Fig. 1. Schematic of adaptive elimination principle

Fig. 2. Flow chart of RLS algorithm

Fig. 3. System diagram of 100 km fiber optic hydrophone

Fig. 4. Environment of RI and SI

Fig. 5. Diagram of DI and RLS noise suppression effect in 0~1 200 Hz band

Fig. 6. Diagram of DI and RLS noise suppression effect in 0~500 Hz band

Fig. 7. Diagram of RLS noise suppression effect with introducing analog common noise and detection signal