Title :
A comparison between different methods for the spectral analysis of experimentally obtained waveforms
Author :
Slonim, M.A. ; Slonim, T.-Y.
Author_Institution :
Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Abstract :
Spectral analysis of functions obtained experimentally by three different methods is carried out. The methods are discrete Fourier transform (DFT), improved DFT, and a new method based on the classical Fourier analysis method. The analyzed waveforms are observed once as a sequence of samples (theoretical representation), and once as a sample and hold function (physical representation). The main points of the analysis are: calculation of the spectra using the different methods; obtaining approximated functions by the summation of the derived harmonics; and estimation of the errors in the approximation
Keywords :
Fourier analysis; fast Fourier transforms; spectral analysis; waveform analysis; approximated functions; classical Fourier analysis method; derived harmonics; discrete Fourier transform; improved DFT; sample and hold function; spectral analysis; Discrete Fourier transforms; Estimation error; Frequency; Independent component analysis; Neodymium; Signal analysis; Spectral analysis; Tiles;
Conference_Titel :
Circuits and Systems, 1992., Proceedings of the 35th Midwest Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-0510-8
DOI :
10.1109/MWSCAS.1992.271346
