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Contents
module SPCore
# Produces a Hamming window of a given size (number of samples).
# For more info, see https://en.wikipedia.org/wiki/Window_function#Hamming_window.
class HammingWindow
attr_reader :data
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
end
end
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9 entries across 9 versions & 1 rubygems