power_spectrum_per_channel()

MAYAFLUX_API std::vector< std::vector< double > > MayaFlux::power_spectrum_per_channel	(	const std::vector< Kakshya::DataVariant > &	channels,
		size_t	window_size = 0
	)

Compute power spectrum per channel for multi-channel data.

Parameters

channels	Vector of channel data
window_size	FFT size (0 = use data size)

Returns

Vector of power spectra, one per channel

Definition at line 737 of file Yantra.cpp.

{
    auto energy_analyzer = std::make_shared<Yantra::StandardEnergyAnalyzer>();
    energy_analyzer->set_energy_method(Yantra::EnergyMethod::POWER);
    if (window_size > 0) {
        energy_analyzer->set_window_parameters(window_size, window_size / 2);
    }
    auto result = energy_analyzer->analyze_energy(channels);
 
    std::vector<std::vector<double>> spectra;
    for (const auto& channel : result.channels) {
        spectra.push_back(channel.energy_values);
    }
    return spectra;
}

References MayaFlux::Yantra::POWER.