power_spectrum() [2/2]

MAYAFLUX_API std::vector< double > MayaFlux::power_spectrum	(	const std::vector< double > &	data,
		size_t	window_size = 0
	)

Compute power spectrum for single-channel data.

Parameters

data	Input time-domain data
window_size	FFT size (0 = use data size)

Returns

Power spectrum (magnitude squared)

Definition at line 690 of file Yantra.cpp.

{
    auto a = std::make_shared<Yantra::StandardEnergyAnalyzer>();
    a->set_energy_method(Yantra::EnergyMethod::POWER);
    if (window_size > 0)
        a->set_window_parameters(window_size, window_size / 2);
    return a->analyze_energy({ Kakshya::DataVariant(data) }).channels[0].energy_values;
}

References a, and MayaFlux::Yantra::POWER.