kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
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degad diskze miiReba 10 erTnairi, mimdevrobiT gan-<br />
Tavsebuli monakveTi. warmovidginoT, rom moxda mcire<br />
darRveva makodirebeli mowyobilobis sinqronizaciis<br />
sqemaSi. sataqto signalebis sixSiris mcired<br />
gazrdam SeiZleba gamoiwvios makodirebeli mowyobilobis<br />
mier grZeli, cvlilebis zonebis armqone 10ujrediani<br />
velis monacemTa 9 ujrad warmodgena da<br />
piriqiT, sinqronizaciis sixSiris Semcirebis Sedegad<br />
makodirebelma mowyobilobam 10-ujrediani veli<br />
SeiZleba waikiTxos, rogorc 11-Tanriga monacemi.<br />
matareblebze monacemTa Cawerisas agreTve unda<br />
gaTvaliswindes erTi sapirispiro faqtori: Tavakebis<br />
da damgroveblebis damzadebis teqnologiuri<br />
SesaZleblobebi zRudaven diskze cvlilebis velebis<br />
raodenobas.<br />
amitom damgroveblebSi sinqronizaciis meore<br />
meTodi gamoiyeneba. igi kodirebis specialuri sistemebis<br />
gamoyenebiT realizdeba.<br />
kodirebis sitemebi rogorc grZeli erTgvarovani<br />
velebis Tavidan acilebis, aseve cvlilebis velebis<br />
optimaluri raodenobis miRebis saSualebas<br />
iZleva.<br />
sixSiruli modulacia (FM)<br />
kodirebis FM (Frequency Modulation) meTodi gamoiyeneboda<br />
1970-ian wlebSi, 80 kbaitian drekad diskebSi<br />
da bevr sxva mowyobilobaSic. amJamad FM modulacia<br />
aRar gamoiyeneba.<br />
51<br />
modificirebuli sixSiruli modulacia (MFM)<br />
cxrilSi 2.1 warmodgenilia monacemTa bitebsa<br />
da niSnis cvlilebis velebs Soris Sesabamisoba<br />
MFM modulaciis dros.<br />
MFM (Modified Frequency Modulation _ modificirebuli<br />
sixSiruli modulacia) meTodi, FM meTod-<br />
Tan SedarebiT, niSnis cvlilebis zonebis raodenobis<br />
orjer Semcirebis da diskis sasargeblo moculobis<br />
orjer gazrdis SesaZleblobas iZleva.<br />
amitom MFM meTodiT Caweril diskebs zogjer diskebs<br />
ormagi simWidroviTac uwodeben.<br />
cxrili 2.1<br />
MFM kodireba<br />
monacemTa biti niSnis Secvlis zonebis<br />
Tanmimdevroba<br />
1 NT *<br />
0, wina TanrigSi 0 TN<br />
0, wina TanrigSi 1 NN<br />
T _ aris niSnis Secvla;<br />
N _ ar aris niSnis Secvla.<br />
kodirebis MFM meTodi amJamad 1,44 mbaitian<br />
drekad diskebSi gamoiyeneba.<br />
kodireba Caweris velis sigrZis SezRudviT (RLL)<br />
kodireba Caweris velis sigrZis SezRudviT<br />
(Run Length Limited - RLL) amJamad kodirebis yvelaze<br />
ufro popularuli meTodia. kodirebis RLL meTodi<br />
52
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