Da yawa iri image na'urori masu auna sigina akwai

na'urori masu auna firikwensin hoto sune mabuɗin a cikin canjin canjin dijital. waɗannan na'urori suna kama bayanan gani kuma suna canza su zuwa lambobi. an ƙirƙiri nau'ikan daban-daban na waɗannan na'urori masu auna firikwensin yayin da fasaha ke ci gaba don biyan buƙatu daban-daban kamar na wayoyin komai

i. gabatarwa

damai ɗaukar hotoana amfani dashi don canza hoton gani zuwa siginar lantarki don amfani a wasu na'urori waɗanda ke rikodin hotuna kamar kyamarar dijital. takamaiman buƙatun da aikace-aikace suka sanya kamar babban ƙuduri, ƙimar ƙwarewa, saurin aiki, da abubuwan farashi suna ba da shawarar wane nau'in firikwensin hoto ya kamata

ii.nau'in na'urorin daukar hoto

masu amfani da na'urar da aka haɗa da caji (ccd) na hoto

An fara haɓaka sama da shekaru 50 da suka gabata a cikin shekarun 1960, masu amfani da CCD sun sami amfani sosai a cikin daukar hoto na ƙwararru da aikace-aikacen masana'antu.

suna da ƙananan amo, babban ƙarfin aiki, da kuma manyan ƙuduri wanda zai ba da damar samun hotuna masu kyau.

idan aka kwatanta da sauran fasahar ɗaukar hoto, masu saurin CCD suna da tsada kuma suna cinye wutar lantarki fiye da takwarorinsu.

ana iya samun su a cikin manyan kyamarorin DSLR, kayan aikin kimiyya, ko kayan aikin daukar hoto na likita da sauran abubuwa.

mai ɗaukar hoto na ƙarfe-oxide-semiconductor (cmos) mai haɓaka

Cmos-type shine sanannen fasahar firikwensin hoto wanda za'a iya samunsa ko'ina daga wayoyin komai da ruwanka har zuwa kyamarorin da talakawa ke amfani dasu.

wadannan sun fi rahusa fiye da irin ccd saboda mafi girman matakan hadewa da aka bayar amma a cikin kasafin kudin wutar lantarki idan aka kwatanta da su.

a lokuta da dama, CMOS photodiodes yanzu kusanci matakin yi cimma da su CCD takwarorinsu haka inganta overall ingancin images kama da CMOS tushen na'urori masu auna sigina.

kayayyakin lantarki masu amfani da kayan lantarki suna amfani da na'urori masu auna sigina na CMO a cikin yawa yayin da wasu amfani da yawa na iya haɗawa da shigar da masana'antar kera motoci, kyamarorin tsaro, ko tsarin hangen nesa na inji tsakanin wasu.

wasu nau'ikan na'urorin firikwensin hoto

Baya ga CCD da CMOS, akwai wasu na'urori masu auna hoto na musamman.

Misali, ana iya amfani da na'urorin firikwensin infrared a cikin tsarin hangen nesa na dare da kyamarorin thermal.

kayan aiki wanda ke sauƙaƙe ɗaukar hotunan jikin X-ray yana amfani da na'urorin firikwensin hoto na X-ray.

Ƙarshe

a takaice, ccd da cmos sune manyan nau'ikan firikwensin hoto guda biyu. ccd yana samar da hotuna masu inganci amma ya fi tsada kuma yana cinye wutar lantarki yayin da cmos ya fi arha, yana da babban matakin hadewa da kuma karancin amfani da wutar lantarki. sauran nau'ikan firikwensin hoto kamar su infrared