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This article provides detailed notes on discrete-time Fourier series (DTFS) and discrete-time Fourier transform (DTFT), covering their theoretical foundations and examples for signal processing applications.
An introduction to an interactive website that explains the Discrete Fourier Transform and digital signal processing concepts using visualizations and animations.
The paper presents a new method for inverting polyphase filter banks using a circulant formalism and FFT-based algorithm, enabling high-resolution spectral analysis in radio astronomy with effective quantization noise mitigation.
Bede Liu, a pioneer in digital signal processing, has died at age 91. His research on low-power digital signal processors significantly influenced modern communications and consumer electronics.
Keio University has made public lecture slides for Digital Signal Processing and Natural Language Processing, available for anyone to use for learning.
DSPi is an open-source firmware that turns a Raspberry Pi Pico into a fully featured digital audio processor, offering room correction, parametric EQ, matrix mixing, and more.