UbuchwephesheElectronics

Vuselela rate - okuyinto engcono? Uyini imvamisa kwesikrini ukubeka

Phakathi izici ukhiye lobuchwepheshe lwekhompuyutha ekhombisa kanye nabaqaphi TV - uvuselele izinga. Kwezinye izimo, le ndlela uvunyelwe? Lapho ibizwa oyifunayo ngesandla ulungise? Kwezinye izimo, lolu hlobo inqubo akulungile?

Uyini imvamisa kwesikrini?

ikhompyutha qapha noma-TV isebenza isimiso ekulandelaneni ozimele. Lokho kuyinto efana nomshini wokudlala amabhayisikobho. Uzimele izinga lapho ekukhiqizweni movie - mayelana 25-30. Endabeni isikrini PC qapha noma i-TV, le nkomba kufanele kube ephakeme, ngakho indlela yokwakha isithombe eliyinkimbinkimbi kakhulu kunalelo ividiyo ifilimu. ojwayelekile - ayanda kwesifo rate, libukhali isithombe mnandi ngokwengeziwe ukubheka kwesikrini.

Imvamisa kanye nohlobo kwesikrini

Kunezinhlobo eziningana ukugcwaliseka zobuchwepheshe zesikrini kanye nabaqaphi. I eziphambili kakhulu - kuba LCD, LCD futhi LED. Kubhekwe CRT kuqhathaniswa ubudala. Imvamisa buyekeza sesikrini ngaleyo ndlela LCD ithelevishini noma zigade (ku ubuchwepheshe obufanayo) kunqunywa kokucabangela ezinye izimiso kunakulabanye namadivayisi lapho electron uvumelanise iqoqo projection. Endabeni isithombe LCD idwetshwa kokuphelele kwesikrini ngesikhathi esisodwa.

Uma kuziwa CRT-display - umugqa. Ngakho-ke, uma imvamisa Ukuvuselela kuyinto TV LCD futhi iyunithi electron ugongolo okufanayo, ikhwalithi kanye awokuthi kuzohluka kudivayisi Uhlobo lokuqala. Ngaphezu kwalokho, uma isibalo imayelana 60 Hz (inombolo isibonisi ngesekhondi), khona-ke esimweni we CRT-ngabaqaphi ukuba kulokolokoza obonakala khulu.

imvamisa ushintsho olukhulu ngezithunywa CRT-ekhombisa

Ngakho-ke, thina ukhokha ukubeka cathode ray ekhombisa ukunakekelwa okukhethekile. Indlela ukushintsha izinga refresh of the CRT-uhlobo isibonisi version-Windows ngesibonelo XP? elula kakhulu. Ngena ngemvume "Control Panel". Bese ukhethe "Isikrini." Vula iwindi ohambelana, kumelwe uthole ithebhu "Izilungiselelo". Okulandelayo - "Okuthuthukisiwe". Kukhona kungenzeka kube uhlu lokukhethwa kukho eziningana.

Yini izinga refresh setha? Ukuze CRT-ngabaqaphi ukubaluleka Kunconywa - 85 Hz. Uma lesi sibalo singekho ohlwini, bese-ke kungenzeka ngenxa yokuthi PC ayisethelwanga umshayeli ifektri isiqophi ikhadi. Kufanele kulayishiwe kusuka ku-inthanethi noma search ngemoto ukuthi anamekwe emakethe PC. Ungazama futhi ukuxhumana yesikhungo usizo nge umshayeli.

CRT-Ekhombisa: umehluko wemisindo nemiqondo yamagama

Phawula ukuthi cishe zonke izinhlelo zokusebenzisa, kungenzeka ukushintsha lokhu ipharamitha, ukuvama yokuvuselela esibukweni. Windows 7 njengoba lamadolobha esimanjemanje kakhulu futhi ebonakala ngaphandle kokudinga kokungenela okuphawulekayo kulungiselelwa umsebenzisi, hhayi ngaphandle. Kule-version of the OS kuyadingeka imingcele Tuning algorithm cishe okufanayo. Through the "Control Panel" kusethelwe elungile Ukuvuselela izinga. Yikuphi okungcono okusebenza aguqulelwe bembonisa izilungiselelo ezifanele? Cishe zonke izinguqulo Windows ukuze ubhekane ngokuphumelelayo nalesi umsebenzi ngokulinganayo. Nokho, ngokuqondene zakamuva kakhulu OS (okufanayo Windows 7), bangase babe nezinkinga ezithile nabashayeli amadivayisi amadala. Kodwa zingaxazululwa - njengoba umthetho, noma yiluphi uhlobo ezifanele software zingatholakala inthanethi.

