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开源软件介绍：

xrft: Fourier transforms for xarray data

xrft is an open-source Python package for taking the discrete Fourier transform (DFT) on xarray and dask arrays.

It is:

• Powerful: It keeps the metadata and coordinates of the original xarray dataset and provides a clean work flow of DFT.
• Easy-to-use: It uses the native arguments of numpy FFT and provides a simple, high-level API.
• Fast: It uses the dask API of FFT and map_blocks to allow parallelization of DFT.

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Get in touch

• Report bugs, suggest features or view the source code on GitHub.