blackman()

std::vector< double > MayaFlux::Kinesis::Discrete::blackman

(

size_t

n

)

Blackman taper coefficients.

Parameters

n	Length in samples

Returns

Coefficient vector of length n

Definition at line 35 of file Taper.cpp.

{
    if (n == 0)
        return {};
    if (n == 1)
        return { 1.0 };
    std::vector<double> w(n);
    const double scale = std::numbers::pi * 2.0 / static_cast<double>(n - 1);
    for (size_t i = 0; i < n; ++i) {
        const double x = scale * static_cast<double>(i);
        w[i] = 0.42 - 0.5 * std::cos(x) + 0.08 * std::cos(2.0 * x);
    }
    return w;
}

References MayaFlux::Kinesis::scale().

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