Class: Cowboy::Hamming

Inherits:
Object
  • Object
show all
Defined in:
lib/cowboy/hamming.rb

Instance Method Summary collapse

Constructor Details

#initialize(n) ⇒ Hamming

Returns a new instance of Hamming.



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# File 'lib/cowboy/hamming.rb', line 2

def initialize(n)
  @n = n
  create_kernel
end

Instance Method Details

#convolve(arr) ⇒ Object 



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# File 'lib/cowboy/hamming.rb', line 7

def convolve(arr)
  raise "Array smaller than window size" if arr.size < @n
  a = []
  for i in (0...(arr.size - (@n - 1)))
    n = 0.0
    for j in (0...@n)
      c = @kernel[j] * arr[i+j]
      n += c
    end
    a << n
  end
  return a
end