Title :
Broadband versus stepped sine FRF measurements
Author :
Schoukens, J. ; Pintelon, R. ; Rolain, Y.
Author_Institution :
Dept. ELEC, Vrije Univ., Brussels, Belgium
Abstract :
In this paper the required measurement time to measure a transfer function (frequency response function) with a specified accuracy is analysed. The waiting time that is needed to balance the transient induced errors against the noise errors is calculated. This allows to decide under what conditions broadband measurements are faster than stepped sine measurements
Keywords :
Chebyshev filters; discrete time filters; frequency response; linear systems; measurement errors; signal sampling; spectral analysis; transfer functions; transient response; broadband measurements; discrete time system; frequency response function measurement; impulse response; intermediate situation; linear dynamic system; low-pass Chebyshev filter; noise errors; required measurement time; stepped sine measurements; transfer function; transient induced errors; waiting time; Digital signal processing; Discrete Fourier transforms; Filters; Frequency measurement; Noise level; Noise measurement; Signal processing algorithms; Signal to noise ratio; Time measurement; Transfer functions;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1999. IMTC/99. Proceedings of the 16th IEEE
Conference_Location :
Venice
Print_ISBN :
0-7803-5276-9
DOI :
10.1109/IMTC.1999.777023
