In the standard database:
The detection range for the generic active torpedo sensor (assigned to all active torpedos) is hard set at 4500m and the sensitivity of that seeker is set such that, for all acoustic conditions (high sea, bottom limited, across layer, etc.) the detection will ALWAYS occur at that range.
For contrast, in the LWAMI mod:
We have created about 15 unique seekers with varying ranges AND we have reduced the sensitivity of the seekers so that acoustic conditions (especially layers, sea state, and acoustic environment type) and target parameters will greatly influence the ability of the seekers, meaning that the detections won't always occur at those hardset maximum ranges.
The database works on both the principle of hard set maximum ranges, and curves off of that max range based on the acoustic engine and the sensitivity of the sensor, which provides the third variable in the log scale of sound level at the sensor surface (or put another way, the degree to which the sensor can amplify signal contacts over background noise).
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LW
 
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