change noise from uniform to gaussian

[sampan501]

N/A

Changes proposed in this pull request:

• Changes noise from uniform to Gaussian

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2d96df2) 88.48% compared to head (a680d68) 88.48%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #223   +/-   ##
=======================================
  Coverage   88.48%   88.48%           
=======================================
  Files          54       54           
  Lines        4891     4891           
=======================================
  Hits         4328     4328           
  Misses        563      563           

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