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Data-processing

于 2012-01-05 发布 文件大小:119KB
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  基于FFT的功率谱分析程序设计与应用 2)对实验所采集的转子振动信号进行频谱分析 2.讨论: 1) 信号经过均值化处理或不经过均值化处理的结果比较 2)采用不同窗函数时的谱结果(矩形窗函数, 汉宁窗函数,汉明窗) 3)典型函数的频谱(矩形窗函数, 汉宁窗函数,直线,阶跃函数,δ函数,方波,三角波等) 4)整周期和非整周期采样时两者的比较 5)讨论实验结果 (Based on the FFT power spectrum analysis of program design and Application2) on experimental collection of the rotor vibration signal spectrum analysis2 discussion:1) the signal through the mean treatment or not after a mean treatment results comparison2) using different window function spectral results ( rectangle window, Hanning window function, the Hamming window )3) the typical functions of spectrum ( rectangle window, Hanning window function, linear, step function, function, square wave, triangular wave)4) the whole cycle and non-integer-period sampling time comparison5) discussion of experimental results)

文件列表:

数据采集与信号处理大作业.doc,184832,2009-07-25

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