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 ...

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

Abstract: This paper analyses an emerging real-world phenomena in inverter-based renewable-dominated power systems, namely, asymmetry of frequency distribution. The paper first provides a rationale on ...

More countries are edging ahead of the United States in math and science achievement, according to the latest results from an international test of 4th and 8th graders in the subjects. The Trends in ...

Recently, in the name of research, I found myself on a waterbed for the first time since elementary school. I put on a set of headphones, and the bed began to pulse in sync with the hypnotic, ...

Gen Z cat lovers don't just believe in the cat distribution system − they spread the message via memes and T-shirts. Stories of the so-called cat distribution system seem to propel the phenomenon ...

The Riemann hypothesis is the most important open question in number theory—if not all of mathematics. It has occupied experts for more than 160 years. And the problem appeared both in mathematician ...

Bill Whitaker is an award-winning journalist and 60 Minutes correspondent who has covered major news stories, domestically and across the globe, for more than four decades with CBS News. A high school ...

Stuck on a tricky math problem? Google's newest app will use AI to help you solve it. Two years ago, Google announced the purchase of a math problem-solving app called Photomath. And earlier this week ...

In 2019, mathematicians finally solved one of the hardest math problems—one that had stumped them for decades. It’s called a Diophantine Equation, and it’s sometimes known as the “summing of three ...