Futhi, lapho besebenza Windows 7 ukukhululwa algorithm izilungiselelo kuhlukile kancane kusukela ngekuhlukanisa XP. Kufanele ube ku "Control Panel," bese uchofoza ku- "Bonisa" ke - ukukhetha ukushintsha imingcele yayo. Khona - "Izilungiselelo ezithuthukisiwe". Okulandelayo, iya ku "Qapha" ithebhu, lapho sithola izilungiselelo imvamisa.

Phawula futhi - at bembonisa Windows zonke izinguqulo nemingcele efanele akufanele ukususa umkhaza eduze kwento "Fihla izindlela ukuthi lokhu qapha akasebenzisi." Iqiniso lokuthi ubuchwepheshe isikrini Yiqiniso, ukukwazi ukusebenza izilungiselelo Kunconywa. Kodwa umkhuba, kungase udale inkinga ne ukuzinza PC. Ngakho-ke, uma umsebenzisi ubuza umbuzo, kanjani ukushintsha izinga refresh, uma okukhethwa kukho ezifanele ayitholakali futhi ukubaluleka lingaphansi kunalokhu othandeakayo CRT-izikrini, into yokuqala sincoma ke - ukufaka abashayeli yakamuva ikhadi vidiyo.

isinqumo isici

Kwezinye izimo, ikhwalithi isithombe CRT-isibonisi incike isinqumo. Ngezinye ephakeme inani layo esikrinini ibekwe izakhi nje. Futhi endabeni, isibonelo, ne isithombe noma ividiyo, ungakwazi ukubuka ngokuningiliziwe. ongakhetha isinqumo kahle ngokuyinhloko ixhomeke ekutheni ukubaluleka kwesikrini ngamasentimitha. Kodwa, isimiso, umsebenzisi uzizamele ukubeka namanani ahlukene. Qaphela ukuthi isinqumo kungashintshwa usebenzisa algorithm efanayo lapho beshintsha imvamisa kwesikrini - ". Khombisa" e "Control Panel" futhi

Phawula futhi ukuthi uma imvume kakhulu ukubeka 85 Hz akusebenzi ngaso sonke isikhathi. Futhi lokhu, ngenhlanhla ingenye izizathu okungenzeka yizimbangela inombolo oyifunayo kungenzeka zingaveli uhlu amaza. Ngakho-ke, uma abashayeli yakamuva, futhi 85 Hz singekho ohlwini, ungase ufune kancane ukunciphisa isinqumo qapha.

imvamisa LCDs

Kufanele kuqashelwe, imvamisa yokubuyekeza isithombe esikrinini LCD - ezimweni eziningi ipharamitha ongenawo nencazelo ekhethekile. Ngenxa nje yokuthi ngabaqaphi ucishe yesimanje namanje kule mboni amise ukuze ukuvama wokulungisa nje kungadingeki. Ngisho noma elilingana 60 Hz, okungaba esibucayi CRT ubonisa, kulokolokoza lubonakale akuyona ngenxa imininingwane zobuchwepheshe zazo sishilo ngenhla. Nokho, ngokuqondene LCD izibonisi - yezinye ipharamitha yabo ezibaluleke kakhudlwana - izinga buyekeza pixels. Ezimweni eziningi, lokho, ngasendleleni, uchazwa ne "imvamisa" kwesikrini - ngisho phakathi IT-ongoti. Lokhu, empeleni, akayena ngempela kuyiqiniso. Hhayi okungenani ngenxa ukuthi izinga Ukuvuselelwa Amaphikseli akuyona obonakaliswe hertz, kanti omunye - millisecond. Kodwa uma elithi ukusebenzisa in umongo "imvamisa", akekho, mhlawumbe hhayi lokuthuka yokushoda izindlela. Ngakho-ke, sisebenzisa igama elivamile elithi "imvamisa" maqondana LCD ubonisa, siyaqonda ngokuthi "i-pixel ye izinga refresh."

