org.das2.math.fft.FFTUtil

FFTUtil( )

fft

fft( org.das2.math.fft.GeneralFFT fft, org.das2.dataset.VectorDataSet vds, Units units ) → Double

Parameters

fft - a GeneralFFT
vds - a VectorDataSet
units - an Units

Returns:

org.das2.math.fft.ComplexArray.Double

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fftPower

fftPower( org.das2.math.fft.GeneralFFT fft, org.das2.dataset.VectorDataSet vds ) → VectorDataSet

Parameters

fft - a GeneralFFT
vds - a VectorDataSet

Returns:

org.das2.dataset.VectorDataSet

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fftPower( org.das2.math.fft.GeneralFFT fft, org.das2.dataset.VectorDataSet vds, org.das2.dataset.VectorDataSet weights ) → VectorDataSet

getFrequencyDomainTags

getFrequencyDomainTags( double fs, int size ) → double[]

Parameters

fs - the sampling frequency
size - an int

Returns:

the frequencies of the bins

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getWindow10PercentEdgeCosine

getWindow10PercentEdgeCosine( int size ) → VectorDataSet

Parameters

size - an int

Returns:

org.das2.dataset.VectorDataSet

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getWindowUnity

getWindowUnity( int size ) → VectorDataSet

Parameters

size - an int

Returns:

org.das2.dataset.VectorDataSet

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