Antenna about gpr_project_2017 HOT 2 OPEN

Dear @houman-1992
Thank you for your interest in this project.
Unfortunately, I cannot help you much: the project has ended in 2017 and only a prototype was produced. I provided all the files I have "as it is".

1. You should use another type of antenna depending on your application. For example, check this article: https://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742018000300385&lng=en&nrm=iso&tlng=en
2. You can connect antennas directly to the PCB using the appropriate feeders, however RF design rules should be considered - like impedance match, decoupling between power and ground etc.
3. The distance is important because: 1) it defines your radar type - is it monostatic, bistatic, MIMO - you get different resolution and do different signal processing. 2) there's always direct signal from Tx to Rx that should be reduced, since it masks the weaker reflection from the target and decreases dynamic range of the Rx.
4. Kindly also check these links:
   https://github.com/search?q=fmcw -- there are some similar radar projects that include signal processing software.
   https://github.com/kopytjuk/python-fmcw/blob/master/RADAR.ipynb -- I find this tutorial helpful.

from gpr_project_2017.

Thanks a lot for responding. That was a whole host of help.
There is another question if you don't mind. How deep can it penetrate in normal soil?
Thank you

from gpr_project_2017.