Video: Dab tsi yog qhov sawv cev digital?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
digital sawv cev . ['dij·?d·?l 'rep·r?,zen'tā·sh?n] (koom siv science) Kev siv cov kev xav tsis sib xws los yog ntau npaum li cas hauv cov qauv coded los sawv cev cov kev hloov pauv lossis lwm cov ntaub ntawv hauv cov lej lossis cov cim.
Ib yam li ntawd, dab tsi yog digital sawv cev computer?
DIGITAL REPRESENTATION • Hauv ib lub computer , cov ntaub ntawv yog sawv cev thiab khaws cia rau hauv a digital hom ntawv binary. • Lub sij hawm me ntsis yog ib qho luv luv ntawm tus lej binary thiab sawv cev rau cov ntaub ntawv tsawg tshaj plaws. • Tib neeg txhais cov lus thiab cov duab; khoos phis tawj txhais cov qauv ntawm cov khoom xwb.
Kuj Paub, dab tsi yog qhov zoo ntawm cov ntaub ntawv sawv cev? Cov ntaub ntawv digital muaj ob peb qhov zoo tshaj analog cov ntaub ntawv Qhov no yog vim li cas tus qauv yog hloov los ntawm analog rau cov ntaub ntawv digital.
Cov no suav nrog:
- Kev luam ntawv yooj yim dua / siab dua, luam cov ntaub ntawv analogue cov ntaub ntawv yuav tsum tau muab luam tawm los ntawm thav duab thiab lwm yam.
- Cov ntsiab lus saum toj no tseem ua rau kom muaj txiaj ntsig zoo ntawm cov ntaub ntawv digital dua li analogue.
Ib yam li ntawd, tib neeg nug, dab tsi yog tus sawv cev digital hu ua?
Digital cov ntaub ntawv, nyob rau hauv cov ntaub ntawv theory thiab cov ntaub ntawv systems, yog discrete, discontinuous sawv cev ntawm cov ntaub ntawv los yog ua haujlwm. Lub sij hawm feem ntau yog siv hauv kev suav thiab hluav taws xob, tshwj xeeb tshaj yog qhov twg cov ntaub ntawv hauv ntiaj teb tau hloov mus rau binary numeric daim ntawv xws li hauv digital audio thiab digital kev yees duab.
Dab tsi yog qhov txawv ntawm analog thiab digital sawv cev?
Digital signals yuav tsum muaj ib tug finite set ntawm muaj nuj nqis. Qhov ntawd yog qhov loj Qhov sib txawv ntawm analog thiab digital nthwv dej. Analog nthwv dej yog du thiab nruam, digital nthwv dej yog stepping, square, thiab discrete.
Pom zoo:
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