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单词 information theory
释义 information theory
[´in·fǝr`mā·shǝn ´thē·ǝ·rē]
COMMUNICATIONS
A branch of communications theory which is devoted to problems in coding, and which provides criteria for comparing different communications systems on the basis of signaling rate, using a numerical measure of the amount of information gained when the content of a message is learned.
MATHEMATICS
The branch of probability theory concerned with the likelihood of the transmission of messages, accurate to within specified limits, when the bits of information composing the message are subject to possible distortion.
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