Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 51, Issue 2, Pages 337-341Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/19.997834
Keywords
harmonic distortion; measurement; nonlinearities; signal detection; statistics
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This paper presents a method to automatically select the significant harmonics in spectra measured with the nonlinear vectorial network analyzer (NVNA). This stochastic selection criterion which is based on the t(2) -distribution, allows saving and calibrating all of the significant spectral components, without the need for wild guessing of the number of signal- containing harmonics in the measured data. To enhance the sensitivity of the algorithm, a combined selection method is proposed. The usefulness of the method is proven on amplifier measurements performed by an NVNA.
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