Communications



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Lectures

  • Lecture 0. (xx/08/17) [Basics of Communications].
  • Lecture 1. (xx/08/17) [To be disclosed].
  • Lecture 2. (xx/08/17) [To be disclosed].
  • Lecture 3. (xx/08/17) [To be disclosed].
  • Lecture 4. (xx/08/17) [To be disclosed].
  • Lecture 5. (xx/08/17) [To be disclosed].

Homework

  • Problem Set 1 (due xx/xx/17).
  • Problem Set 2 (due xx/xx/17).
  • Problem Set 3 (due xx/xx/17).

Study Materials

  • An Outline of Physics (Part-IV) - M. Daskhan.
  • An Introduction to Physics Applications - Edited by P.N.Ghosh.
  • A General Course in Physics : III - A.Lahiri.

Topics

  • Propagation of electromagnetic waves: Atmosphere, various layers of atmosphere, ground and sky waves.
  • Transmission of electromagnetic waves: Amplitude and frequency modulation, calculation of power in amplitude modulation, sideband generation in frequency modulated wave, demodulation, linear diode detector, detection of FM waves, signal-to-noise ratio.
  • Transmission through media: coaxial cables, optical fibre - cladding, energy loss, band width and channel capacity, information carrying capacity of lightwaves (qualitative), satellite communication, microwave link - modern and internet.