When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording ...

Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous ...

FTIR-7600 is a single-beam Fourier-transform infrared spectrometer with fast scan speed and high accuracy. This instrument is operated by a PC with user friendly software and a comprehensive manual.

The fruits of car designers’ efforts are often revealed at vehicle launches with all the ceremony of a fine-art unveiling. Trumpets sound. Spotlights glare. Curtains sweep back. The assembled motoring ...

Abstract: The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning ...

Abstract: Magnetic particle imaging (MPI) is an emerging molecular tomographic technique known for its high sensitivity and spatiotemporal resolution. Typically, high-quality images are obtained using ...

A minimal "getting start" tutorial is available at https://pynufft.readthedocs.io/en/latest/index.html. This package reimplements the min-max interpolator (Fessler ...