Ffatcatcoder09inrockyshi.hashnode.dev·Jan 2, 2025 · 10 min readDeep Dive into FFT: From Theory to Practical OptimizationIntroduction During my years of working with digital signal processing, I've found the Fast Fourier Transform (FFT) to be both fascinating and challenging. While textbooks cover the mathematical theory well, they often miss the practical aspects of i...00