python实现fft变换
时间: 2023-08-08 16:13:09 浏览: 99
要在Python中实现FFT变换,可以使用NumPy库中的fft函数。具体实现如下:
```python
import numpy as np
# 定义输入信号
x = np.array(\[1, 2, 3, 4, 5, 6, 7, 8\])
# 进行FFT变换
fft_x = np.fft.fft(x)
# 打印变换结果
print(fft_x)
```
运行以上代码,将得到输入信号的FFT变换结果。请注意,输出的结果是一个复数数组,其中包含了变换后的频谱信息。
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