Ib daim duab yog tsim vim lub teeb tawm ntawm ib qho khoom mus rau ntau qhov kev qhia. Qee lub teeb no (uas peb sawv cev los ntawm rays) mus txog daim iav thiab qhia tawm ntawm daim iav raws li txoj cai ntawm kev xav. … Lub hauv paus ntsiab lus ntawm kev tsim cov duab no feem ntau siv hauv Physics lab.
Cov duab digital tsim li cas?
Cov duab digital tuaj yeem tsim siv lub koob yees duab hluav taws xob, scanner, lossis lwm yam khoom siv duab. Cov duab digital tsim los ntawm lub tshuab luam ntawv yuav tau tshwm sim hauv phau ntawv xov xwm, phau ntawv, cov ntaub ntawv, phau ntawv, lossis lwm yam khoom siv. Txhua tus qauv duab digital nkag mus rau hauv lub computer ua kab sib chaws ntawm cov dots lossis pixels.
Pixel ua li cas?
Pixel, luv luv rau daim duab keeb, yog chav tsev me tshaj plaws hauv cov duab kos duab lossis cov duab digital. Cov duab hauv computer yog tsim los ntawm kab sib chaws ntawm pixels. Txhua pixel yog ua los ntawm liab, xiav, thiab ntsuab teeb pom kev zoo uas yog siv nyob rau hauv sib txawv ua ke thiab siv los ua lab ntawm cov xim sib txawv.
Daim duab khaws cia hauv lub computer li cas?
Duab khaws cia rau hauv daim ntawv ntawm matrix ntawm tus lej hauv lub khoos phis tawj uas cov lej no hu ua pixel tus nqi. Cov pixel qhov tseem ceeb no sawv cev qhov kev siv ntawm txhua pixel. 0 sawv cev rau xim dub thiab 255 sawv cev dawb.
Cov duab ua los ntawm dab tsi?
Raster dluab muaj qhov kawg ntawm cov txiaj ntsig digital, hu ua cov ntsiab lus lossis pixels. Cov duab digital muaj tus lej tas likab thiab kab ntawm pixels. Pixels yog cov khoom me tshaj plaws hauv cov duab, tuav cov txiaj ntsig qub uas sawv cev qhov ci ntsa iab ntawm ib qho xim ntawm txhua qhov tshwj xeeb.
