| |
Can sonar "see" around objects? Can it detect, for example, a sub hiding on the
other side of a reef or similar underwater obstacle?
Here's why I'm asking: The kitchenette in my office is around the corner and
down a hall, so I can't see when someone's getting coffee. But my pal Brian
just sneezed mightily in that room, and I heard him clearly.
I know that this has to do with wave propogation and all that, but I figured I'd
get right to the meat of the question.
And, if it can "see" around objects, can it also "see" the front and back of an
object at once? Is our technology sufficiently developed to make use of this,
or do we not yet have that level of resolution?
If not sonar, then do we have other sound-based technology that can do this kind
of thing?
By the way: I know that sonar doesn't "see" anything; that's why I'm putting it
in quotes!
I plan to put sonar on all my spaceships, so I'm eager to learn of its
limitations.
Thanks for your input.
Dave!
FUT ot.geek
|
|
Message has 2 Replies:
 | | Re: Sonar question
|
| (...) Only if there are sufficient holes in the obstacle to allow the sonar to read objects through them. You should be able to read another object through a chain-link fence, but not a privacy fence with overlapping boards. (...) Sound waves bounce (...) (20 years ago, 20-Oct-04, to lugnet.off-topic.geek)
| | | Re: Sonar question
|
| (...) If you saw the world in sound waves, then yes, you could see them. A bat can pinpoint objects smaller than a fly and at speeds that the human eye has trouble being able to track. Not because light is faster than sound, which it is not, but (...) (20 years ago, 20-Oct-04, to lugnet.off-topic.geek)
|
4 Messages in This Thread:
  
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
