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信息與通信工程專業(yè)介紹(英文版)-文庫吧資料

2025-01-04 22:38本頁面
  

【正文】 ? development of transmission method telegram— voice — Much carrier modulation— pulse code modulation 電報(bào) 聲音 — 多載波調(diào)幅 — pcm ? development of range of message voice — text — graph, image 聲音 — 文字 — 圖形、圖像 The development of Communication ? As with every advance in munication technology, the creation and interconnection of robust data works is having a profound effect. ? Early data works were limited to exchanging characterbased information between connected puter systems. Current works have evolved to carry voice, video streams, text, and graphics between many different types of devices. Previously separate and distinct munication forms have converged onto a mon platform. This platform provides access to a wide range of alternative and new munication methods that enable people to interact directly with each other almost instantaneously. The future of Communication ( 3) 5w: whatever wherever whoever whomever whenever 任何人在任何時(shí)間、任何地點(diǎn)接收來自任何人的任何信息 The future of Communication Mobile Cellular Network Mobile Ad Hoc Network Fixed Network BSC BSC BSC WLAN What is Communication? ? As we all know, works can support the way we learn, the way we work and the way we in a workcentric world,munication is an essential part of our lives. What is Communication? ? Communication in our daily lives takes many forms and occurs in many environments. Each situation
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