Video: Kev kho me ntsis yuam kev yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ib qho ib leeg - yuam kev kho Hamming code tuaj yeem txuas ntxiv kom ntseeg tau tias ob npaug me ntsis yuam kev los ntawm kev ntxiv ib qho ntxiv parity me ntsis tshaj tag nrho cov lus encoded. Ib qho ib leeg - me yuam kev yog nyob deb ntawm ib lo lus siv tau, thiab kho algorithm hloov cov lus tau txais mus rau qhov ze tshaj plaws siv tau.
Ntawm no, dab tsi yog ib qho yuam kev me ntsis?
Lub sij hawm ib leeg - me yuam kev txhais tau tias tsuas yog ib qho xwb me ntsis ntawm muab cov ntaub ntawv chav tsev (xws li ib byte, cim, los yog cov ntaub ntawv unit) yog hloov ntawm 1 mus rau 0 los yog los ntawm 0 mus rau 1. • tawg yuam kev Lub sij hawm tawg yuam kev txhais tau tias ob lossis ntau dua me ntsis nyob rau hauv cov ntaub ntawv unit tau hloov ntawm 0 mus rau 1 los yog vice-versa.
Dab tsi yog qhov txawv ntawm kev tshawb nrhiav qhov yuam kev thiab kev kho qhov yuam kev? Kev tshawb nrhiav yuam kev yog cov kuaj pom ntawm yuam kev tshwm sim los ntawm lub suab nrov los yog lwm yam kev puas tsuaj thaum lub sij hawm kis ntawm lub transmitter mus rau lub receiver. Kev kho yuam kev yog cov kuaj pom ntawm yuam kev thiab reconstruction ntawm tus thawj, yuam kev - cov ntaub ntawv dawb.
Tsis tas li ntawd, koj yuav txiav txim siab li cas ib qho yuam kev me ntsis?
Qhov yooj yim tshaj plaws txoj kev mus ntes a ib me ntsis yuam kev hauv 4- me ntsis code yog siv parity checking, nyob rau hauv cov ntaub ntawv uas ib tug ntxiv me ntsis yuav tsum tau ntxiv (parity me ntsis ).
Cov txheej txheem kho qhov yuam kev yog dab tsi?
Kev kho yuam kev tuaj yeem ua ob txoj hauv kev: Rov qab kev kho yuam kev : Ib zaug ntawm yuam kev nrhiav pom, tus txais tau thov tus neeg xa khoom rov xa cov ntaub ntawv tag nrho. Tom ntej kev kho yuam kev : Nyob rau hauv cov ntaub ntawv no, tus receiver siv lub yuam kev - kho code uas tau kho cov yuam kev.
Pom zoo:
Dab tsi yog qhov sib txawv loj ntawm kev txheeb xyuas qhov yuam kev thiab kev kho cov lej yuam kev?
Ob qhov kev tshawb nrhiav qhov yuam kev thiab kev kho qhov yuam kev yuav tsum muaj qee qhov ntawm cov ntaub ntawv rov qab xa mus nrog cov ntaub ntawv tiag tiag; kev kho yuav tsum muaj ntau tshaj li kev tshawb nrhiav. Parity bits yog ib txoj hauv kev yooj yim rau kev tshawb nrhiav qhov yuam kev. Ib qho parity me ntsis yog ib qho ntxiv me ntsis xa nrog cov ntaub ntawv uas tsuas yog 1-ntsis suav ntawm cov ntaub ntawv
Kuv tuaj yeem qhia tau li cas yog tias kuv Java yog 32 ntsis lossis 64 ntsis?
Mus rau qhov hais kom ua. Ntaus 'java-version' thiab nias nkag. Yog tias koj tab tom khiav Java64-ntsis cov zis yuav tsum suav nrog '64-ntsis'
Hamming yuam kev kho code yog dab tsi?
Hamming code yog txheej txheej ntawm kev ua yuam kev-kho cov lej uas tuaj yeem siv los txheeb xyuas thiab kho qhov yuam kev uas tuaj yeem tshwm sim thaum cov ntaub ntawv raug hloov lossis khaws cia los ntawm tus xa mus rau tus txais
Vim li cas kev cob qhia yuam kev tsawg dua qhov kev xeem yuam kev?
Kev cob qhia yuam kev feem ntau yuav tsawg dua qhov kev xeem yuam kev vim tias tib cov ntaub ntawv siv los ua kom haum tus qauv yog ua haujlwm los ntsuas nws qhov kev kawm yuam kev. Ib feem ntawm qhov tsis sib xws ntawm qhov kev cob qhia yuam kev thiab qhov kev xeem yuam kev yog vim tias cov txheej txheem kev cob qhia thiab cov ntawv xeem muaj qhov sib txawv ntawm cov khoom siv
Dab tsi yog kev saib xyuas kev kho mob thiab kev kho kom zoo dua qub?
Kev piav qhia ntxaws ntxaws yog qhov txheej txheem nco uas suav nrog kev xav txog lub ntsiab lus ntawm lub ntsiab lus uas yuav tsum nco ntsoov, sib piv nrog cov txheej txheem ntawm kev rov hais dua cov lus rau tus kheej ntau dua. Kev saib xyuas kev kho mob yog cov txheej txheem ntawm kev rov xav txog lossis hais lus ib yam ntawm cov ntaub ntawv