base on A real-time passive radar # blah2 A real-time radar which can support various SDR platforms. See a live instance at [http://radar4.30hours.dev](http://radar4.30hours.dev).  ## Features - 2 channel processing for a reference and surveillance signal. - Designed to be used with external RF source (for passive radar or active radar). - Outputs delay-Doppler maps to a web front-end. - Record raw IQ data by pressing spacebar on the web front-end. - Saves delay-Doppler maps in a JSON array. ## SDR Support - [SDRplay RSPDuo](https://www.sdrplay.com/rspduo/). - [USRP](https://www.ettus.com/products/) (only tested on the B210). - 2x [HackRF](https://greatscottgadgets.com/hackrf/) with clock synchronisation and hardware trigger. - 2x [RTL-SDR](https://www.rtl-sdr.com/) with clock synchronisation. - [KrakenSDR](https://www.krakenrf.com/) with 2x channels only. ## Services The build environment consists of a docker-compose.yml file running the following services; - The radar processor responsible for IQ capture and processing. - The API middleware responsible for reading TCP ports for delay-Doppler map data, and exposing this on a REST API. - The web front-end displaying processed radar data. ## Usage Building the code using the following instructions; - Install docker and docker-compose on the host machine. - Clone this repository to some directory. - Install SDRplay API to run service on host. - Edit the `config/config.yml` for desired processing parameters. - Run the docker-compose command. ```bash sudo git clone http://github.com/30hours/blah2 /opt/blah2 cd /opt/blah2 sudo chown -R $USER . sudo chmod a+x ./lib/sdrplay-3.15.2/SDRplay_RSP_API-Linux-3.15.2.run sudo ./lib/sdrplay-3.15.2/SDRplay_RSP_API-Linux-3.15.2.run --tar -xvf -C ./lib/sdrplay-3.15.2 cd lib/sdrplay-3.15.2/ && sudo ./install_lib.sh && cd ../../ sudo docker network create blah2 sudo systemctl enable docker sudo docker compose up -d --build ``` Alternatively avoid building and use the pre-built Docker packages; ```bash sudo docker pull ghcr.io/30hours/blah2:latest vim docker-compose.yml --- build: . +++ image: ghcr.io/30hours/blah2:latest sudo docker compose up -d ``` The radar processing output is available on [http://localhost:49152](http://localhost:49152). ## Documentation - See `doxygen` pages hosted at [http://doc.30hours.dev/blah2](http://doc.30hours.dev/blah2). ## Future Work - Add a tracker in delay-Doppler space. - Support for the HackRF/RTL-SDR using a front-end mixer, to sample 2 RF channels in 1 stream. - Support for the Kraken SDR with all 5 channels. - 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. ## FAQ - If the SDRplay RSPduo does not capture data, restart the API service (on the host) using the script `sudo ./script/blah2_rspduo_restart.bash`. ## Contributing Pull requests are welcome - especially for adding support for a new SDR. - 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. ## Links - Join the [Discord](https://discord.gg/ewNQbeK5Zn) chat for sharing results and support. - Watch a [Youtube video](https://www.youtube.com/watch?v=FF2n28qoTQM) showing the hardware and software setup. ## License [MIT](https://choosealicense.com/licenses/mit/) ", Assign "at most 3 tags" to the expected json: {"id":"9831","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"