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Ka'idar Zaɓin Girman Jagoran Wave

Jagorar raƙuman ruwa (ko jagorar raƙuman ruwa) layin watsawa ne mai rami wanda aka yi da ingantaccen mai jagoranci. Kayan aiki ne don yaɗa kuzarin lantarki (galibi yana watsa raƙuman lantarki tare da raƙuman ruwa akan tsari na santimita). Kayan aiki na yau da kullun (galibi yana watsa raƙuman lantarki tare da raƙuman ruwa akan tsari na santimita).

Zaɓin girman jagorar raƙuman rectangular ya kamata ya yi la'akari da waɗannan abubuwan:

1. Matsalar bandwidth na jagorar waveguide
Domin tabbatar da cewa raƙuman lantarki a cikin wani yanki na mita da aka bayar na iya yaduwa a cikin yanayin TE10 guda ɗaya a cikin jagorar waveguide, ya kamata a yanke wasu hanyoyin masu girma, sannan b

2. Matsalar ƙarfin wutar lantarki ta jagorar raƙuman ruwa
Lokacin da ake yaɗa wutar lantarki da ake buƙata, jagoran raƙuman ruwa ba zai iya karyewa ba. Ƙara b daidai zai iya ƙara ƙarfin wutar lantarki, don haka b ya kamata ya zama babba gwargwadon iko.

Ka'idar Zaɓin Girman Jagoran Wave

3. Rage darajar jagoran raƙuman ruwa
Bayan microwave ya ratsa ta cikin na'urar auna wutar lantarki, ana fatan ba za a rasa wutar da yawa ba. Ƙara b zai iya sa rage ragewar ta ragu, don haka b ya kamata ya zama babba gwargwadon iko.
Idan aka yi la'akari da abubuwan da ke jan hankali, girman jagorar raƙuman murabba'i mai kusurwa huɗu galibi ana zaɓar shi kamar haka:

a=0.7λ, λ shine tsawon yankewar TE10
b=(0.4-0.5)a

An tsara yawancin jagororin raƙuman murabba'i masu kusurwa huɗu tare da rabon al'amari na a:b=2:1, wanda aka sani da jagororin raƙuman ruwa na yau da kullun, don haka za a iya cimma matsakaicin rabon bandwidth na 2:1, wato, rabon mafi girman mita zuwa mafi ƙarancin mitar yankewa shine 2:1. Domin inganta ƙarfin wutar lantarki, ana kiran jagorar raƙuman ruwa mai b>a/2 jagorar raƙuman ruwa mai girma; don rage girma da nauyi, jagorar raƙuman ruwa mai b

Matsakaicin rabon bandwidth da jagorar raƙuman ruwa mai zagaye zai iya yaɗuwa shine 1.3601:1, wato, rabon mafi girman mitar yanayi ɗaya zuwa mafi ƙarancin mitar yankewa shine 1.3601:1. Mitar aiki da aka ba da shawarar ga jagorar raƙuman ruwa mai kusurwa huɗu shine mita 30% sama da mitar yankewa da 5% ƙasa da mitar yankewa ta biyu mafi girma. Waɗannan ƙimar da aka ba da shawarar suna hana watsawa ta mita a ƙananan mitoci da aikin yanayin da yawa a manyan mitoci.

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Lokacin Saƙo: Yuni-12-2023

Sami Takardar Bayanan Samfura