Ngakho, liyini okungcono Ukuvuselela izinga e-LCD Abaqaphi? Into ebaluleke kakhulu - ukunikeza the best okufanayo le ipharamitha ukugeleza ozimele eyenziwe ihluzo ikhadi computer. Okusho ukuthi, uma, isibonelo, i-chip intando okukhipha image at a imvamisa 60 hertz, kanye LCD ngeke ibe buyekeza izinga Amaphikseli okwanele (inkomba enjalo kungaba kubhekwe cishe 30-40 millisecond), khona-ke izovela isithombe sesikrini ukuba "ezintantayo" . Ngaphansi kuka ipharamitha okuhambisanayo ukubonisa, ngcono. Okungcono kakhulu, uma ayidluli 15 millisecond. Njengomthetho, umbuzo kanjani ukwandisa izinga refresh yohlobo LCD, akudingekile. Futhi, i-pixel ye-refresh rate - ukusetha ezimweni eziningi futhi le mboni. Ishintshe ekhaya kuyinkinga. Ngakho-ke kubalulekile ukuba amnake ngqo lapho uthenga esibukweni.

isici zobuchwepheshe

Cishe emidwebweni efanayo futhi Kuphinde sici ngoba namanye amadivayisi digital asebenzisa ikubonisa LCD. Lokho, isibonelo, imvamisa update isikrini laptop - ipharamitha njengendlela "ivaliwe" ukulungisa, njengoba kunjalo ngabaqaphi for PC.

umahluko endleleni umuntu ikhwalithi yesithombe phezu okucaciswe luketshezi ezimweni ezingajwayelekile kakhulu luncike amagugu imvamisa embukisweni. Cishe njalo isici esiyisihluthulelo - yizinga yobuchwepheshe kusengaphambili ngokuyinhloko izinga buyekeza pixels. Okubaluleke nakakhulu, yini Ukuvuselela izinga isethwe. Kuyini ubuchwepheshe best yokwakhiwa izithombe ngombono "pixelation" nombala qapha hlobo locingo - kunqunywa ngokuyinhloko nomkhiqizi umkhiqizo. izinhlobo Okudala zesikrini Yiqiniso, unga "inkinga" akulona ngempela eliphezulu isithombe. Kodwa njengoba imikhiqizo yesimanje, izinkinga eziphawulekayo nabo, njengoba umthetho, asivelanga. Phawula futhi ukuthi ngaphezu "imvamisa" isici, ikhwalithi yesithombe ehlaselwe inqwaba nemingcele ethize ukuze izikrini of PC kanye laptops. Leli zwi lesinqumo, uhlobo-matrix, ikhadi vidiyo.

Isikrini imvamisa LCD TV

Yiziphi izici of the ekhombisa LCD TV? Ngokuphathelene nemithetho ukhiye - abayikho, isimiso, iyafana kuyi-computer. Okusho ukuthi, ku eziningi zalezi zinsuku TV ubonisa uvuselele izinga kwanele, ukuze umfanekiso akusho "gxuma." Njengoba for the pixel Ukuvuselela izinga - ngokuvamile, abakhiqizi umkhiqizo we-TV ozama nokwandisa zonke izici kwesikrini. Ngakho-ke, iyiphi ezinkingeni ezihlobene "ezintantayo" isithombe ku-TV namuhla ningagcini.

Nokho, izinga buyekeza kwesikrini TV - ipharamitha, libhekene eziningi izici. Yini, isibonelo? Nakulokhu futhi, siphawula ezinye ukusetshenziswa iveza umbono oyindida abantu of matemu. Iqiniso lokuthi kukhona, njengoba enjalo, izinga refresh of the isakhiwo se-isikrini - nayo ngokuphathelene nomsebenzi walo, izimiso ezifanayo ngoba izinhlobo abafanele lwekhompuyutha nabaqaphi. Kukhona yena, ongakwenza, lozimele isiqophi ukulandelana okungukuthi isici ncamashi ama-TV.

Ngokuphathelene isici sesibili - ungenza Isifaniso ngqo ifilimu. Lokhu ipharamitha ichaza indlela ozimele abaningi ngomzuzwana sidlula isikhala sesikrini. Eziningi zanamuhla LCD TV kuba 50 Hz. Ngokusobala, lokhu ngaphezu kokwanele ukukhiqizwa ifilimu - lapho izinga lozimele, njengoba sishilo ngenhla, ngokuvamile in the ezahlukene amayunithi 30 ngomzuzwana.

