Title :
Leakage Reduction in Frequency-Response Function Measurements
Author :
Schoukens, Johan ; Rolain, Yves ; Pintelon, Rik
Author_Institution :
Dept. of Electr. Meas., Vrije Univ., Brussels
Abstract :
This paper analyzes how to reduce leakage errors in frequency-response function (FRF) measurements. First, the nature of leakage errors is revealed; next, windowing methods are analyzed, and a new default window is proposed. Finally, a superior Taylor-series-based method is proposed
Keywords :
frequency response; measurement errors; noise; series (mathematics); spectral analysis; default window; frequency-response function measurements; leakage errors; leakage reduction; superior Taylor series-based method; windowing methods; Discrete Fourier transforms; Electric variables measurement; Frequency estimation; Frequency measurement; Length measurement; Noise measurement; Noise reduction; Psychology; Spectral analysis; Transfer functions; Frequency-response function (FRF) methods; leakage; windows;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.2006.887034