基于射线模型的浅海水声信道的仿真，采用解方程组算法得出本征路径数N，考虑多径和多普勒效应，并基于此加以自适应均衡技术进行均衡。-Ray simulation model of shallow water acoustic channel based on the use of solutions of equations or algorithms intrinsic number of paths N, consider multipath and Doppler effect, and ba