基于双端电气量的故障测距，里面的输电线路是分布式输电线路，所以该模型已经考虑到了分布参数对测距的影响，能进行稳定而精确的测距！-Based on samples at both ends of the fault location, inside the transmission line is a distributed transmission line, so that the model has taken into account the effect of the distribut