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ELEC350: Communications Theory and Systems I
4. Lab 4. PSK systems
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4. Lab 4. PSK systems
4.1. Deliverables
4.2. Testing a PSK system
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Lab 1. GNU Radio Tutorials
Deliverables
Tutorial 1: Using GNU Radio Companion
Objectives
Launching GNU Radio Companion
Configuring the Flowgraph
Adding Blocks to the Flowgraph
Executing the Flowgraph
Working with the Scope Sink
Working with the FFT Sink
Working with Audio I/O
Math Operations
Filters
Running Generated Python Code
Conclusions
Tutorial 2: Variables and Controls
Objectives
Working with Sliders
Working with Text Boxes
Working with Choosers
Working with Notebooks
Conclusions
Tutorial 3A: AM Signal waveforms
Objectives
AM flowgraphs
Tutorial 3B: Receiving AM Signals
Objectives
Real signals, basic AM receiver
Complex signals, receiver with channel selection (tuning)
Playing a Data File
Frequency Display Resolution
Selecting one channel by filtering
AM Demodulation
Matching the Audio Sample Rate
Adding a Volume Control
Tuning to a desired station (channel)
Automatic Gain Control
Tutorial 4: Complex Signals and Receiving SSB
Objectives
Complex/Analytic Signals
Hilbert Transforms
Complex Multiplication
Single Sideband (SSB) Signals
Frequency Translating Filter
Using the firdes Module
Weaver Demodulator
Lab 2. FM, IQ and USRP Tutorial
Deliverables
Setup
FM Signal waveforms
Objectives
FM flowgraphs
FM Receivers
FM broadcast receiver
FM data receiver
Dynamic Range with FM
I/Q Receiver
I/Q Receiver output
Dynamic range with IQ signals
Noise figure
Carrier Wave Transmitter
Lab 3. FLEX Frame Synchronizer
Deliverables
Frame Capture
Bit and Frame Sync
Decoding text
Other data signals
Lab 4. PSK systems
Deliverables
Testing a PSK system
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