Wireless Radio pdf epub mobi txt 電子書下載 2024

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Coe, Lewis

McFarland & Co Inc Pub

2006-2

204

$ 39.55

Pap

9780786426621

圖書標籤: 英語科學技術

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发表于2024-11-15

Wireless Radio epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2024

Wireless Radio pdf epub mobi txt 電子書下載 2024

圖書描述

In 1873 Scottish physicist James Clerk Maxwell first advanced the idea that there might be electromagnetic waves that were similar to light waves, a startling concept to the scientists of his day. About 13 years later, German physicist Heinrich Hertz demonstrated in his laboratory that electromagnetic radiation did indeed exist. But it was not until after Hertz's death that a young Italian named Guglielmo Marconi got the idea for a practical communications system based on Hertz's work. From these beginnings, wireless radio became the basis of a revolution that has resulted in the satellite communications of today. This history first looks at Marconi's invention and then explores its many applications, including marine radio, cellular telephones, police and military uses, television and radar. Radio collecting is also discussed, and brief biographies are provided for the major figures in the development and use of the wireless.

Wireless Radio 下載 mobi epub pdf txt 電子書