Fig. 1. (a) Schematic diagram of the optical path structure of the double beam-double scattering principle (LD: laser, SMF: single-mode fiber, Splitter: beam splitter, Collimator: collimator, Focus Lens: focusing lens, DSO: digital oscilloscope, PC: computer); (b) Sea test photos of the optical system prototype

Fig. 2. (a) Peak search error of different algorithms; (b) Standard deviation of peak search for different algorithms

Fig. 3. (a) Compared with ADV before and after algorithm treatment; (b) Error comparison with ADV before and after algorithmic processing