class SPCore::HammingWindow
Produces a Hamming window of a given size (number of samples). For more info, see en.wikipedia.org/wiki/Window_function#Hamming_window.
Attributes
data[R]
Public Class Methods
new(size)
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# File lib/spcore/windows/hamming_window.rb, line 6 def initialize size @data = Array.new size alpha = 0.54 beta = 1.0 - alpha size.times do |n| @data[n] = alpha - (beta * Math::cos((TWO_PI * n) / (size - 1))) end end