Traditional sonar and radar use an echo-based approach, and have been amazingly successful in sensing and tracking vehicles and objects under water, through the air, or even in space. The principle is ...

It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of ...

The amount of data the Defense Department collects has exploded with the number of increasingly sophisticated sensors on ships and submarines. And to tackle this, DOD will need to embrace cross-domain ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

At using sonar, humans are novices compared to bats. That's why Israeli scientists are fitting bats with sensors in an attempt to reveal their echolocation secrets. Related Topics: Bats, Echolocation, ...