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原文連結
論文資訊
- 類型：已發表論文
- 日期：2004
摘要
It has been well known since the pioneering work of Claude Shannon in the 1940s that a message transmitted with optimal efficiency over a channel of limited bandwidth is indistinguishable from random noise to a receiver who is unfamiliar with the 語言 in which the message is written. We derive some similar results about electromagnetic 傳播s. In particular, we show that if electromagnetic radiation is used as a 傳播 medium, the most 資訊-efficient format for a given message is indistinguishable from blackbody radiation. The characteristic temperature of the radiation is set by the amount of energy used to make the 傳播. If 資訊 is not encoded in the direction of the radiation, but only in its timing, energy, and polarization, then the most efficient format has the form of a one-dimensional blackbody s
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