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Least-squares spectral analysis is a mathematical technique used to analyze and interpret periodic signals in various fields such as geophysics, biology, engineering, and finance. The primary purpose of least-squares spectral analysis is to estimate the power spectrum of a signal or time series, allowing researchers to identify dominant frequencies and their amplitudes.

Ancestors (5)

  1. Linear algebra
  2. Algebra
  3. Fields of mathematics
  4. Mathematics
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