文件名称:Data-processing
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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
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
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数据采集与信号处理大作业.doc