NewsBytes

IIT BHU Varanasi students achieve 1st silicon tape-out 64-point FFT

A team of second-year Electronics Engineering students at IIT (BHU) completed the institute's first silicon tape-out, ...
note

全和を計算する時代は終わった —— O(N²)を捨てて31倍速くなる方法 ...

「同じ精度が出るなら、31倍速い方がいいに決まっている」 そんな当たり前の、しかし極めて困難だった課題に対し、Ghost Drift研究所は一つの回答を提示しました。 O(N²)の全和計算をO(N log N)に置き換える方法 ―― 監査可能なFFTアルゴリズムによる31倍速化 ...
EDN

FFT Algorithm Based Audio Spectrum Analyzer

This audio spectrum analyzer utilizes an ARM7 LPC2138 microcontroller to create an FFT algorithm while performing digital signal processing without the use of special DSP processor. This audio ...
Hindustan Times

This 60-year-old algorithm made modern tech possible, from CT scans to AI to apps on your phone

It’s not often one algorithm shapes the entire arc of modern technology, but the Fast Fourier Transform (FFT) has done exactly that. Created by researchers at Princeton University and IBM in the early ...
Veritasium on MSN

核実験の問題がWi-Fiと5Gを支えるアルゴリズムを生んだ

高速フーリエ変換、つまりFFTは、Wi-Fi、5G、レーダー、ソナー、画像圧縮などを支える史上最重要級のアルゴリズムの1つだ。ファイルでは、この現代的な突破口が冷戦時代の問題から生まれたことが説明されている。科学者たちは、地下で行われる秘密の核実験を ...
EDN

A Simple and Efficient FFT Implementation in C++, Part I

Vlodymyr teaches at Brandenburg University of Technology, Cottbus, Germany. He can be reached at myrnyy@math.tu-cottbus.de. This article provided courtesy ofDr. Dobb’s Journal. This article describes ...
news.iastate.edu

Engineers solve 50-year-old puzzle in signal processing

AMES, Iowa – Something called the fast Fourier transform is running on your cell phone right now. The FFT, as it is known, is a signal-processing algorithm that you use more than you realize. It is, ...