Practical choices in the FRF measurement in presence of nonlinear distortions

Tadeusz P. Dobrowiecki, Johan Schoukens

Research output: Contribution to conferencePaper

7 Citations (Scopus)

Abstract

The frequency Responce Function (FRF) of the best linear approximation to a nonlinear system is usually measured by averaging system responces to a normally distributed, filtered and clipped random excitation (Gaussian noise). This signal is compared to the multisine signal with random phases. It is shown that a random phase multisine signal defined over an even-odd frequency grid is superior to the Gaussian signal in terms of the variance and the bias of the measured FRF of the approximated nonlinear system.

Original languageEnglish
Pages922-927
Number of pages6
Publication statusPublished - Jan 1 1999
EventProceedings of the 1999 16th IEEE Instrumentation and Measurement Technology Conference, IMTC/99 - Measurements for the new Millenium - Venice, Italy
Duration: Jun 24 1999Jun 26 1999

Other

OtherProceedings of the 1999 16th IEEE Instrumentation and Measurement Technology Conference, IMTC/99 - Measurements for the new Millenium
CityVenice, Italy
Period6/24/996/26/99

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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    Dobrowiecki, T. P., & Schoukens, J. (1999). Practical choices in the FRF measurement in presence of nonlinear distortions. 922-927. Paper presented at Proceedings of the 1999 16th IEEE Instrumentation and Measurement Technology Conference, IMTC/99 - Measurements for the new Millenium, Venice, Italy, .