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spectrogram

spectrogram A spectrogram is a visual way of showing how the frequency content of a signal changes over time.

A spectrogram is a visual way of showing how the frequency content of a signal changes over time. It is made by dividing the signal into short segments and applying a Fourier transform to each segment, which helps capture spectral information at different time intervals.

Sources

Drafting source: Liu Haiying; Shang Yuxin; Lin Haiyan. Discriminant spectrogram local descriptors for electrocardiography biometric authentication. 2026; DOI 10.1371/journal.pone.0343293; article XML SHA-256 ad631e7614f2e49edf6e470669646dbdeb2a57a1138fb12e76a8824ed23734f6. “Discriminant spectrogram local descriptors for electrocardiography biometric authentication” (10.1371/journal.pone.0343293).
CC-BY-4.0 · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: ad631e7614f2e49edf6e470669646dbdeb2a57a1138fb12e76a8824ed23734f6

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “spectrogram.” Development preview.

Version 1 · SHA-256: 5642fdf436c9adf77c11a2621c3602a9607ca79214177dbc248d4b018484004f

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spectrogram

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Sources

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