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External Function norm_fft


Copyright (C) 2005 IENT-RWTH Aachen

template<class G1,class G2> inline void norm_fft(const Vector<G1> &XVector<G2> &Y)
template<class G> inline typename DenseVector<typename complex_traits<typename Vector<G>::value_type>::value_type>::self norm_fft(const Vector<G> &X)

FFT squared magnitude of a signal, energy spectrum

Parameters

Output argumentY

The FFT squared magnitude

X

The signal

Returns

Dense array of real elements

Example

DenseVector<complex<float> >::self X(4, 1);
DenseVector<float>::self Y;
Y=norm_fft(X);

See Also

fft, abs_fft