A Rogowski coil was designed to measure partial discharge (PD) signal with low currents and high frequency. The possibilities of obtaining better measurements o
On-line rail milling technologies have been applied in rail maintenance,and are proving to be efficient and environmental friendly.Based on the field data of on
After introducing the theories and geometric features of four familiar transition curves(cubic parabola(CP),fifth degree parabola(FDP),half-wave-length sinusoid