Fig. 1. Ocean reverberation for general case.[3]
Fig. 2. Geometry of bistatic closed-form reverberation and scattering area.[12]
Fig. 3. Geometry of reverberation Doppler shift.[13]
Fig. 4. The flow chart for the generation of ocean bottom reverberation signal.
Fig. 5. The ocean environments of RMW-I problem XI.
Fig. 6. Comparision of closed-form reverberation level with RMW-I problem XI results.[15]
Fig. 7. Simulated result of reverberation time series for a RMW-I problem XI.
Fig. 8. Comparison of ensemble average result with 100 iterations with closed-form reverberation level.
Fig. 9. Spectrogram of CW reverberation signal for a RMW-I problem XI.
Fig. 10. Ship GPS position for the simulation in the East Sea and GEBCO bahtymetry is applied.
Fig. 11. The ocean environments of simulation.
Fig. 12. Simulated result of total reverberation time series for a CW signal.
Fig. 13. Simulated result of total reverberation time series for a LFM signal.
Fig. 14. Spectrogram of total CW reverberation.
Fig. 15. Spectrogram of total LFM reverberation.
Fig. 16. Polar plot of a CW reverberation intensity.
Fig. 17. Polar plot of a LFM reverberation intensity.
Table 1. Sonar system parameter for simulation.
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