Cov txheej txheem:
- Lub hom phiaj ntawm kev hloov pauv yog dab tsi?
- Yuav ua li cas teeb meem thaum AM dhau kev hloov kho?
- Dab tsi dhau thiab nyob rau hauv kev hloov kho?
- hom kev hloov pauv yog dab tsi?
Video: Kev hloov pauv ua haujlwm li cas?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Overmodulation yog qhov xwm txheej uas muaj yeej hauv kev sib txuas lus thaum lub sijhawm tam sim ntawm cov teeb liab modulating tshaj tus nqi tsim nyog los tsim 100% kev hloov pauv ntawm cov cab kuj… Overmodulation ua rau spurious emissions los ntawm tus cab kuj modulated, thiab distortion ntawm rov qab modulating teeb liab.
Lub hom phiaj ntawm kev hloov pauv yog dab tsi?
Qhov tshwm sim dhau-kev hloov pauv tau dav siv hauv peb-theem tshuab txhawm rau txhawm rau txuas cov zis hluav taws xob ntau los ntawm kev qhia peb qhov hluav taws xob sib haum xeeb hauv cov txheej txheem hloov kho. tib lub sij hawm qhov loj thiab kev ua tau zoo tuaj yeem txhim kho.
Yuav ua li cas teeb meem thaum AM dhau kev hloov kho?
Yog hais tias dhau-modulation tshwm sim tus cab kuj raug txiav thiab qhov kev hloov kho tsis zoo li nws cov teeb liab modulating lawm Thaum tau txais qhov kawg lub teeb liab yuav distorted heev thiab nyeem tsis tau - tab sis qhov tseem ceeb tshaj, lub teeb liab dhau-modulated yuav muaj ntau bandwidth thiab yuav nplua nuj nyob rau hauv pliaj harmonics.
Dab tsi dhau thiab nyob rau hauv kev hloov kho?
Modulation Index
Nws hais txog qib ntawm kev hloov pauv uas tus neeg nqa khoom nthwv dej dhau mus. … Nws yog hu ua Under-modulation. Xws li nthwv dej yog hu ua ib qho tsis zoo-modulated yoj. Yog tias tus nqi ntawm qhov ntsuas ntsuas ntsuas ntau dua 1, piv txwv li, 1.5 lossis li ntawd, ces nthwv dej yuav dhau los ua yoj.
hom kev hloov pauv yog dab tsi?
Muaj peb hom Modulation:
- Amplitude Modulation.
- Frequency Modulation.
- Phase Modulation.
Pom zoo:
Dab tsi yog kev hloov pauv hloov pauv?
Kev hloov pauv hloov pauv yog hom tshwj xeeb ntawm kev sib raug zoo rau kev ua kom muaj kev hloov pauv. Charles Tilly txhais nws tias "kev sib raug zoo txhawb nqa kev sib tw tshwj xeeb rau kev tswj hwm lub xeev, lossis qee ntu ntawm nws.
Vim li cas kev hloov pauv hloov pauv rov qab kab kawg?
Thaum siv Aggregator hloov pauv, koj yuav tsum kuaj xyuas pab pawg raws li cov txiaj ntsig rov qab txhua kab los ntawm ua kev sib sau ua ke ib los ntawm ib qho thiab hla mus rau cov kav dej. Yog tias tsis muaj pawg los ntawm kev txheeb xyuas, kab kawg yuav raug ua tiav thiab nws yuav rov qab tsuas yog ib kab (kab kawg) vim nws tsis muaj lus txib kom sau cov ntaub ntawv .
Puas hloov pauv hloov pauv tuaj yeem hloov kho?
Nyob hauv ntau qhov kev sim, qhov sib txawv ntawm kev ywj pheej yog kev tsim kho uas tsuas yog tuaj yeem tswj tsis ncaj . Puas yog qhov sib txawv nyob ntawm qhov ntsuas lossis tswj tau? Ib qhov sib txawv yog qhov ntsuas lossis manipulated hauv kev sim.
Vim li cas yav tom ntej ntawm kev hloov pauv hloov pauv tsis zoo?
Teb cov lus teb raws li nram no: Kev hloov pauv kev cog qoob loo kuj hu ua slash thiab hlawv ua liaj ua teb. … Yav tom ntej ntawm kev hloov pauv kev cog qoob loo tsis zoo vim qhov no tau ua rau muaj kev cuam tshuam loj loj thiab ua rau cov av ntxiv lawm .
Puas muab kev pauv pauv hloov pauv tau?
Kev ua lag luam tuaj yeem yog thim rov qab los ntawm kev tso cai thim rov qab, los ntawm cov nyiaj rov qab, lossis los ntawm kev them rov qab. Lub caij no, cov tub lag luam tsuas tuaj yeem tiv thaiv kev thim rov qab los ntawm kev deflection lossis sawv cev.
