Creating images with radar sounds like a fun GAN project. I mean we are already coloring animes [1] and line-arts [2, 3].

[1] http://kvfrans.com/coloring-and-shading-line-art-automatical...

[2] https://arxiv.org/pdf/1808.03240.pdf

[3] https://github.com/lllyasviel/style2paints