現(xiàn)代通信原理課件(英文版)(參考版)
2025-01-04 16:40本頁面
【正文】 110 Homework 35 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH 。 16 167。 12 , 167。 half duplex。 MIMO and MIMOOFDM, UWB, optic –wireless munication Introduction 7 What must be considered when you design a munication system? 1. Selection of the informationbearing waveform 2. Bandwidth and power of the waveform 3. Effect of system noise on the received information 4. Cost of the system Introduction 8 Digital and Analog source and system ? The generation of munication system T r an s m i t t e r I n f or m at i on i n p u t m ( t ) S i gn al p r oc e s s i n g c h an n e l S i gn al p r oc e s s i n g C ar r i e r c i r c u i t s R e c e i ve r n oi s e C ar r i e r c i r c u i t s I n f or m at i on ou t p u t 9 1) signal processor 2) In analog system it may be an analog lowpass filter。 (3) Signal。 Chapter One 3 What is a munication system? Communication systems is used to transmit information. Introduction 4 Key conceptions or words (1) Information。 現(xiàn)代通信原理課件 Chapter One 1 Introduction Chapter One Why? Information Age Information Superhighway 2 Application military application。 mon application。 (2) Message。 (4) Waveforms Introduction 5 1 Jimes （ 1864） 2 Heinrich Hertz （ 1887） 3 Claude (1948) Introduction 6 Perspective of munication Wire opticfiber and works wireless 1G2G3GB3G WLAN。 In hybrid one, it may be analogtodigital converter(ADC) 3) 2)Function of signalprocessing block in hybrid one 4) Source coding 5) Channel coding(adding parity and others) 6) 3) Function of Carrier Circuits 7) modulation Function of transmitter 10 1） Classification: wire and wireless W
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