Bandwidth: Difference between revisions
From Glossary of Meteorology
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|Meaning=# In general, a [[range]] of frequencies specified by the number of [[hertz]] contained within the [[band]] or by the upper and lower limiting frequencies. | |||
|Explanation=# The [[range]] of frequencies that a device is capable of generating, handling, or accommodating; usually the range in which the response is within 3 dB of the maximum response. For example, the bandwidth of a modulated [[signal]] or of a [[bandpass filter]] is commonly defined by the frequencies at which the power spectral density is 3 dB (or a factor of 2) less than that within the [[band]].<br/> | |||
#The amount of [[frequency]] space occupied by a [[signal]] and required for effective transfer of information by the signal. In data transmission, the greater the bandwidth, the greater the capacity to transmit data bits. | |||
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Latest revision as of 22:54, 13 January 2024
# In general, a range of frequencies specified by the number of hertz contained within the band or by the upper and lower limiting frequencies.
- The range of frequencies that a device is capable of generating, handling, or accommodating; usually the range in which the response is within 3 dB of the maximum response. For example, the bandwidth of a modulated signal or of a bandpass filter is commonly defined by the frequencies at which the power spectral density is 3 dB (or a factor of 2) less than that within the band.
- The amount of frequency space occupied by a signal and required for effective transfer of information by the signal. In data transmission, the greater the bandwidth, the greater the capacity to transmit data bits.