Ngakho, izinga refresh kwesikrini TV - uhlala ezibalulekile, kodwa, njengoba kwaba njalo endabeni ka-computer, izinguquko ezengeziwe kuvame akudingekile, futhi ayikho ngaphansi ngokuzenzekelayo. Ngokufanayo, - nge imvamisa Uhlaka kwevidiyo. Lolu khetho - futhi imboni ejwayelekile.

TV: Matrix Izici

Ungase futhi uqaphele ukuthi ezibekiweko of the TV zihlanganisa eziningi imingcele engeziwe. Njengokuthi nje, isib, ngesikhathi ephendula we matrix. kanjani LCDs? Esikhathini crystal, ngokuba "okusanhlamvu" izithombe ezivame esibukweni, i ishayela kagesi kuyinto sigameko, lapho i-pixel ye esikhanyayo. Nokho, ngenxa izici zobuchwepheshe iphuma ngokushesha. Futhi ngakho esikrinini ngisho nangemva umkhankaso luhlaka entsha kungaba ngesekhondi engakabi nayo isikhathi zinyamalale isithombe odlule. Ngenxa yalokho, isithombe ngendlela efanayo njengoba enza ku-screen PC kungase kubonakale "ezintantayo". Kodwa kuyafaneleka - onobuhle yesimanje ye-LCD TV kuvame anemisila izingxenye hardware, ikhono ulungise ukubonisa ukuziphatha okunjalo. Ngaphezu kwalokho, matrix impendulo ezikrinini TV, okuyinto seziyatholakala, njengoba umthetho, incane. Lokho kunjalo LCD TV, umbuzo kanjani ukwandisa izinga refresh cishe hhayi zinkulu. Eqinisweni, kungenzeka ukuba ulungise ipharamitha elihambisana e abanikazi TV ezimweni eziningi, akukho.

Imvamisa PC isibonisi ne-TV: Iziphetho

Ngakho safunda ukuthi isikrini Ukuvuselela isilinganiso, ikuphi okungcono CRT-Abaqaphi, lapho ukhetho kwezinye izimo, kudingeke wenze izinguquko manual izilungiselelo ye-Windows. Yiziphi iziphetho mayelana izici ifundelwe kukhangisa izinhlobo ezahlukene esingayenza?

Ilingana Ukuvuselela izinga kule CRT-ukutjheja kanye LCD cishe lisho lutho ngokuya ikhwalithi yesithombe ukuqhathanisa. Hhayi okungenani ngenxa ukuthi izimiso izithombe esimweni ngasinye zihlukile. Eyesibili isizathu - ku okucaciswe luketshezi imvamisa - kunalokho isici zamabanga ikhwalithi yesithombe. Enye ipharamitha kubaluleke kakhulu - izinga buyekeza pixels.

Ikhwalithi yesithombe, njengoba kunjalo LCD computer, kanye kuqhathaniswa CRT-display, buvezwa izimfanelo ikhadi vidiyo. Kaningi kuyenzeka ukuthi uhlobo ezifanele chip kuyinto ubuchwepheshe ngemuva qapha. Okungukuthi, ngokwesibonelo, isibonisi has a okungenani buyekeza izinga ratio Amaphikseli ngenkathi ikhadi isiqophi Ungasebenzisi isisetshenziswa ugcwele. In practice, lokhu ungaboniswa yokuthi uma uqala zokudlala imvamisa high isiqophi setha tincenye letitsite isithombe ngeke badonswe Akucaci ngokuphelele. Nakuba, futhi, siphawula - izinkinga ezifana nale ngokwanele namuhla. Njengoba-movie, ngenxa yezizathu inhloso ukuthi izinga ukulandelana isiqophi lapho ukuveza kwakuxhomeke nobuningi (futhi ezimweni eziningi - buyekeza ngesilinganiso Amaphikseli) akukwazi, ngenxa nje yokuthi ama-movie - okungukuthi, njengoba umthetho, ividiyo-30 ozimele. Ngokufanayo - ne-LCD TV, ikakhulukazi ukulungiswa yesimanje. Bambekela elilungile Ukuvuselela izinga. Yikuphi imodeli engcono kakhulu yokubhekana nezinselele reproduction elikhulu ukulandelana ividiyo - nenkinga lapho siphendula ukuthi ngokufanele sinake kakhulu ezingeni ubuchwepheshe esetshenziswa sha. Imvamisa - isici kule ndaba yesibili.

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