Info

t

Spe syst chara tics (

cific em teris-SC)

/ Specific f beam pattern data (BP)

Specific noise source data (N)

Extract TL data (TL)

Extract ocean environment (OE)

Extract platform data (SN)

Specific Specific

Specific Specific

0 Data flow connection

Figure 10.11 Sample acoustic modeling data flow concept showing model operating system application functions for the passive sonar equation (Locklin and Webster, 1980).

0 Data flow connection

Figure 10.11 Sample acoustic modeling data flow concept showing model operating system application functions for the passive sonar equation (Locklin and Webster, 1980).

In the case of active sonars (Figure 10.12), the three key processes involve calculation of the echo signal level (ESL), the reverberation masking level (RML) and the noise-masking level (NML) for a specific active sonar configuration. The signal level/spectra (SL) function for target characteristics

Target characteristics (SL)

System ยก i characteristics (SC)

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