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Spectral Measurements

Channel power, bandwidth, mean frequency, median frequency, harmonic distortion

Use obw and powerbw to find the 90% occupied and 3-dB bandwidths of a signal. Compute the mean or median frequency of a power spectrum. Estimate the power over a given frequency band. Measure harmonic distortion. Estimate instantaneous frequency, spectral entropy, and spectral kurtosis.


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bandpowerBand power
enbwEquivalent noise bandwidth
instfreqEstimate instantaneous frequency
meanfreqMean frequency
medfreqMedian frequency
obwOccupied bandwidth
pentropySpectral entropy of signal
pkurtosisSpectral kurtosis from signal or spectrogram
powerbwPower bandwidth
signalFrequencyFeatureExtractorStreamline signal frequency feature extraction
sfdrSpurious free dynamic range
signalTimeFeatureExtractorStreamline signal time feature extraction
sinadSignal to noise and distortion ratio
snrSignal-to-noise ratio
thdTotal harmonic distortion
toiThird-order intercept point