Update README.md

frank-pian · Mar 10, 2021 · 70b4b23 · 70b4b23
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 # gps-sdr-sim-assistant
-A GUI tool that makes it easier to use GPS-SDR-SIM
+A GUI tool that makes it easier to use GPS-SDR-SIM(https://github.com/osqzss/gps-sdr-sim)
+
+![](https://raw.githubusercontent.com/frank-pian/gps-sdr-sim-assistant/master/images/assistant.png)
+
+## Generating the GPS signal file
+
+- elect a location or set latitude and longitude;
+- Set time;
+- Generate the file;
+- The root directory gets the file gpssim.bin;
 
 ## Development
 ```Bash
 > npm install
 > npm run dev
 ```
 ## 感谢打赏
+
+<img src="https://raw.githubusercontent.com/frank-pian/gps-sdr-sim-assistant/master/images/qcode.jpg" width="20%">