga
Whakaarohia kia rua ngā wāhanga ngaru-papa e haere ana i te tuaka-z. Kotahi te wāhanga papa-hiko e anga ana ki te taha o x me te kaha E.x; kei te anga te tuarua i te taha o y me te kaha Ey. Mā tā rātou tapeke whārite ka whakatau te āhua pōraritanga ka puta.
Ina kotahi anake te wāhanga e kitea ana, ka porowhita rārangi te ngaru i taua tuaka. Ina kitea ngā wāhanga e rua, ko tō rātou kaha me te āhua e whakatau ana mēnā he porowhita rārangi, porowhita, porowhita rānei te hua.
Ka taea te whakarāpopoto i te whanaungatanga mara penei:
- Mena ko Exkāore i te kore, ā, ko Eyhe kore, he rārangi te porowhitatanga i te taha o x.
- Mena ko Eykāore i te kore, ā, ko Exhe kore, he rārangi te porowhitatanga i te taha o y.
- Mena kei te āhua ōrite ngā wāhanga e rua, ka noho rārangi tonu te tapeke whārite i tētahi koki pumau.
- Mena he ōrite te kaha o ngā wāhanga, ā, ko te rerekētanga ā-wāhanga he 90 nekehanga tāpiri, he tango rānei, ko te hua he porowhita porowhita tino pai.
Mena he kore ōrite ngā wāhanga orthogonal, he kore rānei te rerekētanga ā-wāhanga e 90 nekehanga, ka whai te mara i tētahi porowhita kaua i tētahi porowhita. Koia te take me tohu e te pepa raraunga pūihi te ōwehenga tuaka i runga i te auau, ā, ki te tika, i runga i te taupoki koki e whakaarohia ana. Kāore te ringaringa anake e whakaahua i te kounga pōraritanga.
He aha te Hiranga o te Whakataurite Polarization
Ka tangohia e te pūihi whiwhi te mana nui rawa atu e wātea ana ina taurite tōna pōraritanga ki te ngaru e haere mai ana. He orthogonal ngā āhua pōraritanga porowhita pai e rerekē ana, nō reira ka taea e te kore taurite RHCP/LHCP te whakaputa i te ngaronga pōraritanga nui. Ka whakaratohia e ngā pūihi tūturu te whakakorenga pōraritanga whakawhiti mutunga kore, ā, ko te mahi ine ka whakawhirinaki hoki ki te ōwehenga tuaka, te whakaritenga, ngā whakaata me te taiao whakamātautau e karapoti ana.
Ka taea e ngā whakaata mai i ngā mata kawe hiko te whakarerekē i te āhua pōraritanga kitea, ā, ka taea e ngā ratōme, ngā taputapu, ngā hanganga tata rānei te whakapōturi i te mara. Mō te manatoko pono, whakarārangihia ngā pūihi e rua ki te tirohanga pū, whakamahia he tohutoro pōraritanga e mōhiotia ana, whakatairitehia te mana i whiwhihia mō ngā whirihoranga RHCP me LHCP, me te ine i te ōwehenga tuaka me te mahi pōraritanga whakawhiti puta noa i te roopu e hiahiatia ana.
Me pēhea te whiriwhiri i tētahi pūihi RHCP, LHCP rānei
I mua i te whiriwhiri i tētahi pūihi porowhita porowhita porowhita, tautuhia te whakaritenga mahi katoa kaua e whiriwhiri mā te auau anake:
- Awhe auau:whakaū i te kapinga roopu-katoa, kaua ko te auau pokapū anake.
- Te whakapūmautanga:tauwhāitihia te RHCP, te LHCP, te porowhita takirua rānei me te tikanga ā-ringa.
- Ōwehenga tuaka:tirohia te rohe e hiahiatia ana puta noa i te auau me te kapinga koki.
- Te pikinga me te whānui o te hihi:te tahua hono taurite, te kapinga me ngā matea ine-tawhiti.
- Taurite ātete:arotakehia te VSWR, te ngaronga whakahoki rānei puta noa i te roopu katoa.
- Atanga RF me te mana:manatokohia te hononga, te atanga arataki ngaru rānei me ngā hiahia whakahaere-mana.
- Whakaurunga ā-mīhini:whakaū i te kōpaki, te atanga whakairinga, te whakatakotoranga me ngā whakaritenga taiao.
Kōrero ki tētahi Tohunga Pūihi RF MISO
He kaihanga me te kaiwhakarato pūihi RF me te ngaruiti a RF MISO. Tukuna mai ōu awhe auau, ōu āputa e hiahiatia ana, ōu kaha, ōu ōwehenga tuaka, ōu atanga me ōu herenga tāutanga kia taea ai e tā mātou tīma te āwhina i a koe ki te tautuhi i tētahi tauira paerewa e tika ana, ki te matapaki rānei i ngā whakaritenga tono.
Tirohia ngā pūihi porowhita porowhita porowhita|Whakapā atu ki a RF MISO
Wā tuku: Mei-21-2024
