Uyini umsebenzi wesihlungi se-antenna yemoto
I-Youdaoplaceholder0 Umsebenzi oyinhloko wesihlungi se-antenna yemoto ukucindezela ukuphazamiseka kwe-electromagnetic, ukuthuthukisa ikhwalithi yokuxhumana kanye nesilinganiso sesiginali kuya kumsindo . Isihlungi sithuthukisa ukumelana nokuphazamiseka kwesiginali kanye nesilinganiso sesiginali kuya kumsindo ngokuhlunga izingxenye zemvamisa ezingafuneki, ngaleyo ndlela siqinisekise ukuzinza nokuthembeka kwezinhlelo zokuxhumana .
Umsebenzi othize
I-Youdaoplaceholder0 Cindezela ukuphazamiseka kwe-electromagnetic : Isihlungi se-antenna yezimoto singahlunga ngempumelelo ukuphazamiseka kwe-electromagnetic, ikakhulukazi amasignali okuphazamiseka kwemvamisa ephezulu, ukuze siwavimbele ekungeneni kugridi yamandla futhi singcolise indawo ye-electromagnetic. Lokhu kusiza ukugcina imishini yokuxhumana isebenza kahle futhi kugwenywe ukuphazamiseka kokuxhumana noma iphutha ledatha elibangelwa ukuphazamiseka kwe-electromagnetic .
I-Youdaoplaceholder0 Thuthukisa ikhwalithi yokuxhumana : Ngokuhlunga amasignali okuphazamiseka kwemvamisa ephezulu, isihlungi singathuthukisa isilinganiso sesiginali nomsindo somamukeli, siqinisekise amasignali okuxhumana acacile futhi azinzile. Lokhu kubaluleke kakhulu emishinini yokuxhumana efakwe emotweni, ikakhulukazi ezindaweni ezinomsindo ophezulu, okunganciphisa ngempumelelo izinga lomsindo wangemuva futhi kuthuthukise ikhwalithi yokuxhumana .
Ukuthuthukiswa kwesignali ye-Youdaoplaceholder0: Izihlungi zisiza futhi ukuthuthukisa ukudluliswa kwesignali ewusizo, okuqinisekisa ukwamukelwa kwesignali okuzinzile nokunembile kwamadivayisi afana nezinhlelo zokuzulazula namarediyo. Lokhu KUBALULEKILE ekusebenzeni okuvamile kwesistimu yokuzulazula yemoto kanye ne-RADIO.
Umklamo kanye nomgomo wokusebenza
Izihlungi ze-antenna zezimoto zivame ukwakhiwa ngama-capacitor, ama-inductor kanye nama-resistor. Ngokusebenzisa isici sazo sokudlulisa amaza aphezulu nokuvimba amaza aphansi, ziqondisa amaza okuphazamiseka kwamaza aphezulu emhlabathini noma entanjeni engathathi hlangothi, ngaleyo ndlela zibonise noma zimunce izimpawu zokuphazamiseka. Ngaphezu kwalokho, isihlungi singacindezela kakhulu ukuphazamiseka kwe-electromagnetic ngezindlela zobuchwepheshe ezifana nokuhlunga kwezigaba eziningi kanye nesekethe yesinxephezelo sesixhumanisi esiholayo .
Isihlungi se-antenna yezimoto i-Youdaoplaceholder0 yidivayisi esetshenziswa ezinhlelweni ze-antenna yezimoto, umsebenzi wayo oyinhloko ukuhlunga amasignali angafuneki ukuqinisekisa ukuthi i-antenna ingathola amasignali afunwayo kuphela. Izihlungi zithuthukisa ikhwalithi yesignali etholiwe kanye nokuqina kwesistimu ngokuvumela ngokukhetha ama-frequency athile esignali ukuthi adlule ngenkathi kucindezela amanye ama-frequency .
Izinhlobo nemisebenzi yezihlungi ze-antenna zezimoto
Isihlungi se-Youdaoplaceholder0 Esiphansi : Sivumela amasignali angaphansi kwemvamisa ethile yokusika ukuthi adlule futhi sivimbele amasignali angaphezu kwaleyo mvamisa.
Isihlungi se-Youdaoplaceholder0 High-pass : Sivimba amasignali angaphansi kwemvamisa ethile yokuvala futhi sivumela amasignali angaphezu kwalowo mvamisa ukuthi adlule.
Isihlungi se-Youdaoplaceholder0 Band-pass : Sivumela izimpawu zebhendi ethile ukuthi zidlule futhi sivimbele izimpawu zamanye amabhendi.
Isihlungi sebhendi yokumisa i-Youdaoplaceholder0 : Sivimba amasignali avela kwelinye ibhendi futhi sivumela amasignali avela kwamanye amabhendi ukuthi adlule.
Izimo zokusetshenziswa kanye nokubaluleka kwezihlungi ze-antenna yezimoto
Izihlungi ze-antenna zezimoto zisetshenziswa kabanzi ezinhlelweni ezahlukene ze-elekthronikhi zezimoto, ikakhulukazi kuma-antenna ezimoto e-shark fin. Lo mklamo awugcini nje ngokujabulisa ubuhle kodwa futhi unciphisa ngempumelelo ukumelana nomoya. Okwamanje, isihlungi esakhelwe ngaphakathi singahlunga ukuphazamiseka kwe-electromagnetic okungadingekile, siqinisekise ukusebenza okuzinzile kwemishini yokuxhumana. Isibonelo, izihlungi zibaluleke kakhulu ezingxenyeni ezibalulekile njengezinhlelo zokulawula injini kanye nokubhuleka ukuqinisekisa ukuthi lezi zinhlelo zithembeke kakhulu futhi zithuthukise ukuphepha kokushayela .
Umgomo wokuklama kanye nemingcele yobuchwepheshe yezihlungi ze-antenna yezimoto
Isimiso sokuklama izihlungi ze-antenna yezimoto sisekelwe kumbono we-electromagnetic kanye nomklamo wesekethe, futhi ngokuvamile sakhiwe ngama-capacitor, ama-inductor kanye nama-resistor. Amapharamitha ayo obuchwepheshe ayinhloko afaka imvamisa ephakathi, imvamisa yokusika, i-bandwidth ye-passband, ukulahlekelwa kokufakwa, i-ripple, igagasi elingaphakathi kwebhendi, isilinganiso segagasi elingaphakathi kwebhendi, ukulahlekelwa kokubuya, izinga lokucindezela ibhendi yokuma, ukubambezeleka kanye nomugqa wesigaba esingaphakathi kwebhendi, njll. La mapharamitha ndawonye anquma ukusebenza kanye nomphumela wesihlungi .
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