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Originally Posted by SeaQueen
You really don't need a acoustic model to do WWII submarines because they were mostly relying on direct path energy to get their detections.
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I presume that audible freqs behave the same as the rest of the freqs a modern sonar can pick up. So, if sound can't reach a modern sensor then it shouldn't reach the sonarman's ears too (...right?). A more accurate model would prevent this.
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You need to know what's going on when you're dealing with bottom bounces, convergence zones and what not.
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I'm not sure what you mean by that.