1/29/2024 0 Comments Coherence vs correlation![]() Returns : This method returns the following-ġ) Cxy: This returns the coherence vector.Ģ) freqs: This returns the frequencies for the elements in Cxy. Scale by freq: This parameter allows for integration over the returned frequency values.ĩ) overlap : This parameter is the number of points of overlap between blocks.ġ0) Fc : This parameter is the center frequency of x. Its default value is 0ħ) NFFT: This parameter contains the number of data points used in each block for the FFT.Ĩ) detrend: This parameter contains the function applied to each segment before fft-ing, designed to remove the mean or linear trend. This can have the following values: ‘default’, ‘one-sided’, and ‘two-sided’.ĥ) pad_to : This parameter contains the integer value to which the data segment is padded.Ħ) Fc: This parameter also contains the integer value to offsets the x extents of the plot to reflect the frequency range. Its default value is window_hanning()Ĥ) sides: This parameter specifies which sides of the spectrum to return. Parameters: This method accepts the following parameters-Ģ) Fs: It is a scalar parameter and its default value is 2,ģ) window: This parameter takes a data segment as an argument and returns the windowed version of the segment. First order correlation is actually the amplitude-amplitude correlation and the second order correlation is the intensity-intensity correlation. The numerical calculation of these functions directly from.
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