Fig. 1. Shallow water waveguide environment.浅海波导环境

Fig. 2. varied with P parameters near critical angle. 随P参数的变化

Fig. 3. Relationship between P and bottom backscattering coefficient at very low grazing angle. 海底甚小掠射角反向散射系数对P参数的依赖

Fig. 4. Compare with bottom backscattering model with different approximate.海底反向散射模型的比较