It is necessary to measure accurately the rolling noise generated by the friction between wheels and rails in railway transport systems. Although many systems have recently been developed to measure the surface roughness of wheels and rails. there exist large deviations in measurements between each system whose measuring mechanism is based on a single sensor. To correct the structural... https://kwfubfqq0jgvmy.timeblog.net/70682652/a-data-centric-internet-of-things-framework-based-on-azure-cloud