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broadband    音标拼音: [br'ɔdb,ænd]
宽带;
(能传送极宽范围波频的媒介。它可以同时负载多条信号,将整个频宽分割成多个独立的频道,而每个频道在特定的频率范围内运作)

宽带; (能传送极宽范围波频的媒介。它可以同时负载多条信号,将整个频宽分割成多个独立的频道,而每个频道在特定的频率范围内运作)

broadband
宽频 BB

broad-band
宽频


broadband
宽频

broadband
adj 1: of or relating to or being a communications network in
which the bandwidth can be divided and shared by multiple
simultaneous signals (as for voice or data or video)
2: responding to or operating at a wide band of frequencies; "a
broadband antenna" [synonym: {broadband}, {wideband}]

A class of communication channel capable of
supporting a wide range of frequencies, typically from audio
up to video frequencies. A broadband channel can carry
multiple signals by dividing the total capacity into multiple,
independent bandwidth channels, where each channel operates
only on a specific range of frequencies.

The term has come to be used for any kind of {Internet}
connection with a {download} speed of more than 56 {kbps},
usually some kind of {Digital Subscriber Line}, e.g. {ADSL}.
A broadband connection is typically always connected, in
contrast to a {dial-up} connection, and a fixed monthly rate
is charged, often with a cap on the total amount of data that
can be transferred. Domestic broadband connections typically
share a telephone line with normal voice calls and the two
uses can occur simultaneously without interference.

See also {baseband}, {narrowband}.

(2006-03-30)


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英文字典中文字典相关资料:


  • Broadband - Wikipedia
    The key difference is that what is typically considered a broadband signal in this sense is a signal that occupies multiple (non-masking, orthogonal) passbands, thus allowing for much higher throughput over a single medium but with additional complexity in the transmitter receiver circuitry
  • BroadbandNow - Find Internet Providers in Your Area . . .
    Our independent research aims to provide insight into the current state of broadband, with a focus on informing policy decisions, guiding infrastructure investments, and empowering communities to close the digital divide and foster inclusivity for all
  • What Is Broadband, and How Does It Work? - Investopedia
    Broadband refers to various high-capacity technologies that transmit data, voice, and video across long distances and at high speeds
  • What is Broadband? - HighSpeedInternet. com
    Broadband means high-speed internet, defined by the FCC as 100Mbps download speeds and 20Mbps upload speeds Find out how to get it
  • What is Broadband - Definition, Meaning Explanation - Verizon
    So what is broadband? According to the FCC, the definition of broadband internet is a minimum of 25 Mbps download and 3 Mbps upload speeds Broadband provides high speed internet access via multiple types of technologies including fiber optics, wireless, cable, DSL and satellite
  • Broadband Basics: How it Works, Why Its Important, and What . . .
    Reliable high-speed broadband is essential to life in the U S today With historic federal investments now available, states are working to expand access to high-speed internet Broadband Basics covers network components, technologies, infrastructure, broadband policy, and barriers to access
  • Compare Broadband Deals April 2026 | Cheap Broadband Finder
    Compare and combine broadband, landline and TV deals with Unbundled from MoneySavingExpert Simply enter your postcode to check if you could save money with a new package





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