Part 2 The Physical Layer
2.1 The Physical Layer : Data Transmission
The Physical Layer - Signal Transmission Introduction
The Electrical Interface
Electrical Signals
Characteristics of Signals:
Signal Addition
Signal Phase Shifts
Time and Frequency Domains
Frequency Domain Concepts
PPT Slide
Frequency and Time Domains
Spectrum of Speech
Fourier Analysis
Fourier Transforms
Degrees and Radians
Waveform and its Spectrum
Nyquists Theorem
More Examples
Nyquist was an Optimist
Attenuation - Contíd
Attenuation
Decibels
Bandwidth
Attenuation as a Function of Frequency
Signal Propogation Delay
Delay Distortion
Relative Envelope Delay
Noise
Signal / Noise ratio
Theoretical Capacity of Noisy Channel - Shannon
Theoretical Capacity of Telephone Line
Other Noise Sources
Impulse Noise Example
Transmission Efficiency
Summary: things that affect a signal (and data)
Integration of Simple Functions - Review
More Integration Examples
Algebriac and Trigonometric Formulas
Fourier Transforms Revisited
Filtering and Linear Systems
Bandpass Filter Example -
Spectrum of a Single Pulse
Part 2 - The Physical Layer - coverage so far
Email: unger@cpsc.ucalgary.ca
Home Page: http://www.cpsc.ucalgary.ca/~unger
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