Vim li cas thiaj yog Pixel suab tus yuam sij hauv Mwir daws teeb meem, suab nrov, thiab phiaj xwm kev lees paub?

212 cov lus | Kawg hloov tshiab: 2025 - 12 - 09 | By Tus txha
Savgood   - author
Tus sau: TXUAG
Davgood tshwj xeeb nyob rau hauv ntev npaum li cas zag cov koob yees duab thiab thermal lub koob yees duab rau kev ruaj ntseg, kev soj ntsuam, thiab kev lag luam.
Why Is Pixel Pitch a Key Factor in MWIR Resolution, Noise, and Target Recognition?
Cov txheej txheem
    Pixel lub suab ncaj qha txhais li cas ib Mwir ntes khaws lub zog thiab daws cov ntsiab lus tseem ceeb, ua rau nws yog qhov tseem ceeb tshaj plaws hauv kev ua thermal. Ib lub pixel loj tuaj yeem ntes ntau qhov hluav taws xob hluav taws xob ntau ntxiv, muab lub suab muaj zog dua rau cov duab ruaj khov hauv cov duab hluav taws xob tsawg. Nyob rau hauv sib piv, me pixels tsis sib sau ua ke tsawg zog ib pixel, ua kom lub system tau rhiab ntau dua rau cov suab nrov ntau dua thiab xav tau cov teeb liab zoo.

    Pixel Suab tseem txiav txim siab qhov kev daws teeb meem spatial. Rau tib lub sensor loj, me dua pixels tso cai ntau cov ntsiab lus tshaj cov ntsiab lus thoob plaws daim duab, ua kom cov ntsiab lus zoo tshaj plaws thiab txhim kho lub hom phiaj kev lees paub. Qhov kev sib raug zoo no tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas paub cov hom phiaj me me lossis nyob deb yog nyob ntawm txhua qhov kev nce siab tshaj plaws.

    Optics muaj kev sib luag. Txhawm rau txiav txim siab qhov me me pitch, mwir lo ntsiab muag yuav tsum xa ntau dua MTF kev ua tau zoo, kho kom meej, thiab ruaj khov saib thoob plaws qhov kub. Yog tias Optics tsis tuaj yeem phim lub pixel loj, theoretical daws teeb meem zoo dua yog ploj.

    Hauv kev siv tiag tiag, Pixel Pitch cuam tshuam peb cov txiaj ntsig tseem ceeb: kev nthuav dav yuav daws tau (suab nrov), thiab yuav ua li cas kom ntseeg tau tias yog qhov system tuaj yeem ntes thiab cais lub hom phiaj ntawm kev deb. Qhov no yog vim li cas pixel suab tseem yog qhov kev txiav txim siab thawj zaug thaum ntsuas cov koob yees duab Mwir lub koob yees duab.

    Tso koj cov lus