Video: Linear block code yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv coding txoj kev xav, a linear code yog ib qho yuam kev-kho code rau qhov twg kab tawm ua ke ntawm codewords kuj yog codeword. Codewords nyob rau hauv a linear thaiv code yog thaiv ntawm cov cim uas tau encoded siv cov cim ntau dua li tus nqi qub xa mus.
Tib neeg kuj nug, dab tsi yog cov khoom ntawm linear block code?
2. LINEAR BLOCK CODEIn ib (n, k) linear thaiv code : 1 feem ntawm k cov khoom ib txwm zoo ib yam rau cov lus sib lawv liag kom xa mus. 2nd feem ntawm (n-k) cov khoom raug xam los ntawm cov lus me me raws li txoj cai encoding thiab hu ua parity bits.
cyclic codes txawv ntawm linear block codes li cas? Piav: Lub cyclic codes yog ib tug subclass ntawm linear codes . Nws yog tsim los siv cov lus qhia hloov pauv cov npe. Piav: A cyclic code tuaj yeem tsim siv lub tshuab hluav taws xob polynomial thiab thaiv cov lej tuaj yeem tsim siv lub tshuab hluav taws xob matrix.
Cov lus nug tseem yog, koj ua pov thawj li cas linear code?
A linear code feem ntau txhais tau tias yog subspace ntawm Fn rau qee qhov F (vim koj tab tom tham txog cov khoom, koj tuaj yeem nqa F = F2 = {0, 1}). Cov code C generated los ntawm ib tug generating matrix G yog qhov ncua ntawm kab ntawm G. Qhov ncua sij hawm ntawm ib txheej vectors hauv Fn yog subspace ntawm Fn, yog li C yog a linear code.
Dab tsi yog txhais los ntawm linear code?
Hauv coding txoj kev xav, a linear code yog ib qho yuam kev-kho code rau qhov twg kab tawm ua ke ntawm codewords kuj yog codeword. Codewords nyob rau hauv a kab tawm thaiv code yog cov blocks ntawm cov cim uas tau encoded siv cov cim ntau dua li tus nqi qub xa mus.
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