Communication Systems


Animations
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Communication Systems

  		•  Analog and Digital Communication
  		• Communication Systems with Input and Output Transducers
  		• Elements of a Communication System
  		• Advantages of Digital Communication Systems over Analog Communication Systems
  		• Undesirable Effects in the Course of Signal Transmission
  		• Modulation
  		• Need for Modulation
  		• Different Types of Modulation
  		• Amplitude Modulation
  		• Modulation Factor
  		• Disadvantages of Amplitude Modulation
  		• Frequency Modulation
  		• Need for Frequency Modulation
  		• Pulse Modulation
  		• Demodulation
  		• Data Transmission and Reception
  		• Principle of Fax Machine
  		• Modems
  		• Symmetric and Asymetric Modem Configuration
  		• Modems with reference to computers
  		• Types of Modems
  		• How Modems Work?
  		• What is the Difference Between Digital and Analog Signals?
  		• Space Communication
  		• Importance of Radio Waves in Modern Communication
  		• Important Terms Used in the Study of Sky Wave Propagation
  		• Space Waves
  		• Basic Principles of Wireless Radio Communication
  		• Microwaves and Radar
  		• Satellites
  		• Satellites Communication
  		• Remote Sensing
  		• Line Communication - 2 - Wire Lines, Cables
  		• Telephone Links
  		• Telephone Circuits
  		• Telephone Lines
  		• Optical Communication - Optical Fibres
  		• Lasers-An Introduction
  		• How a Laser Works
  		• Characteristics of Laser Light
  		• Applications of Lasers
  		• Ruby Laser
  		• Helium - Neon Gas Laser
  		• Principles of Light Modulation
    Animations
  		• Radio Broadcasting - Modulation and Demodulation
  		• Fax
  		• Electromagnetic Spectrum
  		• Electromagnetic Spectrum - An Activity
  		• Active and Passive Satellites
  		• Antenna
  		• Satellite Communication
  		• Remote Sensing Satellites
  		• Optical Fibres
  		• Ruby Laser