If you're interested in the cantenna radar you might also find Henrik Forsten's radar interesting: https://hforsten.com/6-ghz-frequency-modulated-radar.html. It uses largely the same high-level design, but is a bit more integrated as a single unit (rather than a series of minicircuits components).
I've built the MIT radar before and it is a great way to learn the basics of radar!
In either design you can likely get away with <$500 worth of materials.
Henrik has follow-up blogs adding and modifying this design for more functionality, it's a pretty neat project to follow!
I've built the MIT radar before and it is a great way to learn the basics of radar!
In either design you can likely get away with <$500 worth of materials.
Henrik has follow-up blogs adding and modifying this design for more functionality, it's a pretty neat project to follow!