Introduction to Communication Systems 222 CNET 3 Dr

  • Slides: 18
Download presentation
Introduction to Communication Systems (222 CNET -3) Dr. Mohammed Abdul Gaffar Ali Department of

Introduction to Communication Systems (222 CNET -3) Dr. Mohammed Abdul Gaffar Ali Department of CNET College of CS&IT Jazan University, Jazan.

Chapter 2 Amplitude Modulation Ø Introduction To Amplitude Modulation (AM) Ø Equation for Message

Chapter 2 Amplitude Modulation Ø Introduction To Amplitude Modulation (AM) Ø Equation for Message Carrier & Modulated Wave Ø Types of Amplitude Modulation Ø Advantages of AM Ø Disadvantages AM.

Introduction Amplitude Modulation (AM). Definition: The amplitude of the carrier is made proportional to

Introduction Amplitude Modulation (AM). Definition: The amplitude of the carrier is made proportional to the instantaneous amplitude of the modulating voltage ﻳﺘﻢ ﺇﺟﺮﺍﺀ ﺳﻌﺔ ﺍﻟﻨﺎﻗﻞ ﻳﺘﻨﺎﺳﺐ ﻣﻊ ﺍﻟﺴﻌﺔ ﺍﻵﻨﻴﺔ ﻟﻠﺠﻬﺪ ﺍﻟﺘﺤﻀﻴﺮﻱ

Equations. ﻣﻌﺎﺩﻻﺕ Modulating Signal: Carrier Signal : AM Signal : -

Equations. ﻣﻌﺎﺩﻻﺕ Modulating Signal: Carrier Signal : AM Signal : -

Modulation Index M > 1 Over Modulation M < 1 Under Modulation M =

Modulation Index M > 1 Over Modulation M < 1 Under Modulation M = 1 Perfect Modulation.

Types of AM.

Types of AM.

DSBSC : - Double Side Band Suppressed Carrier. . ﺿﻌﻒ ﺍﻟﺠﺎﻧﺐ ﺑﺎﻧﺪ ﺍﻟﻤﻜﺒﻮﺕ ﺍﻟﻨﺎﻗﻞ

DSBSC : - Double Side Band Suppressed Carrier. . ﺿﻌﻒ ﺍﻟﺠﺎﻧﺐ ﺑﺎﻧﺪ ﺍﻟﻤﻜﺒﻮﺕ ﺍﻟﻨﺎﻗﻞ Power = PAM 3 Band Width (BW)= 2 Fm

SSB : - Single Side Band ﻓﺮﻗﺔ ﺟﺎﻧﺐ ﻭﺍﺣﺪ Power = PAM 6 Band

SSB : - Single Side Band ﻓﺮﻗﺔ ﺟﺎﻧﺐ ﻭﺍﺣﺪ Power = PAM 6 Band Width (BW)= Fm

VSB: - Vestigial Side Band. It is between SSB & DSBSC.

VSB: - Vestigial Side Band. It is between SSB & DSBSC.

Disadvantages of AM. AM ﻋﻴﻮﺏ Ø Ø It is more likely to be affected

Disadvantages of AM. AM ﻋﻴﻮﺏ Ø Ø It is more likely to be affected by Noise ﻣﻦ ﺍﻷﺮﺟﺢ ﺃﻦ ﺗﺘﺄﺜﺮ ﺑﺎﻟﻀﻮﺿﺎﺀ The power of AM is low. ﻗﻮﺓ AM. ﻣﻨﺨﻔﻀﺔ

CHAPTER 5 Introduction to Communication Systems 222 CNETCHAPTER 5 Introduction to Communication Systems 222 CNET
Introduction to Communication Systems 222 CNET 3 AcademicIntroduction to Communication Systems 222 CNET 3 Academic
Introduction to Communication Systems CNET 222 Dr MohammedIntroduction to Communication Systems CNET 222 Dr Mohammed
CHAPTER 6 Introduction to Communication Systems 222 CNETCHAPTER 6 Introduction to Communication Systems 222 CNET
Introduction to Communication Systems 222 CNET 3 CHAPTERIntroduction to Communication Systems 222 CNET 3 CHAPTER
Chapter3 Angle Modulation Introduction to Communication Systems CNETChapter3 Angle Modulation Introduction to Communication Systems CNET
Signals Systems CNET 221 Chapter2 Introduction to SystemsSignals Systems CNET 221 Chapter2 Introduction to Systems
Signals Systems CNET 221 Chapter1 Introduction to SignalsSignals Systems CNET 221 Chapter1 Introduction to Signals
Lecture 7 222 Cell Biology 1 Mitochondria 222Lecture 7 222 Cell Biology 1 Mitochondria 222
Week 06 Lab Normalization INFOSYS 222 INFOSYS 222Week 06 Lab Normalization INFOSYS 222 INFOSYS 222
Lecture 10 222 cell Biology 1 Lysosome 222Lecture 10 222 cell Biology 1 Lysosome 222
DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222
222 513 OO 371262 222 2010 1 11222 513 OO 371262 222 2010 1 11
DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222
DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222
DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222DESARROLLOECOLOGIA 1 Mater et Magistra 1961 222 222
Introduction to Communication Systems 222 CNET3 Academic YearIntroduction to Communication Systems 222 CNET3 Academic Year