Telephony: A detailed exposition of the telephone system of

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Language: English

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Although digital representations are discrete, the information represented can be either discrete, such as numbers or letters, or continuous, such as sounds, images, and other measurements of continuous systems. Atmospheric conditions and terrain effects modify the propagation of microwaves so that even if the designer can see from point A to point B (establishing a true optical line of sight), it may not be possible to place antennas at those two points and achieve a satisfactory communication performance.

Pages: 0

Publisher: New Era; 2nd edition (1943)


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