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Lec4_PCM_I

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PCM
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   TE312: Introduction to Digital Telecommunications Lecture #4 Pulse Code Modulation (PCM)  Introduction Points to be discussed in this lecture ã Quantization and Encoding ã Uniform Quantization ã Non-Uniform Quantization   ã Bandwidth Requirements for PCM  Introduction Reading Assignment Simon Haykin, “Digital Communications”, John Wiley & Sons, Inc., 1988, Chapter 5, Sec. 5.1, Sec. 5.3 and Sec. 5.4.    Quantization and Encoding The sampled signal ( ) s m nT   of the message signal ( ) , band-limited to Hz m t B  is discrete in time but continuous in amplitude. Digital representation of ) m t   requires: - (i) Quantization of the amplitude of a sampled signal ( ) . s m nT  (ii) Encoding of each quantized sample value resulting in a pulse code modulation (PCM) system.

Equity Theory

Jul 23, 2017
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