Through big data collection and analysis, the user, area, route, direction, time, scene are together into a whole body.Based on the high-speed railway user identification, user location, driving direction identification, etc.,it can judge the high risk area that the high-speed railway users separate from and the public network users invade.Locate the abnormal events, and construct the quality evaluation system of high-speed railway based on multi-dimensional algorithm.Then it achieves precision monitor and quality analysis of net...