WiMi Hologram Cloud Inc. (NASDAQ: WIMI) ('WIMI' or the 'Company'), a leading global Hologram Augmented Reality ('AR') Technology provider, has completed systematic benchmark testing on fully ...

A research team led by City University of Hong Kong (CityUHK), in collaboration with the University of Zurich, has uncovered ...

If the UNIQUE function isn’t working in Microsoft Excel on your Windows 11/10 PC, read this post to learn how to fix the issue. The UNIQUE function extracts a list of distinct (non-duplicate) values ...

Convolution is a remarkable property of the Fourier transform, often cited in the literature as the “faltung theorem”. Convolution is a remarkable property of the Fourier transform, often cited in the ...

A windowed sinc filter outperforms a moving-average filter in the frequency domain. Figure 1. The ideal filter X(f) in the frequency domain has a gain of 1 and a cutoff frequency fC. This result is in ...

Convolution is used in a variety of signal-processing applications, including time-domain-waveform filtering. In a recent series on the inverse fast Fourier transform (FFT), we concluded with a ...

One of the goals for this column has been to catalog a series of mathematical concepts that have made a profound impact on all of STEM, not just the last letter of the acronym. Fortunately, I’ve ...

Abstract: Speech enhancement (SE) is used in many applications, such as hearing devices, to improve speech intelligibility and quality. Convolutional neural network-based (CNN-based) SE algorithms in ...