Shared Flashcard Set

Details

Test 2 Navy 202
yut yut semper fi devil dog yut
5
Medieval Studies
2nd Grade
04/04/2011
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Medieval Studies Flashcards

 

 

Cards

Term
Wentz Curve
 Definition
graph that can be used to estimate noise level from a variety of sources within the frequency range of interest
Term
Sonar SNR
 Definition

The ratio of the recieved echo from the target to the noise produced by everything else.

 

SNR = SL-NL-TL+DI
Term

Figure of Merit

FOM

 Definition

The maximum allowable one way transmission loss in passive sonar, and the maximum two way transmission loss in active sonar while still ebing able to retain a detection probability of 50%.

FOMp = SL - NL + DI - DT

FOMa = SL + TS + DI - NL - DT
Term
Sonic Layer Depth
 Definition
When there is a layer of positve gradient over a negative gradient.  The speed of sound is maximum at the boundary.
Supporting users have an ad free experience!