zurfin fassarar jitter
Idan an ƙara adadin bayanan tsarin, girman jitter da aka auna a cikin ƴan daƙiƙa kaɗan zai kasance kusan iri ɗaya, amma idan aka auna shi a cikin ɗan ɗan lokaci na lokacin bit, zai ƙaru daidai da ƙimar bayanan, wanda zai haifar da bit. kurakurai. Sabili da haka, ya kamata a rage jitter mai alaƙa kamar yadda zai yiwu a cikin tsarin don inganta aikin tsarin gaba ɗaya.
Jitter yana kwatanta jujjuyawar sigina a kwance, wato, karkacewar sigina na ɗan gajeren lokaci daga madaidaicin lokacin sa a wani lokaci.
1. Tafsirin wuraren mahadar
Matsakaicin siginar siginar gabaɗaya shine 50%, wanda ke nufin siginar "1" da "0" kowane lissafin rabin matakin. Don auna ma'aunin daidaitawa, yi amfani da hanyar ƙididdiga da aka nuna a cikin adadi. Matsayin giciye shine matsakaicin ƙididdiga bisa ga tsakiyar taga na ƙididdiga na tsaye na ma'aunin giciye, kuma gwargwadon girmansa kamar haka (inda matakin 1 da 0 shine matsakaicin ƙimar 20% a tsakiyar taswirar ido. wato canjin daga 40% zuwa 60%
2.Tasiri
Ikon sigina 1 ko 0 don watsa taro ya bambanta da adadin wuraren tsallaka. Kamar yadda aka nuna a cikin adadi, adadi a hagu shine taswirar ido tare da ma'auni daban-daban na giciye, daidai da daidaitattun siginar bugun jini na 1 da 0 a dama. A lokaci guda kuma, zamu iya fahimtar alakar da ke tsakanin faɗin lokacin siginar bugun jini daban-daban da ma'aunin giciye na jadawali.
3.Takaitacce
Don sigina na gabaɗaya, matsakaicin matakan sigina da aka rarraba 1 da 0 sun fi kowa. Ana buƙatar gabaɗaya cewa rabon giciye-hoton ido shine 50%, wato, ana amfani da sigina iri ɗaya tsawon bugun bugun jini na 1 da 0 azaman ma'auni don tabbatar da sigogi masu dacewa. Sabili da haka, ƙididdigar asarar girman dangi da aka haifar ta hanyar karkatar da matakan sigina daban-daban na 1 da 0 za a iya auna su yadda ya kamata bisa ga rarraba dangantakar rabon ido. Misali, idan rabon giciyen ido ya yi girma, wato, ana watsa siginonin matakin 1 da yawa, za a tabbatar da kuskuren siginar, garkuwa da iyakokinta bisa ga wannan alakar giciye. Matsakaicin giciyen ido ya yi ƙanƙanta, wato watsa siginonin matakin 0 da yawa, gabaɗaya mai sauƙin haifar da siginar mai karɓa ba shi da sauƙin cire mitar daga gare ta, yana haifar da gazawar aiki tare, yana haifar da asarar aiki tare. Yana daidai da raƙuman murabba'in, yana haifar da rashin daidaituwa ta mitar, kuma ƙasa da 50% na ma'aunin raƙuman murabba'in.
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