Some new detection concepts are presented: such as fast channel, slowchannel, pre-history, post-history. It is a survey and attempt to the field of locomotive fault detection.
With a slow shutter speed on his camera and a bag of light painting tricks, Gilliver paints new images on the silent, stony backdrop of Channel Island of Guernsey.
并采用低速快门的拍摄手法和一组光画技巧，于是在寂静、满是石块的格恩西岛海峡上格列佛绘出了新的图景。
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The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.