基于相位法的相关差计,即用程序的形式把相位的差计表示出来-based on the phase difference of law, that is, the procedures in the form of phase margin voiced

网络协调控制，实时计算路网交叉口的周期、绿信比和相位差-Network coordination and control, real-time calculation of network intersection cycle, split ratio and phase difference