文件名称:fft
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用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位;
用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角;
可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function.
The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively.
The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)
用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角;
可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function.
The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively.
The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)
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下载文件列表
| 文件名 | 大小 | 更新时间 |
|---|---|---|
| fft作业\in.mat | 1219 | 2019-03-20 |
| fft作业\un.mat | 1165 | 2019-03-20 |
| fft作业\un1.m | 852 | 2019-03-20 |
| fft作业\un2.m | 633 | 2019-03-20 |
| fft作业\un3.m | 514 | 2019-03-20 |
| fft作业\补充习题一.docx | 104366 | 2019-03-20 |
| fft作业 | 0 | 2019-03-28 |
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