19 lines
738 B
C#
19 lines
738 B
C#
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using System;
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namespace FftSharp.Windows
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{
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public class Hamming : Window, IWindow
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{
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public override string Name => "Hamming";
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public override string Description =>
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"The Hamming window has a sinusoidal shape does NOT touch zero at the edges (unlike the similar Hanning window). " +
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"It is similar to the Hanning window but its abrupt edges are designed to cancel the largest side lobe. " +
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"It may be a good choice for low-quality (8-bit) auto where side lobes lie beyond the quantization noise floor.";
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protected override double windowValue(int index, int size)
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{
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return 0.54 - 0.46 * Math.Cos(2 * Math.PI * index / size);
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}
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}
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}
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