Class: Noyes::HammingWindow
 Inherits:

Object
 Object
 Noyes::HammingWindow
 Includes:
 Math, NoyesFilterDSL
 Defined in:
 lib/ruby_impl/hamming_window.rb,
lib/common/noyes_dsl.rb
Overview
Takes a m x n matrix and multiples each inner array by a hamming window function. Be careful to make sure your inner array length is the same as the window size.
Instance Method Summary (collapse)
  (Object) <<(segments)

 (HammingWindow) initialize(window_size)
constructor
A new instance of HammingWindow.
Methods included from Math
#dot_product, log2, max, min
Methods included from NoyesFilterDSL
Constructor Details
 (HammingWindow) initialize(window_size)
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# File 'lib/ruby_impl/hamming_window.rb', line 7 def initialize window_size twopi = 2 * PI @hamming_window = [] window_size.times do i @hamming_window << 0.54  0.46*cos(twopi*i/(window_size1)) end end 
Instance Method Details
 (Object) <<(segments)
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# File 'lib/ruby_impl/hamming_window.rb', line 14 def << segments segments.map do s s.zip(@hamming_window).map {d, h d*h} end end 