单词 | bandwidth |
释义 | bandwidth[ band-width, -with ] / ˈbændˌwɪdθ, -ˌwɪθ / SEE SYNONYMS FOR bandwidth ON THESAURUS.COM nounTelecommunications. the smallest range of frequencies constituting a band within which a particular signal can be transmitted without distortion. Digital Technology. the transmission capacity of an electronic communications device or system; the speed of data transfer: a high-bandwidth internet connection. mental capacity; intelligence: Don't listen to him—he has really low bandwidth. a person's capacity to handle or think about more than one thing at the same time: He doesn't have the bandwidth to make those kinds of decisions. Origin of bandwidthFirst recorded in 1925–30; band2 + width Words nearby bandwidthBandung, bandura, bandurria, b and w, bandwagon, bandwidth, bandy, bandy-bandy, bandy-legged, bandy legs, Bandywallop Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for bandwidthBritish Dictionary definitions for bandwidthbandwidth / (ˈbændˌwɪdθ) / nounthe range of frequencies within a given waveband used for a particular transmission the range of frequencies over which a receiver or amplifier should not differ by more than a specified amount the range of frequencies used in a specific telecommunications signal Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for bandwidthbandwidth The amount of data that can be carried by a digital communication medium, often expressed in hertz. notes for bandwidthWithin the radio and microwave portions of the electromagnetic spectrum limited bandwidth is available, and in the United States the use of the spectrum is regulated and allocated by the FCC. (See VHF and UHF.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for bandwidthbandwidth [ bănd′wĭdth′, -wĭth′ ] The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies. The amount of data that can be passed along a communications channel in a given period of time. For analog devices, such as standard telephones, bandwith is the range of frequencies that can be transmitted and is expressed in hertz (cycles per second). For digital devices, bandwidth is measured in bits per second. The wider the bandwidth, the faster data can be sent. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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