Скачать или смотреть Spread Spectrum Modulation from Digital Communication ( DCO )

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Contents:

6.1 [06 Marks]
🌟Introduction to #spread #spectrum (SS) #Modulation, advantages over #fixed #frequency, Types of #SS Modulation Applications of SS modulation.
🌟#Pseudo Noise (#PN ) #sequence: definition, generation and maximum length sequence
🌟Model of Spread Spectrum modulation system
6.2 [08 Marks]
🌟 #Direct sequence spread spectrum signal.
🌟Frequency spread spectrum. #Slow frequency #hopping and #fast frequency hopping.
🌟Comparisons of Direct sequence spread spectrum (#DSSS) and Frequency Hop spread spectrum (#FHSS)
🌟DSSS based CDMA system , CDMA with FHSS block diagram

Questions list

1) Compare DSSS and FHSS system w.r.t
i. Definition
ii. Chip Rate
iii. Modulation Technique
iv. Effect of Fading

2) What is maximum-length sequence? Generate maximum-length sequence of length 7 with feedback taps = [3, 1].
3) Draw the block diagram of a BFSK/FHSS transmitter and explain its working. State any two advantages.
4) Draw and explain the block diagram of DSSS based CDMA system.
5) List out application of spread spectrum system.
6) Explain fast frequency hopping with suitable diagram
7) Draw block diagram of PN sequence generator using 4 D-Flip flop.
8) Explain fast frequency hopping with diagram


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