主要仿真了基于物理层的时钟同步的仿真，耦合作用下，基于O.Simeone同步算法的处理过程，4个节点的时钟周期经过短暂的波动后逐渐达到稳定状态，实现了时钟偏差(skew)

的补偿，达成时钟频率的同步。-Major simulation clock synchronization based on physical layer simulation, coupling effect, based on O.Simeone synchronization algorithm process node four clock cycles after the short-term fluctuations gradually reached a steady state, the clock skew (skew) compensation reached clock frequency synchronization.