Cov txheej txheem:
- Dab tsi yog qhov sib txawv ntawm qhov kev ntxub ntxaug ntau zaus?
- Digital frequency discriminator yog dab tsi?
- cov neeg ntxub ntxaug ua dab tsi?
- Dab tsi yog kev ntxub ntxaug hauv kev sib txuas lus?
![Dab tsi yog qhov kev ntxub ntxaug ntau zaus? Dab tsi yog qhov kev ntxub ntxaug ntau zaus?](https://i.boatexistence.com/preview/questions/18763758-what-is-frequency-discriminators-j.webp)
Video: Dab tsi yog qhov kev ntxub ntxaug ntau zaus?
![Video: Dab tsi yog qhov kev ntxub ntxaug ntau zaus? Video: Dab tsi yog qhov kev ntxub ntxaug ntau zaus?](https://i.ytimg.com/vi/NRkSQD6bbBo/hqdefault.jpg)
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Ib tus neeg sib txawv zaus txhais tau tias yog tus hloov pauv zaus hloov pauv mus rau qhov hloov pauv hloov pauv Cov neeg ntxub ntxaug yog siv ntau yam kev siv, ib qho yog qhov ncaj qha demodulation ntawm zaus modulated signals [1, 2] ib. Kev sib xyaw cov teeb liab dav dav mus rau qhov nruab nrab zaus nruab nrab zaus Hauv kev sib txuas lus thiab kev tsim hluav taws xob, qhov nruab nrab zaus (IF) yog ib zaus uas cov neeg nqa khoom nthwv dej hloov pauv raws li theem nrab hauv kev sib kis lossis txais tos… Thaum siv ob peb theem ntawm cov ntxaij lim dej, lawv tuaj yeem raug teeb tsa mus rau qhov zaus, uas ua rau lawv yooj yim rau kev tsim thiab kho. https://en.wikipedia.org › wiki › Intermediate_frequency
Intermediate zaus - Wikipedia
tuaj yeem ua haujlwm nyuaj.
Dab tsi yog qhov sib txawv ntawm qhov kev ntxub ntxaug ntau zaus?
Muaj ntau hom FM demodulators suav nrog:
- Slope Detector.
- Foster-Seeley Discriminator.
- Ratio Detector.
- Pulse-Averaging Discriminators.
- Quadrature Detectors.
- Phase-Locked Loops.
Digital frequency discriminator yog dab tsi?
Wide Band Systems 'Digital Frequency Discriminators ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv bandwidth, qhov tseeb, thiab kev daws teeb meem. Cov kev teeb tsa modular tso cai ntau zaus ntawm 0.5 GHz txog 18 GHz. …
cov neeg ntxub ntxaug ua dab tsi?
Lub hom phiaj ntawm tus neeg ntxub ntxaug yog txiav txim siab thaum lub tswv yim yog ib yam dab tsi uas koj txaus siab rau Nws ua qhov no los ntawm kev tso tawm lub logic mem tes thaum lub teeb liab tawm tswv yim ua tau raws li tus nqi pib kho.. Tag nrho cov kev ntxub ntxaug poob rau hauv ib qho ntawm ob pawg, cov thawj coj lossis cov feem tsis tu ncua.
Dab tsi yog kev ntxub ntxaug hauv kev sib txuas lus?
Ib tus neeg ntxub ntxaug yog tsim los ntawm heterodyning hauv lub ntsuas nrawm cov teb tau cuam tshuam los ntawm kab noj hniav, thiab theem-sensitively kuaj xyuas qhov sib tw zaus tawm tsam rf modulation qhov chaw.
Pom zoo:
Qhov twg yog qhov kev ntxub ntxaug ntawm kev sib npaug plaub npaug?
