Event:SoftwareDefinedRadioSDRFMDABontvangerworkshop: Difference between revisions
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Prerequisites: | |||
Please bring your own RTL-SDR hardware (very cheap, $20-$40 or less) | |||
or other SDR hardware (USRP or other GNURadio supported SDR). | |||
There might be a few available @ revspace coin-op machine by the time the workshop starts. | |||
Evening will comprise: | |||
1. | |||
Quick introduction into GNURadio companion 3.7.11.1 (have it preinstalled and git client to download the samplecode) | |||
2. A little bit of the theory of signal processing (about an hour or 1.5 hrs) | |||
2.1 Real signals | |||
- real-sinewaves in the timedomain / displayed using time sink / oscillioscope | |||
- Multiplying real-sinewaves and frequency domain/spectrogram (mixing in radioterms) | |||
2.2 Complex signals | |||
- Quadrature or complex (IQ) sinewave signal sources and displaying in timedomain ('constellation' diagram) and frequency domain (FFT) | |||
- Multiplying quadrature (IQ) sinewaves and spectrogram | |||
2.3 Filtering complex signals | |||
- Filtering IQ signals using FIR filters with complex taps | |||
- (very quick) calculating FIR filter coefficients using gr-filter of inverse FFT/inverse DFT and windowing functions, impulse response of filter | |||
3. Radio receivers and/or detectors | |||
- Build a simple mono FM receiver using blocks with built-in feedback networks | |||
- Build a RDS FM receiver and connect it with your RTL-SDR or other gnuradio-support SDR/radiodata input device | |||
Bonus: | |||
Build with welle.io a SDR-based DAB+ receiver. For this a QTQuick 5.x installation might be required. | |||
Revision as of 16:48, 17 April 2019
| Event Foundations Friday: Software Defined Radio workshop | |
|---|---|
| Name | Foundations Friday: Software Defined Radio workshop
|
| When | 2019-06-28 20:00 |
| Information |
|
Prerequisites: Please bring your own RTL-SDR hardware (very cheap, $20-$40 or less) or other SDR hardware (USRP or other GNURadio supported SDR). There might be a few available @ revspace coin-op machine by the time the workshop starts.
Evening will comprise: 1. Quick introduction into GNURadio companion 3.7.11.1 (have it preinstalled and git client to download the samplecode)
2. A little bit of the theory of signal processing (about an hour or 1.5 hrs) 2.1 Real signals - real-sinewaves in the timedomain / displayed using time sink / oscillioscope - Multiplying real-sinewaves and frequency domain/spectrogram (mixing in radioterms) 2.2 Complex signals - Quadrature or complex (IQ) sinewave signal sources and displaying in timedomain ('constellation' diagram) and frequency domain (FFT) - Multiplying quadrature (IQ) sinewaves and spectrogram 2.3 Filtering complex signals - Filtering IQ signals using FIR filters with complex taps - (very quick) calculating FIR filter coefficients using gr-filter of inverse FFT/inverse DFT and windowing functions, impulse response of filter
3. Radio receivers and/or detectors - Build a simple mono FM receiver using blocks with built-in feedback networks - Build a RDS FM receiver and connect it with your RTL-SDR or other gnuradio-support SDR/radiodata input device
Bonus: Build with welle.io a SDR-based DAB+ receiver. For this a QTQuick 5.x installation might be required.