3 ms·
From my time working for the U.S. Navy, I find this very reminiscent of the problem of finding a submerged submarine at a distance, based on its low-frequency s
by DoofusOfDeath 9y ago
From my time working for the U.S. Navy, I find this very reminiscent of the problem of finding a submerged submarine at a distance, based on its low-frequency sound emissions.
Their solution is to use a very long array (i.e., a towed array) of microphones (i.e., transducers), and perform algorithmic beam-forming to narrow down the possible points of origin for the sound.
This seems like a pretty obvious approach, but I haven't noticed anyone proposing it.
- tsomctl 9y agoThe ocean has a lot fewer objects for sound to reflect off of than a town full of buildings.
- DoofusOfDeath 9y agoI didn't mean to imply that it's a good technique for pinning down a particular building or even block of the city, but the technique would work (I imagine) for large-scale localization of the sound source.
- acct1771 9y agoSo put it on something above the buildings.