Introduction to Communication Systems (222 CNET-3) Academic Year 1439 -40 Second Semester Mohammed Abdul Gaffar Ali Department of CNET College of CS&IT Jazan University, Jazan.
Chapter 1 Introduction Ø Communications Ø Communication system Blocks Ø Need for modulation Ø External Noise Ø Internal Noise
Blocks Of Communication
Defined As
Definition It is the ratio of the input SNR on the output SNR. ﺗﻌﺮﻳﻒ ﻧﺴﺒﺔ ﻫﻮ SNR ﻋﻠﻰ ﺍﻹﺩﺧﺎﻝ SNR. ﺍﻹﺧﺮﺍﺝ