I did some searching and seems like an active area of research: https://ieeexplo...

		blittle 46 days ago \| parent \| context \| favorite \| on: How Passive Radar Works I did some searching and seems like an active area of research: https://ieeexplore.ieee.org/document/8768105/ and https://ieeexplore.ieee.org/document/9905046/