... signal, if the order range of interest is [1, 30] and the speed range of interest is above 800 r/min, then fspaing,min and tspacing,mindetermined with (13 )and( 14) are 13.3 Hz and 285.6 ms, respectively. ... 3). Determiningfspaing,min and tspacing,minbecomes the first step in theimproved flowchart, and σtis then determined by (11 )and (12) to generate the Gaussian window (analysis window). Itis ... Order Tracking wi thGaussian Window as the Analysis WindowYang Jin1, 2 and Zhiyong Hao11Department of Energy Engineering, Power Machinery and Vehicular Engineering Institute,Zhejiang University,...