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Digital waveform - PowerPoint PPT Presentation

William Stallings Data and Computer Communications

William Stallings Data and Computer Communications. Chapter 3 Data Transmission. Transmission Terminology. Transmission over transmission medium using electromagnetic waves. Transmission media Guided media Waves guided along physical path e.g. twisted pair, coaxial cable, optical fiber

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869 views • 76 slides

Session 2

Session 2. Objectives: By the end of this session, the student will be able to: Distinguish between data and signals. Cite the advantages of digital data and signals over analog data and signals Identify the 3 basic components of a signal

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458 views • 34 slides

Introduction to Wireless Communications

Introduction to Wireless Communications. Wireless Comes of Age. Guglielmo Marconi invented the wireless telegraph in 1896 Communication by encoding alphanumeric characters in analog signal Sent telegraphic signals across the Atlantic Ocean in 1901 Communications satellites launched in 1960s

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658 views • 31 slides

Chapter 2

Chapter 2. Introduction to Digital Concepts. Analog Representation. Voltage, current, movement. Digital Representation. Digital watch. Advantages of Digital Techniques. Easer to design. (processing limited values). Information storage is easy. More accuracy. Operation can be programmed.

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183 views • 17 slides

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Digital waveform - PowerPoint PPT Presentation

William Stallings Data and Computer Communications

Session 2

Introduction to Wireless Communications

Chapter 2