The Hann function, also known as the Hann window or Hann taper, is a type of window function used in signal processing to reduce spectral leakage when performing a Fourier transform on a finite-length signal. The Hann window is particularly useful in applications such as audio signal processing, vibration analysis, and other fields that require frequency analysis of signals. The mathematical expression for the Hann window function is defined as follows: \[ w(n) = 0.
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