Free Udemy Course __ Mastering Software Defined Radio (SDR): GNU Radio and SDR++

Learn Software Defined Radio (SDR) basics, GNU Radio, AM receivers, filters, and real SDR hardware, HackRF, RTL-SDR-2025

4.5 (13,850 students students enrolled) English
specialized-tech Ethical Hacking
Mastering Software Defined Radio (SDR): GNU Radio and SDR++

What You'll Learn

  • Understand the fundamental concepts of Software Defined Radio and signal processing.
  • Install and use GNU Radio to create and analyze flowgraphs without requiring hardware.
  • Build and configure an AM receiver and explore advanced radio concepts such as frequency shifting and demodulation.
  • Work with real SDR hardware, including RTL-SDR and HackRF, and use tools like SDR++ for practical applications. Learn Software Defined Radio (SDR) basics
  • Fundamentals of Radio and Signal Theory: Grasp the basic concepts of radio waves and signal propagation.
  • Modulation Techniques: Understand how information is encoded onto carrier waves using various modulation methods.
  • Digital vs. Analog Signals: Differentiate between digital and analog signals and their respective applications.
  • Installing GNU Radio: Learn to set up GNU Radio on Linux, Windows, or macOS platforms.
  • GNU Radio Workspace Navigation: Become proficient in navigating the GNU Radio interface and utilizing its components.
  • Working with Sources and Sinks: Understand the roles of sources and sinks in signal processing within GNU Radio.
  • Designing Flowgraphs: Develop skills to create and manage flowgraphs for signal processing tasks.
  • Manipulating Signal Properties: Learn to adjust signal properties and apply multipliers effectively.
  • Building an AM Receiver: Construct and configure an Amplitude Modulation (AM) receiver using GNU Radio.
  • Implementing QT GUI Elements: Add and configure QT graphical user interface components in your projects.
  • Simulating Real Radio Signals: Use recorded file sources to emulate real-world radio signals for testing and analysis.
  • Frequency Analysis: Create and interpret frequency spectra for various signals.
  • Exploring Sinusoidal Frequencies: Examine the characteristics and applications of sinusoidal waveforms.
  • Applying Fast Fourier Transform (FFT): Utilize FFT for signal analysis and understand its practical applications.
  • Combining Complex Signals: Learn techniques for merging complex signals in signal processing tasks.
  • Processing Real-World Audio: Work with actual audio signals to apply processing techniques.
  • Understanding Signal Gain: Comprehend how gain affects audio and radio signals and how to control it.
  • Decibel Theory: Understand the decibel scale and its relevance in signal processing.
  • Introduction to Filters: Learn about different types of filters and their applications in signal processing.
  • Designing Equalizers: Create equalizers and observe the effects of varying sample rates on sound quality.
  • Advanced AM Receiver Concepts: Delve deeper into the workings of AM receivers and essential radio concepts.
  • Radio Tuning Theory: Understand the theoretical aspects of tuning radios to specific frequencies.
  • Frequency Shifting Techniques: Learn how frequency shifting is implemented and its significance.
  • Signal Processing in Computers: Discover how computers interpret and process radio signals.
  • RF Tuning Implementation: Develop and understand radio frequency tuning within SDR systems.
  • AM Demodulation: Master the process of demodulating AM signals to retrieve transmitted information.
  • Decimation in Signal Processing: Understand decimation and its role in reducing sample rates.
  • Utilizing the Throttle Block: Learn the purpose of the throttle block in GNU Radio and its practical applications.
  • Introduction to RTL-SDR: Explore the RTL-SDR hardware and its capabilities in SDR applications.
  • Comparing SDR Hardware: Evaluate different SDR hardware options, such as HackRF and RTL-SDR models, to make informed choices.

Requirements

  • Basic Understanding of how Computers Works
  • (Optional) SDR Device like RTL-SDR or HackRF

Who This Course is For

  • Beginners and enthusiasts looking to explore the world of Software Defined Radio without requiring hardware.
  • Students, hobbyists, and professionals in telecommunications, electronics, and radio communication fields.
  • Engineers and developers seeking hands-on experience with GNU Radio and SDR hardware.
  • Anyone curious about how wireless communication works and wanting to develop practical SDR skills.

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