babba

Menene mafi kyawun riba na eriya

  • Menene ribar eriya?

Eriyariba yana nufin rabon ƙarfin ƙarfin siginar da ainihin eriya ta haifar da kuma madaidaicin radiyo a wuri ɗaya a sararin samaniya ƙarƙashin yanayin daidaitaccen ƙarfin shigarwa. Yana bayyana ƙididdigewa gwargwadon matakin da eriya ke haskaka ƙarfin shigarwar a cikin tsari mai mahimmanci. Riba a bayyane yake yana da alaƙa da tsarin eriya. Matsakaicin babban lobe na ƙirar da ƙarami na gefen gefe, mafi girman riba. Ana amfani da ribar eriya don auna ikon eriya don aikawa da karɓar sigina a wata takamaiman hanya. Yana ɗaya daga cikin mahimman sigogi don zaɓar eriya ta tashar tushe.
Gabaɗaya magana, haɓakar riba ya dogara ne akan rage nisan katako na radiation a tsaye yayin da ake ci gaba da aikin radiation na ko'ina a cikin jirgin kwance. Samun eriya yana da matuƙar mahimmanci ga ingancin aiki na tsarin sadarwar wayar hannu saboda yana ƙayyade matakin sigina a gefen tantanin halitta. Ƙara riba na iya ƙara ɗaukar hoto na hanyar sadarwa a wata hanya, ko ƙara yawan riba a cikin wani kewayo. Duk wani tsarin salula tsari ne na hanyoyi biyu. Haɓaka ribar eriya na iya rage ribar kasafin kuɗi na tsarin ta hanyoyi biyu lokaci guda. Bugu da kari, sigogin da ke wakiltar ribawar eriya sune dBd da dBi. dBi shine riba dangane da eriyar tushen ma'ana, kuma radiation a duk kwatance daidai ne; dBd yana da alaƙa da ribar eriya mai ma'ana dBi=dBd+2.15. A karkashin yanayi guda, mafi girman riba, tsayin nisa da igiyoyin rediyo zasu iya yadawa.

Antenna riba zane

Lokacin zabar ribar eriya, yakamata a ƙayyade shi dangane da buƙatun takamaiman aikace-aikacen.

  • Sadarwar gajeriyar nisa: Idan nisan sadarwar yana da ɗan gajeren gajere kuma babu cikas da yawa, ƙila ba za a buƙaci ribar eriya mai girma ba. A wannan yanayin, ƙananan riba (kamar0-10dB) za a iya zaba.

RM-BDHA0308-8 (0.3-0.8GHz, 8 Typ.dBi)

Sadarwar tsaka-tsaki: Don sadarwar matsakaiciyar nisa, ana iya buƙatar samun matsakaicin ribar eriya don rama ƙarancin siginar Q da ta haifar da nisan watsawa, yayin da kuma yin la'akari da cikas a cikin muhalli. A wannan yanayin, ana iya saita ribar eriya tsakanin10 da 20 dB.

RM-SGHA28-15(26.5-40 GHz ,15 Type. dBi)

Sadarwa mai nisa: Don yanayin sadarwar da ke buƙatar ɗaukar dogon nisa ko samun ƙarin cikas, ana iya buƙatar ribar eriya mafi girma don samar da isasshen ƙarfin sigina don shawo kan ƙalubalen nisan watsawa da cikas. A wannan yanayin, ana iya saita ribar eriya tsakanin 20 da 30 dB.

RM-SGHA2.2-25(325-500GHz, 25 Type. dBi)

Mahalli mai girma: Idan akwai tsangwama da hayaniya da yawa a cikin yanayin sadarwa, eriya masu riba mai yawa na iya taimakawa haɓaka ƙimar sigina zuwa amo don haka inganta ingancin sadarwa.

Ya kamata a lura cewa haɓakar eriya na iya kasancewa tare da sadaukarwa ta wasu fannoni, kamar kai tsaye eriya, ɗaukar hoto, farashi, da sauransu. Don haka, lokacin zabar ribar eriya, ya zama dole a yi la'akari da dalilai daban-daban kuma yanke shawarar da ta dace dangane da takamaiman takamaiman. halin da ake ciki. Mafi kyawun al'ada shine gudanar da gwaje-gwajen filin ko amfani da software na simulation don kimanta aikin a ƙarƙashin ƙimar riba daban-daban don nemo madaidaicin tsarin fa'idar halitta.

Don ƙarin koyo game da eriya, da fatan za a ziyarci:


Lokacin aikawa: Nuwamba-14-2024

Sami Takardar Bayanan Samfura