Comm introduction
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The document provides an overview of the topics that will be covered in the Communication Engineering course. The key topics include: 1) The basic elements of a communication system including transmitters, receivers, channels and noise. 2) A brief history of communication technologies from ancient times to modern digital technologies. 3) Descriptions of analog and digital communication systems and their differences. 4) Explanations of electromagnetic waves, the electromagnetic spectrum, and frequency allocations for different applications.
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Comm introduction
- 1. DAE 32603- Communication Engineering
- 4. Chapter 1: Introduction to Communication System What is COMMUNICATION???
- 7. Transmitter (Tx) Noise Receiver (Rx) Communications channel or medium Human message input (voice, code, pictures, data, etc.) Message for human application Information source Destination Communication System: Chapter 1: Introduction to Communication System Figure 1.1 : The basic elements of communication system.
- 9. Chapter 1: Introduction to Communication System Collection of electronic devices or circuits that accepts the transmitted signal from the transmission medium and converts them back to their original form . Eg. Earphone or complex electronic receiver. Random, undesired electrical energy that enters the communication system via the communication media (i.e. inserted between TX and RX) and interferes with the transmitted message. Noise: Receiver:
- 10. Figure 1.2 : Basic transmitter block diagram. Signal source Base band converter Modulation and power amplification Transmission (Electromagnetic Field) Subsystem synchronization Transmitter: Chapter 1: Introduction to Communication System
- 11. Figure 1.3 : Basic receiver block diagram. Receiver: Chapter 1: Introduction to Communication System Amplification and demodulation Base band inverter Synchronization system Base band processing Electromagnetic field
- 23. Chapter 1: Introduction to Communication System Energy and Electromagnetic Waves
- 25. Radio wave, television wave, and microwaves are all types of electromagnetic waves . They differ from each other in wavelength . Wavelength is the distance between one wave crest to the next. Wave
- 26. Please refer to Maxwell’s Equation for more explanation. Chapter 1: Introduction to Communication System Electromagnetic Wave
- 27. Chapter 1: Introduction to Communication System
- 28. Chapter 1: Introduction to Communication System Electromagnetic Spectrum and Allocations
- 30. Chapter 1: Introduction to Communication System Electromagnetic Spectrum
- 35. Chapter 1: Introduction to Communication System
- 42. Chapter 1: Introduction to Communication System Simplex, Duplex and Half Duplex
- 44. Chapter 1: Introduction to Communication System