Sha256: b59c246a3099933325a98f76c8edc958f6f16104e166945bb13b1bbcf3d7691c
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Size: 771 Bytes
Versions: 7
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Stored size: 771 Bytes
Contents
## # kaiser Window # Used to improve digital filters by using a non-retangular frequency domain window # NOT COMPLETE # TODO: Finish this Window class Digiproc::KaiserWindow < Digiproc::WindowStrategy def initialize(size: , stopband_db: nil, beta: nil) raise ArgumentError.new("Must have a stopband or a beta") if stopband_db.nil? && beta.nil? super(size: size) size = @size @equation = lambda { |n| } calculate @values = @values.take(@size) end def beta_for_db(db) if db <= 21 return 0 elsif db < 50 return 0.5842*((db - 21) ** 0.4) + 0.07886 * (db - 21) else return 0.1102*(db - 8.7) end end end
Version data entries
7 entries across 7 versions & 1 rubygems