Hackaday

Why Diffraction Gratings Create Fourier Transforms

When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording ...
Quanta Magazine

Networks Hold the Key to a Decades-Old Problem About Waves

Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous ...
Investopedia

Understanding Fourier Analysis: Uncovering Patterns in Time Series Data

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
IEEE

FFT-Trans: Enhancing Robustness in Mechanical Fault Diagnosis With Fourier Transform-Based Transformer Under Noisy Conditions

Abstract: A fast and effective fault diagnosis system is crucial for ensuring complex mechanical equipment’s safe and reliable operation. Deep learning has shown promising prospects in fault diagnosis ...
IEEE

Phase Estimation Using Discrete Chirp-Fourier-Transform-Based Method

Abstract: Spherical measurement is a relatively important application in optical measurement. The interferogram obtained in spherical inspection usually consists of closed fringe patterns. Obtaining ...
GitHub

A Unified Remote Sensing Object Detector Based on Fourier Contour Parametric Learning

Nowadays, object detection has to give the locations and their specific categories corresponding to different parametric definitions, such as the horizontal bounding box (HBB), oriented bounding box ...