![Qhov twg yog qhov kev ntxub ntxaug ntawm kev sib npaug plaub npaug? Qhov twg yog qhov kev ntxub ntxaug ntawm kev sib npaug plaub npaug?](https://i.boatexistence.com/preview/questions/18687983-where-is-the-discriminant-of-a-quadratic-equation-j.webp)
Tus neeg ntxub ntxaug yog ib feem ntawm cov qauv quadratic hauv qab lub cim square hauv paus: b²-4ac. Tus neeg ntxub ntxaug qhia peb seb puas muaj ob txoj kev daws teeb meem, ib qho kev daws teeb meem, lossis tsis muaj kev daws teeb meem . Yuav ua li cas thiaj nrhiav tau kev ntxub ntxaug ntawm kev daws teeb meem?
Dab tsi yog kev ntxub ntxaug hauv kev sib npaug plaub npaug?
![Dab tsi yog kev ntxub ntxaug hauv kev sib npaug plaub npaug? Dab tsi yog kev ntxub ntxaug hauv kev sib npaug plaub npaug?](https://i.boatexistence.com/preview/questions/18687992-whats-a-discriminant-in-a-quadratic-equation-j.webp)
Tus neeg ntxub ntxaug yog ib feem ntawm cov qauv plaub fab hauv qab lub cim square hauv paus: b²-4ac. Tus neeg ntxub ntxaug qhia peb seb puas muaj ob txoj kev daws teeb meem, ib qho kev daws teeb meem, lossis tsis muaj kev daws teeb meem . Tus nqi sib cais txhais li cas?
Puas yog qhov txawv ntawm kev ntxub ntxaug thiab kev tsis sib haum?
![Puas yog qhov txawv ntawm kev ntxub ntxaug thiab kev tsis sib haum? Puas yog qhov txawv ntawm kev ntxub ntxaug thiab kev tsis sib haum?](https://i.boatexistence.com/preview/questions/18700713-is-the-difference-between-discrimination-and-disparity-j.webp)
Hauv kev suav, kev ntxub ntxaug yog ib qho kev coj ua lossis kev coj cwj pwm raws li kev ntseeg ua ntej txog cov xwm txheej tsis raug cai, qhov kev tsis sib xws tshwm sim "vim" ntawm kev cai lij choj. Kev ntxub ntxaug cuam tshuam txog kev sib txawv ntawm cov haiv neeg tsawg, qhov tsis sib xws tshwm sim vim kev sib txawv ntawm kev ua txhaum cai ntawm haiv neeg tsawg .
Dab tsi yog qhov kev ntxub ntxaug?
![Dab tsi yog qhov kev ntxub ntxaug? Dab tsi yog qhov kev ntxub ntxaug?](https://i.boatexistence.com/preview/questions/18712709-what-is-top-hatting-j.webp)
Top hatting is the xyaum ua kom muaj croupier qhov chaw chips ntawm tus lej yeej (lossis tus yeej thawj koom ruam) tom qab qhov tshwm sim ntawm kev sib tw twb paub lawm Qhov no txhais tau tias yuav tsum muaj ua ib qho kev npaj ua ntej ntawm tus neeg ua si thiab nws tus phooj ywg txhawm rau txhawm rau ua kom qhov no tshwm sim .
Qhov kev paub txog kev ntxub ntxaug los ntawm qhov twg?
![Qhov kev paub txog kev ntxub ntxaug los ntawm qhov twg? Qhov kev paub txog kev ntxub ntxaug los ntawm qhov twg?](https://i.boatexistence.com/preview/questions/18770802-where-does-familiarity-breeds-contempt-come-from-j.webp)
Qhov kev paub txog kev sib raug zoo yog kev thuam yog thawj zaug siv lus Askiv hauv 1300s los ntawm Geoffrey Chaucer, hauv nws txoj haujlwm, Zaj Dab Neeg ntawm Melibee . Kev paub puas tsim kev tsim txom? Kev sib paub yog siv tshwj xeeb tshaj yog nyob rau hauv kev qhia paub txog kev sib cav hais tias yog tias koj paub ib tus neeg lossis qhov xwm txheej zoo, koj tuaj yeem yooj yim plam tus neeg ntawdlossis ua tsis saib xyuas hauv qhov xwm txheej ntawd.