babban

Ka'idar Eriya - Wayoyi

Eriya ta waya ɗaya ce daga cikin nau'ikan eriya na asali. An san su sosai kuma ana amfani da su sosai. Domin fahimtar eriya ta waya sosai, bari mu fara duba layin watsawa.

Layin Watsawa

Layin watsawa, ko waya, yana ɗaukar makamashin lantarki daga gefe ɗaya zuwa gefe ɗaya. Idan an haɗa ƙarshen layin watsawa biyu zuwa da'irori, ana iya watsa ko karɓar bayanai tsakanin da'irori biyu ta wannan wayar.

Idan aka bar ƙarshen waya a buɗe, makamashin lantarki zai yi ƙoƙarin fita. Wannan yana haifar da sadarwa mara waya. Idan ƙarshen wayar ya lanƙwasa, makamashin zai fita daga layin watsawa cikin inganci fiye da da. Wannan tserewa mai ma'ana ana kiransa radiation.

Ka'idar Eriya - Wayoyi

Domin samun ingantaccen hasken rana, dole ne a daidaita juriyar da ke ƙarshen buɗe layin watsawa da juriyar sararin samaniya. Yi la'akari da layin watsawa mai tsawon tsawon kwata ɗaya. Ƙarshen ƙarshensa a buɗe yake kuma a lanƙwasa, don haka yana nuna juriya mai girma. Wannan tsari yana samar da eriya mai rabin-wave dipole. Yayin da ƙarshen ciyarwar layin watsawa yana da ƙarancin juriya, babban juriyar da ke ƙarshen buɗewa ya dace da juriyar sararin samaniya, wanda ke haifar da ingantaccen aikin radiation.

Dipole

Idan aka kunna makamashi ta irin wannan waya mai lanƙwasa, ƙarshen layin watsawa ana kiransa da eriya ta dipole ko dipole.

Amsawar amsawar ...

Hoton da ke ƙasa yana taimakawa wajen bayyana wannan ra'ayi a sarari.

eriya dipole_half_wave_entenna

Hoton yana nuna zane-zanen da'ira na wani dipole mai sauƙi da aka haɗa da layin watsawa. A cikin eriya ta dipole, wutar lantarki tana da matsakaicin matsakaici a tsakiya kuma tana raguwa zuwa sifili a ƙarshen, yayin da wutar lantarki take da ƙarancin ƙarfi a tsakiya kuma tana ƙaruwa zuwa matsakaicin matsakaici a ƙarshen.

Nau'ikan eriya masu waya da aka fi sani sun haɗa da: eriya mai rabin-wave, eriya mai rabin-wave da aka naɗe, eriya mai cikakken-wave, eriya mai gajeren-wave, da eriya mai infinite-simal dipole. Duk waɗannan nau'ikan eriya za a tattauna su a babi masu zuwa.

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

 

Lokacin Saƙo: Mayu-29-2026

Sami Takardar Bayanan Samfura