Video: Ib qho piv txwv ntawm modulation yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Piv txwv ntawm modulate hauv kab lus
Vim nws tsis ua modulate nws lub suab, nws suab tib yam thaum nws zoo siab li thaum nws tu siab. Lub suab paj nruag hloov kho sai sai los ntawm nws qhov tseem ceeb thawj, hloov lub siab ntawm zaj nkauj.
Kuj nug, dab tsi yog modulation hauv cov lus yooj yim?
Modulation yog cov txheej txheem ntawm kev hloov cov ntaub ntawv mus rau hauv xov tooj cua nthwv dej los ntawm kev ntxiv cov ntaub ntawv rau lub teeb liab hluav taws xob lossis kho qhov muag. Modulation Feem ntau yog siv rau electromagnetic signals: xov tooj cua tsis, lasers / optics thiab computer networks.
Ib yam li ntawd, lub ntsiab lus ntawm lub suab hloov kho yog dab tsi? Modulation yog thaum koj tswj los yog kho ib yam dab tsi, zoo li thaum koj txo koj suab rau lub suab nrov nrov kom ua rau qhov koj tab tom hais ntau dua thiab tsis meej. Lub npe kev hloov kho muaj ob peb lub ntsiab lus , suav nrog kev hloov ntawm qhov tseem ceeb hauv suab paj nruag lossis lub suab ntawm tus neeg suab.
Ntawm no, dab tsi yog modulation thiab hom?
Muaj 3 qhov yooj yim hom ntawm kev hloov kho : Amplitude kev hloov kho , Ntau zaus kev hloov kho , thiab Phase kev hloov kho . a hom ntawm kev hloov kho qhov twg qhov zaus ntawm tus cab kuj teeb liab yog modulated (hloov) nyob rau hauv kev faib ua feem rau cov lus teeb liab thaum lub amplitude thiab theem nyob tas li.
Koj txhais li cas los ntawm modulation?
Hauv electronics thiab telecommunications, kev hloov kho yog cov txheej txheem ntawm kev sib txawv ntawm ib lossis ntau lub zog ntawm lub caij nyoog waveform, hu ua lub teeb liab nqa, nrog a modulating teeb liab uas feem ntau muaj cov ntaub ntawv xa mus. A modulator yog ib qho khoom siv ua haujlwm kev hloov kho.
Pom zoo:
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