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- On nomme diaphonie (On nomme diaphonie (ou parfois « bruit ») l'interférence d'un premier signal avec un second. On trouve des traces du...) (ou parfois « bruit ») l'interférence (En mécanique ondulatoire, on parle d'interférences lorsque deux ondes de même type se rencontrent. Ce phénomène...) d'un premier signal avec un second. On trouve des traces du premier signal, dans le signal du second, souvent à cause de phénomènes d'induction électromagnétique. wikipedia - by Lucile Gourraud-Beyron
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- Afin de minimiser la diaphonie, on utilise par exemple des paires torsadées dans les câbles servant aux transmissions de données dans les réseaux téléphoniques et informatiques. - wikipedia by Lucile Gourraud-Beyron
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Compare [close] Compare [close] - Greek
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- Η διαφωνία(cross talk) είναι γενικά το φαινόμενο οπου εχουμε ανεπιθύμητη μεταβίβαση ενέργειας απο
ενα κύκλωμα σε ένα γειτονικό κύκλωμα, που εχει ως συνεπεια την παρενόχληση της μετάδοσης
σ' αυτο το κύκλωμα. Δηλαδή το Η/Μ πεδίο του ενός κυκλώματος επιδρα στο αντίστοιχο Η/Μ πεδίο
του αλλου. Μια μορφή διαφωνίας που εχουμε αντιληφθεί ολοι μας, ειναι το λεγομενο "μπερδεμα"
των γραμμων του τηλεφωνου - ενώ μιλαμε ακουμε και αλλους συνομιλητές (παλιοτερα που ειχαμε τα
αναλογικα ειδικα...) adsl.gr - by Ioannis Chatzilaris
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- Διαφωνία(Crosstalk)
Παραμόρφωση που επάγεται σε διπλαγωγό από γειτονικούς διπλαγωγούς.
Συνήθως όταν τα ζεύγη τοποθετούνται κοντά, όπως συμβαίνει στα τηλεφωνικά καλώδια. - Τηλεφωνία by Ioannis Chatzilaris
- Διαφωνία :
Η διαφωνία οφείλεται στην συνύπαρξη ενός αριθμού ζευγών στο ίδιο καλώδιο και
αναφέρεται στην παρενόχληση λόγω ηλεκτρομαγνητικής ακτινόβολίας, που
υφίσταται ένα ζευγάρι από παρεμβολές προερχόμενες από ένα ή περισσότερα
γειτονικά. - Τ.Ε.Ι. Πειραιά by Ioannis Chatzilaris
- Το μέγεθος του διακόπτη μπορεί να είναι μέχρι 1×16 και παρουσιάζει αποδεδειγμένη αξιοπιστία, χαμηλή απώλεια λόγω παρεμβολής (insertion loss), μικρή απώλεια εξαιτίας διασποράς πόλωσης και χαμηλή διαφωνία (crosstalk). - Εθνικό Μετσόβιο Πολυτ by Ioannis Chatzilaris
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Compare [close] - Vietnamese
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- nhiễu xuyên âm: loại nhiễu xuất hiện khi 2 hoặc nhiều đường tín hiệu bị nhiễu sang nhau gây ra hiện tượng tín hiệu của đường truyền này lại trở thành nhiễu của đường truyền kia và ngược lại. Own research - by Tiến Anh Lê
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- nhiễu xuyên âm: loại nhiễu xuất hiện khi 2 hoặc nhiều đường tín hiệu bị nhiễu sang nhau gây ra hiện tượng tín hiệu của đường truyền này lại trở thành nhiễu của đường truyền kia và ngược lại. - smilestranslation.com by Tiến Anh Lê
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Compare [close] - Norwegian
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- Krysstale kan forekomme i elektroniske kretser, i telekommunikasjon, inklusive trådløs kommunikasjon, i såvel analoge som digitale systemer, samt i akustiske systemer (v f eks musikkopptak). Krysstale skriver seg fra elektromagnetisk kopling (kapasitiv eller induktiv), lekkasjeledning, eller akkustisk signallekkasje. I digitale systemer kan den skyldes interferens pga overlapp i bruken av signaleringssystem, og forøvrig enhver overlappende signaltransmisjon i frekvensbånd (analogt) eller i symbolinterferens (digital kode), slik at kanalseparasjonen blir for dårlig. Begrepet brukes idag i industrien selv om ikke talesignaler er involvert i transmisjonen - det kan være digitale signaler som f eks representerer målestørrelser. Own research - by montanus
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- Et signal som sendes ut på et kobberpar har en gitt rekkevidde, bestemt av signalets nivå (styrke), frekvensbånd og kobbertrådenes elektriske egenskaper: Høyere frekvenser må kompenseres med høyere nivå for å opprettholde rekkevidden. Samtidig vil et signal, til en viss grad, forstyrre andre abonnenters signaler på andre kabelpar i samme kabel (eller gruppe i kabelen). Det er dette som kalles krysstale, dvs. at et signal delvis smitter over til et annet kobberpar, og graden av krysstale varierer sterkt med kvaliteten på kobberkablene - Wikipedia by montanus
- RS-232 har også relativt dårlig kontroll over tiden mellom skifting av spenningsnivå, noe som kan forårsake krysstale. - Wikipedia by montanus
