Uyini umsebenzi wesihlungi se-antenna yemoto
I-Youdaoplaceholder0 Umsebenzi oyinhloko wesihlungi se-antenna yemoto ukucindezela ukuphazamiseka kukazibuthe kagesi, ukuthuthukisa ikhwalithi yokuxhumana kanye nesilinganiso sesignali-kuya-nomsindo. Isihlungi sithuthukisa ukumelana nokuphazamiseka kwesignali kanye nesilinganiso somsindo wesignali ngokuhlunga izingxenye zefrikhwensi ezingafunwa, ngaleyo ndlela siqinisekise ukuzinza nokuthembeka kwezinhlelo zokuxhumana.
Umsebenzi othize
I-Youdaoplaceholder0 Cindezela ukuphazamiseka kwe-electromagnetic : Isihlungi se-antenna yezimoto singahlunga ngempumelelo ukuphazamiseka kukazibuthe, ikakhulukazi amasiginali wokuphazamiseka wemvamisa ephezulu, ukuwavimba ukuthi angangeni kugridi yamandla futhi angcolise imvelo kazibuthe. Lokhu kusiza ukugcina okokusebenza kwezokuxhumana kusebenza kahle futhi kugweme ukuphazamiseka kokuxhumana noma iphutha ledatha elibangelwa ukuphazamiseka kozibuthe kagesi.
I-Youdaoplaceholder0 Thuthukisa ikhwalithi yokuxhumana : Ngokuhlunga amasiginali wokuphazamiseka wemvamisa ephezulu, isihlungi singathuthukisa isilinganiso sesignali-kumsindo somamukeli, siqinisekise amasignali okuxhumana acacile futhi azinzile. Lokhu kubaluleke kakhulu ezintweni zokuxhumana ezigibele emotweni, ikakhulukazi ezindaweni ezinomsindo omkhulu, ezinganciphisa ngempumelelo izinga lomsindo wangemuva futhi zithuthukise ikhwalithi yokuxhumana.
Ukuthuthukiswa Kwesiginali ye-Youdaoplaceholder0 : Izihlungi ziphinde zisize ekuthuthukiseni ukudluliswa kwamasignali awusizo, ukuqinisekisa ukwamukela kwesignali ezinzile futhi enembe kumadivayisi afana namasistimu okuzulazula namarediyo. Lokhu KUBALULEKILE ekusebenzeni okujwayelekile kohlelo lokuzulazula kwezimoto kanye ne-RADIO.
Umklamo kanye nesimiso sokusebenza
Izihlungi ze-antenna zezimoto ngokuvamile zakhiwa ama-capacitor, ama-inductors nama-resistors. Ngokusebenzisa isici sazo sokudlula amaza aphezulu kanye nokuvimbela amaza aphansi, aqondisa amaza okuphazamisa amaza aphezulu emhlabathini noma ocingweni olumaphakathi, ngaleyo ndlela abonise noma amunce amasignali okuphazamisa. Ngaphezu kwalokho, isihlungi singaqhubeka nokucindezela ukuphazamiseka kukazibuthe ngokusebenzisa izindlela zobuchwepheshe ezinjengokuhlunga kwezigaba eziningi kanye nesekhethi yesinxephezelo yesixhumanisi esiholayo.
I-Youdaoplaceholder0 Isihlungi se-antenna yezimoto iyisisetshenziswa esisetshenziswa ezinhlelweni ze-antenna zezimoto, umsebenzi wazo oyinhloko uwukuhlunga amasignali angafuneki ukuze kuqinisekiswe ukuthi uthi lungathola kuphela amasignali afunekayo. Izihlungi zithuthukisa ikhwalithi yesiginali eyamukelwe kanye nokuzinza kwesistimu ngokuvumela ngokukhetha amaza athile esiginali ukuthi adlule kuyilapho kucindezela amanye amaza.
Izinhlobo nemisebenzi yezihlungi ze-antenna zezimoto
I-Youdaoplaceholder0 Isihlungi se-Low-pass : Ivumela amasignali angaphansi kwefrikhwensi ethile yokunqamula ukuthi idlule futhi ivimbe amasignali ngaphezu kwaleyo frikhwensi.
I-Youdaoplaceholder0 Isihlungi se-High-pass : Ivimba amasignali ngaphansi kwefrikhwensi ethile yokunqanyulwa futhi ivumele amasignali angaphezu kwaleyo frikhwensi ukuthi adlule.
I-Youdaoplaceholder0 Isihlungi se-Band-pass : Ivumela amasignali ebhendi ethile ukuthi idlule futhi ivimbe amasignali amanye amabhendi.
Isihlungi se-Youdaoplaceholder0 band-stop : Ivimba amasiginali asuka kubhendi eyodwa futhi ivumela amasiginali asuka kwamanye amabhendi ukuthi adlule.
Izimo zohlelo lokusebenza kanye nokubaluleka kwezihlungi ze-antenna zezimoto
Izihlungi ze-antenna zezimoto zisetshenziswa kakhulu ezinhlelweni ezahlukene ze-elekthronikhi, ikakhulukazi kuma-antenna ezimoto zikashaka. Lo mklamo awugcini nje ngokujabulisa ubuhle kodwa futhi unciphisa ngempumelelo ukumelana nomoya. Ngaleso sikhathi, isihlungi esakhelwe ngaphakathi singakwazi ukuhlunga ukuphazamiseka okungadingekile kwe-electromagnetic, siqinisekise ukusebenza okuzinzile kwemishini yokuxhumana. Isibonelo, izihlungi zibaluleke kakhulu ezingxenyeni ezibalulekile ezifana nokulawula injini namasistimu okubhuleka ukuze kuqinisekiswe ukuthi lezi zinhlelo zithembeke kakhulu futhi zithuthukisa ukuphepha kokushayela .
Umgomo wokuklama kanye nemingcele yobuchwepheshe yezihlungi ze-antenna zezimoto
Umgomo wokuklama wezihlungi ze-antenna zezimoto usekelwe kumbono kagesi kanye nomklamo wesekethe, futhi ngokuvamile wakhiwa ama-capacitor, ama-inductors nama-resistors. Imingcele yayo yobuchwepheshe eyinhloko ihlanganisa imvamisa emaphakathi, imvamisa yokunqanyulwa, umkhawulokudonsa wokudlula, ukulahlekelwa kokufaka, i-ripple, i-in-band wave, in-band standing wave ratio, return loss, i-stopband suppression degree, ukubambezeleka kanye ne-in-band phase linearity, njll. Le mingcele ngokuhlangene inquma ukusebenza nomthelela wesihlungi .
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