torch.fft.fft
时间: 2023-10-12 11:00:38 浏览: 268
回答: torch.fft.fft函数是PyTorch中用于执行N维离散傅里叶变换(DFT)的函数。它将输入张量从时域转换为频域,并返回相应的频域表示。要使用torch.fft.fft函数,你需要导入torch.fft模块,并使用该函数提供的参数来指定输入张量的形状和数据类型。例如,通过以下代码可以计算一个大小为10x10的复数张量的FFT:import torch.fft>>> x = torch.rand(10, 10, dtype=torch.complex64)>>> fftn = torch.fft.fftn(t)[1这将返回一个与输入张量相同形状的频域张量。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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