SoapySDRPlay3
gnuradio
SoapySDRPlay3 | gnuradio | |
---|---|---|
3 | 22 | |
88 | 4,807 | |
- | 1.0% | |
6.0 | 9.4 | |
3 months ago | 6 days ago | |
C++ | C++ | |
MIT License | GNU General Public License v3.0 only |
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SoapySDRPlay3
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RTL-TCP with SDRPlay
rtl_tcp only works with rtlsdr, you can use SoapySDR or usbip as alternative.
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MSi.SDR under Linux
- Blacklist the sdr_msi3101, msi001, and msi2500 kernel modules - Download and install the SDR1 library -> https://www.sdrplay.com/downloads/ - Install CubicSDR and SoapySRD development files from the distribution's repository - Build and install SRDPlay support -> https://github.com/pothosware/SoapySDRPlay3 - Start the SDRPlay service (/usr/local/bin/sdrplay_apiService as a non-privileged user does the trick) - Start CubicSDR
gnuradio
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Upsampling in Gnuradio is necessary?
In gr-dtv transmitter examples for Gnuradio, I see some times people use a resampler block before the RF hardware sink. Say our sampling rate is ~9.14Msps which satisfies the Nyquist criterion because our samples are complex numbers.
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Capturing FM using SDR
2.1. Thanks for that tip, I forgot that I was able to check the source code of the WBFM Receive block. As you have said, there are mostly the same. There are some differences between how values are picked. The WBFM Receive block would be a synonym of Quadrature demod => Fir Filter (decimation => Low pass filter) => FM Deemphasis. 2.3. My question there is why 10 and not 20 or 100. I understand that the idea is to reduce the sample rate asap, but what I don't understand is why those values were picked and how can I understand what would be the "correct" or "best" value. 2.4. I'm not fully understanding what you said. If I check the WB FM recieve source code the values that are supplied as the cutoff freq and transition width of the Low pass filter differ from the one of the example. The webfm would apply a sample rate / decimation / 2 - sample rate / decimation / 32 as a cutoff freq and a sample rate / decimation / 32 as a transition transition width. Calculating those values would end up in different that the ones supplied in this second example. Again, is there a rule of thumb to pick these values?.
- Hello everyone! I would like to install and run GNU Radio version 3.7.4 in order to follow along with The HackRF GNU Radio tutorial on greatscottgadgets.com/sdr/ but I can’t find prior releases to install. Can anyone help?
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Multi band gfsk demodulation with Nooelec RTL-SDR v5 SDR and gnu radio
Gaussian filter is used only on the tx side, so specifying bt in the receiver makes no sense. Take a look at gfsk mod/demod blocks implementation: https://github.com/gnuradio/gnuradio/blob/master/gr-digital/python/digital/gfsk.py
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What would you rewrite in Rust?
GNU Radio
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Is there a way to delay a signal in time-domain?
Here's the filter coefficients used for the GNU-Radio interpolator block to get you started. This is a 7th order interpolator (i.e., 8 FIR taps) with very good performance. Each "row" of the array sets the delay in steps of sample_time / 128.
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My grandpa is a huge HAM radio fan, so I showed him GNU Radio. Got this text the day he got back home.
From their README: “open-source software development toolkit that provides signal processing blocks to implement software radios.” https://github.com/gnuradio/gnuradio
- The future is now ... again
- GNU Radio
- GNU Radio – the Free and Open Software Radio Ecosystem
What are some alternatives?
AIS-catcher - AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
PothosSDR - Pothos SDR windows development environment
SigDigger - Qt-based digital signal analyzer, using Suscan core and Sigutils DSP library
SDRPlusPlus - Cross-Platform SDR Software
Node RED - Low-code programming for event-driven applications
SoapyRTLSDR - SoapySDR RTL-SDR Support Module
gnss-sdr - GNSS-SDR, an open-source software-defined GNSS receiver
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
PothosCore - The Pothos data-flow framework
srsRAN_4G - Open source SDR 4G software suite from Software Radio Systems (SRS) https://docs.srsran.com/projects/4g