Cov txheej txheem:
- Vim li cas thiaj siv lub npe?
- Yuav ua li cas yog aliasing piv txwv?
- siv cov lim tshuaj tiv thaiv kab mob nyob qhov twg?
- Yuav ua li cas aliasing?
Video: Aliasing siv qhov twg?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Aliasing yog ib lo lus uas feem ntau siv hauv thaj chaw ntawm cov teeb liab ua tiav. Thaum lub teeb liab analog yog digitized, ib feem ntawm lub teeb liab uas siab tshaj ib nrab ntawm cov qauv los yog digitizing zaus yuav yog 'aliased.
Vim li cas thiaj siv lub npe?
Qee lub sij hawm aliasing yog siv intentionally on signals uas tsis muaj cov ntsiab lus tsawg zaus, hu ua bandpass signals. Undersampling, uas tsim tsawg-frequency aliases, tuaj yeem tsim cov txiaj ntsig zoo ib yam, nrog kev siv zog tsawg dua, raws li qhov zaus-hloov lub teeb liab kom qis zaus ua ntej ua piv txwv ntawm tus nqi qis dua.
Yuav ua li cas yog aliasing piv txwv?
Aliasing: Aliasing yog hais txog qhov xwm txheej uas tib qhov chaw nco tuaj yeem nkag tau siv cov npe sib txawvPiv txwv li, yog tias ib txoj haujlwm siv ob lub pointers A thiab B uas muaj nqi ib yam, ces lub npe A[0] aliases lub npe B[0] i.e., peb hais tus pointers A thiab B alias ib leeg.
siv cov lim tshuaj tiv thaiv kab mob nyob qhov twg?
Cov lim dej tiv thaiv tsis zoo yog siv ntawm cov tswv yim ntawm analog-rau-digital converterCov ntxaij lim dej zoo sib xws yog siv los ua cov lim dej rov qab los ntawm cov khoom siv digital-rau-analog converter. Nyob rau hauv rooj plaub tom kawg, lub lim tiv thaiv kev yees duab, cov txheej txheem rov qab ntawm aliasing qhov twg hauv-band zaus yog mirrored tawm ntawm band.
Yuav ua li cas aliasing?
Thaum twg aliasing tshwm sim? Kev piav qhia: Aliasing ua rau cov cim sib txawv los ua qhov tsis txawv txav thaum kuaj. Nws tshwm sim thaum tus nqi piv txwv tsawg dua tus nqi Nyquist.
Pom zoo:
Qhov twg yog cov khoom siv nquag siv?
Tims yog siv rau hauv lub peev xwm ornamental txhawm rau txhim kho qhov zoo li lossis kev ua haujlwm ntawm lub tsoos tsho. Kho kom zoo nkauj trims zoo li embroideries, tshuaj ntsuam luam ntawv, appliqués, thiab lwm yam. Ua kom pom kev pom ntawm cov tsoos tsho thaum ua haujlwm zoo li cov nyees khawm, ntawv lo, ntug tiav, thiab lwm yam .
Dab tsi yog qhov txawv ntawm qhov tsis siv neeg thiab 6 ceev tsis siv neeg?
Ib txwm tsis siv neeg muaj qhov kawg ntawm lub zog uas raug xa mus rau qhov nrawm. Piv txwv li, tej zaum koj yuav tau hnov lo lus 6-ceev tsis siv neeg. Qhov no yog hais txog rau lub zog hauv kev sib kis. … Tsis zoo li cov kis tsis siv neeg zoo tib yam, tsav tsheb yuav tsis hnov qhov kev hloov ntawm ib lub iav mus rau lwm qhov Dab tsi yog qhov txawv ntawm 6-ceev tsis siv neeg thiab 10 ceev tsis siv neeg?
Qhov twg yog qhov mob thiab qhov twg yog qhov ceeb?
Panic (lub suab los ntawm Matt Frewer) yog lub ntsej muag ntsuab-xiav nrog lub cev ntev. Thaum nws yog me ntsis cunning dua Pain, nws paranoia txhais tau hais tias nws yog heev ceev faj thiab ntau cynical nyob rau hauv lub sij hawm, yog li nws tej zaum yuav ntse dua ib tug ntawm ob.
Qhov twg yog qhov siv rau qhov luam tawm lossis tsis tau tshaj tawm?
A citation yog ib qho ntaub ntawv siv rau ib qho kev luam tawm lossis tsis tau tshaj tawm qhov chaw uas koj tau sab laj thiab tau txais cov ntaub ntawv los ntawm thaum sau koj cov ntawv tshawb fawb . Yuav ua li cas hais txog qhov tsis tau tshaj tawm?
Qhov kev txiav txim siab siv tau siv qhov twg?
Kev txiav txim siab thiab kev txiav txim siab tuaj yeem ua tau zoo heev rau cov koom haum thiab tseem muaj txiaj ntsig rau cov tib neeg hauv ntau txoj haujlwm, suav nrog kev noj qab haus huv, kev kawm, kev pabcuam nyiaj txiag thiab kev lag luam .
