digital carrier
Transcription
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- US Pronunciation
- US IPA
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- US Pronunciation
- US IPA
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Definition of digital carrier words
- noun Technical meaning of digital carrier (hardware, communications) A medium which can carry digital signals; broadly equivalent to the physical layer of the OSI seven layer model of networks. Carriers can be described as baseband or broadband. A baseband carrier can include direct current (DC), whereas broadband carriers are modulated by various methods into frequency bands which do not include DC. Sometimes a modem (modulator/demodulator) or codec (coder/decoder) combines several channels on one transmission path. The combining of channels is called multiplexing, and their separation is called demultiplexing, independent of whether a modem or codec bank is used. Modems can be associated with frequency division multiplexing (FDM) and codecs with time division multiplexing (TDM) though this grouping of concepts is somewhat arbitrary. If the medium of a carrier is copper telephone wire, the circuit may be called T1, T3, etc. as these designations originally described such. T1 carriers used a restored polar line coding scheme which allowed a baseband signal to be transported as broadband and restored to baseband at the receiver. T1 is not used in this sense today, and indeed it is often confused with the DS1 signal carried. 1
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Parts of speech for Digital carrier
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
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Matching words
- Words starting with d
- Words starting with di
- Words starting with dig
- Words starting with digi
- Words starting with digit
- Words starting with digita
- Words starting with digital
- Words starting with digitalc
- Words starting with digitalca
- Words starting with digitalcar
- Words starting with digitalcarr
- Words starting with digitalcarri
- Words starting with digitalcarrie
- Words starting with digitalcarrier
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