Abstract: Discrete Fourier transform (DFT), inverse DFT (IDFT), and circular convolution are important tools for analyzing and designing discrete signals and systems, and are widely used in various ...

Abstract: A circular convolution-based filter bank multi-carrier system adopting quadrature amplitude modulation (CQAM-FBMC) that utilizes partial response signaling (PRS), referred to as the PRS-CQAM ...

Skeptics of a recent investment spree involving OpenAI and others say deals raise questions about the robustness of the artificial intelligence boom. By Andrew Ross Sorkin Bernhard Warner Sarah ...

We’re watching a new trend in semiconductor stocks concerning circular deals. Here’s why we think investors should be keeping an eye on it, though they shouldn’t be particularly worried at this point.

The previous generation, the Circular Ring Slim, didn’t impress us too much in our review testing process. But the company has been hard at work righting some of those wrongs. It updated the Ring Slim ...

The Apple Watch Series 10 is my current wearable of choice. I use it to track all the health data Apple can squeeze into a smartphone and all the workouts I do as part of my marathon training. I've ...

Forget taking an electrocardiogram from your wrist; now you can take one from your finger. The Circular Ring Gen 2, which was announced on Jan. 5 just ahead of CES 2025, is one of few smart rings that ...

The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing, better battery life, an actual dock, and a more premium design. The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing, better ...

Forbes contributors publish independent expert analyses and insights. Prakhar Khanna covers the consumer tech beat for Forbes. Buying a smart ring isn’t as seamless as purchasing a smartwatch. Ideally ...