- Iyini inzuzo ye-antenna?
I-Antennainzuzo ibhekisela esilinganisweni sokuminyana kwamandla esiginali ekhiqizwe i-antenna yangempela kanye neyunithi ekhanyayo efanelekile endaweni efanayo esikhaleni ngaphansi kwesimo samandla okufaka alinganayo. Ichaza ngokobuningi izinga okuthi uthingo olukhipha ngalo amandla okufaka ngendlela egxilile. Inzuzo ngokusobala ihlobene eduze nephethini ye-antenna. Ukuncipha kwe-lobe eyinhloko yephethini kanye ne-lobe eseceleni encane, inzuzo ephezulu. Ukuzuza kwe-antenna kusetshenziselwa ukukala ikhono le-antenna ukuthumela nokwamukela amasignali ngendlela ethile. Ingenye yemingcele ebaluleke kakhulu yokukhetha izimpondo zesiteshi.
Ngokuvamile, ukuthuthukiswa kwenzuzo kuncike kakhulu ekwehliseni ububanzi be-beam bemisebe eqondile ngenkathi kugcinwa ukusebenza kwemisebe ye-omnidirectional endizeni evundlile. Ukuzuza kwe-antenna kubaluleke kakhulu kwikhwalithi yokusebenza yezinhlelo zokuxhumana zeselula ngoba inquma izinga lesiginali emaphethelweni eseli. Ukwandisa inzuzo kungakhuphula ukumbozwa kwenethiwekhi endaweni ethile, noma kukhuphule umkhawulo wokuzuza ngaphakathi kwebanga elithile. Noma iyiphi isistimu yeselula iyinqubo yezindlela ezimbili. Ukwandisa inzuzo ye-antenna kunganciphisa ngasikhathi sinye umkhawulo wesabelomali sohlelo lwezindlela ezimbili. Ngaphezu kwalokho, amapharamitha amele inzuzo ye-antenna yi-dBd ne-dBi. I-dBi inzuzo ehlobene ne-antenna yomthombo wephoyinti, futhi imisebe kuzo zonke izinhlangothi iyafana; I-dBd ihlobene nokuzuzwa kwe-antenna yohlelo olulinganayo dBi=dBd+2.15. Ngaphansi kwezimo ezifanayo, ukwanda kwenzuzo, ibanga elingasakazwa amaza omsakazo libe lide.
Umdwebo wokuzuza kwe-antenna
Lapho ukhetha inzuzo ye-antenna, kufanele inqunywe ngokuya ngezidingo zohlelo lokusebenza oluthile.
- Ukuxhumana kwebanga elifushane: Uma ibanga lokuxhumana lilifishane uma kuqhathaniswa futhi zingekho izithiyo eziningi, inzuzo ephezulu ye-antenna ingase ingadingeki. Kulokhu, inzuzo ephansi (njenge0-10dB) ingakhethwa.
RM-BDHA0308-8(0.3-0.8GHz,8 Typ.dBi)
Ukuxhumana kwebanga elimaphakathi: Ekuxhumaneni kwebanga eliphakathi, ukuzuza kwe-antenna kungase kudingeke ukuze kunxeshezelwe ukuncishiswa kwesignali Q okubangelwa ibanga lokudlulisela, kuyilapho kubhekwa izithiyo endaweni. Kulokhu, inzuzo ye-antenna ingasethwa phakathi10 kanye no-20 dB.
RM-SGHA28-15(26.5-40 GHz ,15 Typ. dBi )
Ukuxhumana okude: Ngezimo zokuxhumana ezidinga ukumboza amabanga amade noma zibe nezithiyo ezengeziwe, ukuzuza okuphezulu kothi kungase kudingeke ukuze kuhlinzekwe amandla esignali anele ukuze kunqobe izinselele zebanga lokudlulisela nezithiyo. Kulokhu, inzuzo ye-antenna ingasethwa phakathi 20 kanye no-30 dB.
RM-SGHA2.2-25(325-500GHz,25 Typ. dBi)
Indawo enomsindo omkhulu:Uma kunokuphazanyiswa okuningi nomsindo endaweni yokuxhumana, izimpondo zenzuzo ephezulu zingasiza ukuthuthukisa isilinganiso sesignali-kumsindo futhi ngaleyo ndlela kuthuthukiswe ikhwalithi yokuxhumana.
Kufanele kuqashelwe ukuthi ukwanda kwenzuzo ye-antenna kungase kuhambisane nokuzidela kwezinye izici, njengokuqondisa kothi, ukumbozwa, izindleko, njll. Ngakho-ke, lapho ukhetha inzuzo ye-antenna, kubalulekile ukucabangela izici ezihlukahlukene futhi wenze izinqumo ezifanele ngokusekelwe kulokho isimo. Umkhuba ongcono kakhulu ukwenza izivivinyo zenkambu noma usebenzise isofthiwe yokulingisa ukuhlola ukusebenza ngaphansi kwamanani enzuzo ahlukene ukuze uthole ukulungiselelwa kwenzuzo yemvelo efaneleke kakhulu.
Ukuze ufunde kabanzi ngama-antenna, sicela uvakashele:
Isikhathi sokuthumela: Nov-14-2024
