Indian SMART Long Range ASW weapon

Probably hitting submarines in dock, like if China based subs in Sri Lanka or something.
 
sferrin said:
But I was told SSBNs would be impossible to find for the next hundred years. /sarc
Click to expand...
It was never impossible, just difficult, you had to drop a sonar buoy in exactly the right place, or very close. Whereas this would make it more like that bit on Terminator Salvation where skynet finds the sub.
 
If they are using a laser to measure vibrations, the sensitivity is still going to be depth limited and rely on the target generating noise. That might make it a useful sensor for detecting SSKs in shallow water during a snort but it hardly seems like a good mechanism for searching open ocean.
 
Josh_TN said:
If they are using a laser to measure vibrations, the sensitivity is still going to be depth limited and rely on the target generating noise. That might make it a useful sensor for detecting SSKs in shallow water during a snort but it hardly seems like a good mechanism for searching open ocean.
Click to expand...
It seems the light is converted to an acoustic signal upon entry to water, and they also can use it to know the depth, so a submarine would alter the depth. We should probably continue any further discussion on the other thread.

news.stanford.edu

Combining light and sound to see underwater

The “Photoacoustic Airborne Sonar System” could be installed beneath drones to enable aerial underwater surveys and high-resolution mapping of the deep ocean.
news.stanford.edu news.stanford.edu

View: https://www.youtube.com/watch?v=2YyAnxQkeuk


www.forbes.com

New Sonar Sees Underwater From The Air, Promising To Transform Anti-Submarine Warfare

A new type of sonar developed at Stanford University with funding from the U.S. Navy can see objects underwater from the air. This could transform detection of submarines and underwater mines.
www.forbes.com www.forbes.com

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