Active Noise Limited Sonar Eqn

Question 1

Generate the Active Noise Limited Sonar Equation

Answer 1

Question 2

Source Level (SL)

Answer 2

Amount of sound transmitted by the Sonar

Question 3

Transmission Loss (TL)

Answer 3

Sound intensity lost due to spreading and absorption

Question 4

Noise Level (NL)

Answer 4

Amount of isotropic noise in the water

Question 5

Directivity Index (DI)

Answer 5

Focusing ability for listening. Ability to reject noise form directions other than target.

Question 6

Detection Threshold (DT)

Answer 6

SNR required to achieve rated detection performance.

Question 7

Noise limited: If left side is less than right side,

Answer 7

Noise Limited

Question 8

Noise Limited: Echo Level

Answer 8

Question 9

Noise Limiting: Noise Masking Level

Answer 9

Question 10

Noise Limited: Echo/Signal Excess

Answer 10

Question 11

Noise Limiting: Active Figure of Merit

Answer 11