Laser - assisted autofocus gets better with extended detection range and there's dual phase detection, too. (pocketnow.com)
Accurate sea temperature was much more important in anti-submarine warfare where, in order to predict likely detection ranges of submarines from a surface ship, it was critical to have temperatures at all depths to which a submarine could operate. (climateaudit.org)
Southall et al (2003)-- Signal Detection Ranges This study uses a combination of field and laboratory data to make predictions about how far from one another elephant seals can be and still hear one another. (sea-inc.net)