Tagged “signal-processing”
17 pages · most loved first
Absorptions
A personal blog about signals, programming, music, and other stuff, with detailed technical write-ups for the endlessly…
Building a GPS Receiver, Part 1: Hearing Whispers
The opening of a deep-dive series on building a GPS receiver from scratch, starting with how faint satellite signals are…
Calculating Position from Raw GPS Data
A hands-on walkthrough of how a phone turns satellite signals into a location, working through pseudoranges, orbits and…
Circles, Sines, and Signals
An interactive essay that explains signals, sampling and the Fourier transform through animated diagrams you can drag an…
Cyclostationary Signal Processing
An expert's long-running tutorial blog on the statistics of communication signals, with worked explanations, datasets, p…
Demystifying Fourier Analysis
An interactive walkthrough that builds intuition for the Fourier transform from scratch, probing waves with sines and co…
EE261 - The Fourier Transform and its Applications
Stanford's complete Fourier transform course, free to watch: full lecture videos, handouts and Brad Osgood's celebrated…
Fundamentals of Music Processing
Free interactive Python notebooks accompanying a well-known textbook that explain how sound, notes, spectrograms and mus…
How Does Shazam Work?
A clear walk-through of audio fingerprinting, from spectrograms to peak hashing, culminating in a small working song-rec…
Introduction to the Fourier Transform
A classic illustrated tutorial on Fourier transforms for image processing, showing how images decompose into frequencies…
JPEG Compression
A clear illustrated guide to how JPEG works, from exploiting human visual perception to the change of basis, quantizatio…
Kalman Filter Explained Simply
A picture-driven walkthrough of the Kalman filter that explains how it blends noisy measurements with predictions, using…
Kalman Filter from the Ground Up
A friendly, example-driven tutorial that builds up the Kalman filter step by step, from simple averaging to tracking rea…
Olaf: Acoustic Fingerprinting on ESP32 and in the Browser
A write-up of Olaf, an acoustic fingerprinting system that identifies audio on a tiny ESP32 microcontroller and also run…
The Sound of Harmonics
An article that analyzes a saxophone waveform with Fourier series and lets you hear how reconstruction improves as more…
The Theory and Technique of Electronic Music
Miller Puckette's free online textbook on synthesis, sampling, filtering and spatialization, with worked examples and Pu…
V. Hunter Adams
Cornell lecturer Hunter Adams' site of in-depth course notes, demos and lab projects on digital signal processing, micro…
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