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家庭物理：無線電波如何運作？
David Salch
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平均評分：4.9評論數量：(3,266)
探索無線電波是什麼以及它們如何透過空氣傳輸訊息的基礎。
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課堂經歷
美國等級 3 - 6
Everything we use today seems to be wireless, which of course means it has a radio inside it. This class explains how a radio actually works, what radio waves are, and what the main components of a radio are. This basic understanding applies to anything wireless (except infrared) including wifi, garage openers, bluetooth, etc. Concepts explored in this session include: The nature of radio waves Antennas Frequencies Modulation AM/FM Radio frequency and power for range What can radio...
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平均評分：4.9評論數量：(3,266)
Learning facts and skills is definitely important, but an often missed but critical piece of education is understanding the foundation. Without a proper understanding of the underlying principles of "how something works," the collection of facts...
團體課
US$14
每班見面一次
50 分鐘
由 347 學習者完成
即時視訊會議
Ages: 8-12
4-18 每班學員人數
