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Rotating and receiving a laser?

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GreenAce92

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I know it's probably a bad idea regarding blinding someone.

But as opposed to phased array design that would probably mean more expensive.

What about spinning a laser and creating a 3D map of the image returned from this spinning laser.

I don't even know if it makes sense, if the laser bounces off a non-flat surface, how to account for that / distinguish from an actual hole, which I guess unless it was really far away, would be quickly filled by a wall or something far away.

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The results obtained here are amazing! From 2012

I don't know, they probably used a phased-laser design.

When I looked into that kind of 3D mapping for robotic navigation it was very expensive.
 

I've heard a phased array is the principle behind the Aegis radar system. No rotating platform. Minimal moving parts.

I suppose the spinning laser is the same principle as conventional radar? Your algorithm will need to know what direction it is aimed, so that it can map the echoes to the correct locations.

I watched the video of the self-guiding airplane. It's astounding what they're able to do these days. The plane creates a 2 dimensional map ahead of it. It is able to fly around obstacles, even with a 2 dimensional view.
 

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