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Low-frequency part of the clutter in the spectrogram of the magnetic field #127

Description

@MikeyLiYufei

Step 1: Latest code?

  • [yes] This issue is present in the most recent code (i.e. after running git pull this is still a problem).

Step 2: Describe your environment

  • irfu-matlab branch: master__
  • Matlab version used: Matlab R2023a____
  • Operating system: Windows 10__
  • [yes] A 64-bit installation of Matlab was used.

Step 3: Describe the problem

Expected behavior

I would like to view the magnetic field spectrogram of the low-frequency portion using “Example_MMS_EBfields” for wavelet analysis.

Actual behavior

The magnetic field spectrogram has a lot of clutter in the 0.4-4hz range, even so much so that it's in every picture for every time period. I think this may not be an anomaly in the data itself, but is it possible that some specific parameters in the function irf_wavelet need to be modified when doing the Low frequency wavelet analysis. Have you encountered this and is there any solution?

Steps to reproduce:

fmin = 0.01; fmax = 10; %Hz
Other settings are the same as in the example

pic

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