Abstract: In this article, we optimize the kernel of a time-frequency distribution (TFD) for a specific class of signals with some instantaneous frequency (IF) patterns, such as linear frequency ...

Multiple domains provide designers and test engineers with complementary views of acquired signals. Oscilloscopes originated as instruments that measure electrical signals in the time domain. The ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025.

The US drug distribution sector plays a critical role in ensuring timely delivery of pharmaceuticals while driving supply chain efficiencies. The US population is aging, and with it, the need for more ...

From classical to rock, musicians tune their instruments to a common pitch so they can play together harmoniously. For at least 80 years, that standard pitch frequency has been A440 Hz — which defines ...

The hedgehog is one of Europe’s most familiar and well-loved wild mammals. Many people encounter them in gardens, hear their snuffling at dusk, or glimpse their spiny shapes moving through the night.

PCWorld’s guide helps users navigate the overwhelming choice of approximately 250 Linux distributions by focusing on five main strains: Debian, Red Hat/Fedora, Arch, Slackware, and Gentoo.

A high-frequency wand may offer benefits for skin appearance, including reducing fine lines or wrinkles and acne. However, more research is necessary to support these potential benefits. Using a ...

In 1979, five months after my seventh birthday, my father crashed his plane into an orange grove and died. Dad, a pilot, had gone up in one of his twin-props with a friend and lost control after some ...

Press releases remain one of the most trusted ways to share company news. But without a distribution strategy, even the strongest announcement can fall flat. A press release distribution plan helps ...