Status: |
STD 2005/06/07 |
Code: |
1240 |
|
Concept definition: |
The gradient in the shipping noise spectral power level in a <WATERBODY> as a function of <<FREQUENCY>>, typically above 300 hertz; shipping noise spectral power level roll-off. |
|
Attribute value type: |
REAL |
Unit equivalence class label: |
POWER_LEVEL_DIFF_FREQ_GRADIENT |
|
Reference type: |
IR |
Reference: |
[JMCDM, "HIGH-RESOLUTION-OMNIDIRECTIONAL-SHIP-NOISE rolloff rate"] |
Supplemental references: |
[OAML, Shipping Noise Database] |
|
Group membership: |
|