Sub-Nyquist sampling and Finite Rate of Innovation (FRI) signal processing represent a paradigm shift in the acquisition and reconstruction of signals. Traditional sampling theories require adherence ...

It is possible to generate the German time signal DCF77 at 77.5 kHz, as demonstrated in this article. We feature a PC as ...

Permutation tests are widely used in practice. However, these tests either need restrictive assumptions for validity, or are not applicable to high-dimensional data. This study considers permutation ...

Claims that former U.S. President Joe Biden's administration initially authorized the use of Signal by government officials spread in late March 2025 after The Atlantic reported national security ...