# \#wavelets

**URL:** https://discourse.julialang.org/tag/wavelets/1776.md

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## [Wavelets, sample rate, and replicating Matlab's default call](https://discourse.julialang.org/t/wavelets-sample-rate-and-replicating-matlabs-default-call/136875)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 9\
**Last updated:** [April 25, 2026, 8:02pm UTC](https://discourse.julialang.org/t/wavelets-sample-rate-and-replicating-matlabs-default-call/136875 "2026-04-25T20:02:15Z")

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Hi, I’m trying to get the same output as with a default cwt(x,fs) Matlab function call, where x is a signal and fs its sample rate. Could anyone help me? Here’s what I have done so far, but I don’t know how to include s…

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## [Example of wavelet analysis of a surface](https://discourse.julialang.org/t/example-of-wavelet-analysis-of-a-surface/128050)

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**Author:** [@Gravlax](https://discourse.julialang.org/u/Gravlax)\
**Replies:** 3\
**Last updated:** [April 17, 2025, 11:49am UTC](https://discourse.julialang.org/t/example-of-wavelet-analysis-of-a-surface/128050 "2025-04-17T11:49:48Z")

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Dear all, I would like to analysis images of surface with variable roughness in space. In practice, I would like to quantify the roughness of signals and report it on 2D maps (in the original spatial coordinates). It se…