- Dette skal gjøre kommunikasjonen mellom minnekontrolleren og selve minnet mer robust, ved at man kan redusere blant annet krysstale og elektromagnetisk interferens. - digi.no by montanus
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Compare [close] - Albanian
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- Diafonia është një lloj ndërhyrjeje nga një kanal ose kabllo fqinje, e cila shkaktohet nga ndërhyrja elektromagnetike, përgjatë një qarku ose një çifti kabllosh. Javvin Technologies, Inc. - by Juliana Cullafiq
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- Faktoret, qe ndikojne ne cilesine e ciftit telefonik, mund te jene nga me te ndryshem : kontaktet me ciftet e tjera, nyje te zbuluara ne kontakt me lageshtiren ose me “TOKEN”, interferencat, diafonia, prania e cabllove te tensionit te larte etj. - Ata të webit by Juliana Cullafiq
- Llogaritja e percjellesave te rrjeteve kabllore urbane behet duke u nisur nga distanca e abonentit deri ne centralin urban te qendres se banuar ku ai do te lidhet, ne perputhje me planin e shtyrjeve ne fuqi, me rekomandimet e CCITT-se lidhur me diafonine
dhe ne vartesi te aparatit fundor qe do te lidhet ne kete rrjet.
- Ikubinfo by Juliana Cullafiq
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Compare [close] - Japanese
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- 1本の伝送路内で伝送中の電気信号が漏れて,再び伝送路上に戻ってくる現象。あるいは隣接した伝送路から漏れた電気信号が混入する現象。漏話と訳される。クロストークによるノイズを受信した側から発生源を見たときの遠近で,遠端漏話(FEXT)と近端漏話(NEXT)がある。カテゴリ6のUTPケーブルでは,ケーブル間でのクロストークを回避するために,平行に敷設しないように注意が記述されている。 ITpro - by Nozomi Kugita
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Compare [close] - English
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- Crosstalk is a type of Interference from an adjacent channel or wire, which is caused by electromagnetic interference, along a circuit or a cable pair. A telecommunication signal disrupts a signal in an adjacent circuit and can cause the signals to become confused and cross over each other. Javvin Technologies, Inc.
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- Crosstalk originating from multiple high-speed data services in the same telephone bundle is a limiting factor for the maximum bit rate, the loop length and the number of data services that a bundle can support. - The Pennsylvania State University by
- All current crosstalk mitigation techniques require precise knowledge of the crosstalk coupling functions between the twisted pair wires carrying DSL service within a cable binder. - Rice Scholarship by
- Optical bidirectional transmission systems, such as subscriber systems, where two signals are carried over a single fibre are subject to optical crosstalk. This crosstalk causes an unwanted increase of the bit error rate at the receivers in both channels. - Institute of Physics and IOP Publishing by
Compare [close] - Romanian
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- Inductanţa parazită de cuplaj - diafonia inductivă - apare ca urmare a variaţiei câmpului magnetic produs de un curent (In) care trece printr-un conductor, într-o buclă de curent aflată în vecinătatea acestuia.
Cuplajul dintre două conductoare filare, vecine şi paralele, ca urmare a variaţiei curentului dintr-unul din cele două conductoare produce în cel de-al doilea conductor o tensiune parazită. Acest cuplaj se numeşte diafonie inductivă şi poate fi redus prin micşorarea inductivităţii (parazite) de cuplaj dintre circuite şi prin limitarea variaţiilor rapide ale curentului prin firul perturbator.
Univ. Tehnică “Gheorghe Asachi” Ias - by Camelia Manea
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- Diafonia se manifestă prin apariţia de perturbaţii în linia pasivă datorită cuplajelor inductiv şi capacitiv, care apar între cele două linii şi datorită impedanţei comune a masei. Pentru aprecierea perturbaţiilor datorate diafoniilor prezintă importanţă:
- diafonia capătului apropiat (“near-end”)
- diafonia capătului depărtat (“far-end”)
- Universit. Tehnică Construcţii Bucures by Camelia Manea
- cross-talk = diafonie; intermodulatie - Dictionar tehnic online englez-român by Camelia Manea
- Diafonia este considerata in limite normale daca la masurarea cu semnal sinusoidal (1014 Hz) rezultatul este mai mic ca -65 dBm0.
(site-ul Facultatii de electronica, telecomunicatii si tehnologia informatiei Bucuresti, "lucrarea 4" de la adresa web urmatoare: www.elcom.pub.ro/discipline/tm/INDRUMAR%20Duma%202005/LUCRAREA%20NR%204%20complet.doc ) - Facultatea ETTI Bucuresti by Camelia Manea
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