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82 lines
3 KiB
Markdown
82 lines
3 KiB
Markdown
# blah2
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A real-time radar which can support various SDR platforms. See a live instance at [http://radar4.30hours.dev](http://radar4.30hours.dev).
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## Features
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- Support for the [SDRplay RSPDuo](https://www.sdrplay.com/rspduo/) and [USRP](https://www.ettus.com/products/) (only tested on the B210).
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- 2 channel processing for a reference and surveillance signal.
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- Designed to be used with external RF source (for passive radar or active radar).
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- Outputs delay-Doppler maps to a web front-end.
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- Record raw IQ data by pressing spacebar on the web front-end.
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- Saves delay-Doppler maps in a JSON array.
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## Services
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The build environment consists of a docker-compose.yml file running the following services;
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- The radar processor responsible for IQ capture and processing.
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- The API middleware responsible for reading TCP ports for delay-Doppler map data, and exposing this on a REST API.
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- The web front-end displaying processed radar data.
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## Usage
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Building the code using the following instructions;
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- Install docker and docker-compose on the host machine.
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- Clone this repository to some directory.
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- Install SDRplay API to run service on host.
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- Edit the `config/config.yml` for desired processing parameters.
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- Run the docker-compose command.
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```bash
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sudo git clone http://github.com/30hours/blah2 /opt/blah2
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cd /opt/blah2
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./lib/sdrplay-3.14.0/SDRplay_RSP_API-Linux-3.14.0.run --tar -xvf -C ./lib/sdrplay-3.14.0
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./lib/sdrplay-3.14.0/install_lib.sh
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sudo docker network create blah2
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sudo systemctl enable docker
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sudo docker compose up -d --build
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```
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Alternatively avoid building and use the pre-built Docker packages;
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```bash
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vim docker-compose.yml
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--- build: .
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+++ image: ghcr.io/30hours/blah2:latest
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sudo docker compose up -d
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```
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The radar processing output is available on [http://localhost:49152](http://localhost:49152).
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## Documentation
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- See `doxygen` pages hosted at [http://doc.30hours.dev/blah2](http://doc.30hours.dev/blah2).
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## Future Work
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- Add a tracker in delay-Doppler space.
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- Support for the HackRF and RTL-SDR using a front-end mixer to sample 2 RF channels in 1 stream.
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- Support for the Kraken SDR.
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- Support for using 2 HackRF boards with clock synchronisation.
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- Add [SoapySDR](https://github.com/pothosware/SoapySDR) support for the [C++ API](https://github.com/pothosware/SoapySDR/wiki/Cpp_API_Example) to include a wide range of SDR platforms.
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## FAQ
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- If the SDRplay RSPduo does not capture data, restart the API service (on the host) using `sudo systemctl restart sdrplay.api`.
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## Contributing
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Join the [Discord](https://discord.gg/ewNQbeK5Zn) chat for sharing results and support.
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Pull requests are welcome - especially for adding support for a new SDR.
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- Currently have an issue where the USRP B210 is timing out after 5-10 mins and crashes the code. Convinced it's an issue with my usage of the API - contact me for more info.
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- A bug exists for Docker versions >= 25.0.0 using the RspDuo due to a shared memory issue, please downgrade for the time being.
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## License
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[MIT](https://choosealicense.com/licenses/mit/)
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