Smoothing

Spectrum Smoothing

Spectrum Smoothing
  1. What is smoothing in signal processing?
  2. What are smoothing techniques?
  3. Does smoothing reduce noise?

What is smoothing in signal processing?

In smoothing, the data points of a signal are modified so individual points higher than the adjacent points (presumably because of noise) are reduced, and points that are lower than the adjacent points are increased leading to a smoother signal.

What are smoothing techniques?

Smoothing techniques are kinds of data preprocessing techniques to remove noise from a data set. This allows important patterns to stand out. In market analysis, smoothed data is preferred because it generally identifies changes in the economy compared to unsmoothed data.

Does smoothing reduce noise?

Smoothing usually reduces the noise in a signal.

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