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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mirri, D. Iuculano, G. Pasini, G. Filicori, F. Peretto, L. |
| Copyright Year | 1998 |
| Description | Author affiliation: Dipt. di Ingegneria Elettrica, Bologna Univ., Italy (Mirri, D.) |
| Abstract | This paper describes a power spectrum analyzer whose bandwidth is not limited by the mean sampling time. The procedure is based on the estimation of the spectral components of the autocorrelation function of the input signal through the simultaneous random sampling of the given input signal and its randomly "delayed copy". The samples are therefore randomly taken in a double-dimension space, time and delay. By using a random process in the time domain with a recursive mean previously introduced by the authors in order to avoid any bandwidth limitation due to the sampling strategy, it was shown both theoretically and through simulation that the estimate of the power spectral components is asymptotically unbiased on the unique hypothesis of a synchronized random sampling in the delay domain, i.e. the sampling delays are uniformly distributed in an interval equal to the period of the input signal. The simulation results confirm the theoretical findings. |
| Starting Page | 651 |
| Ending Page | 656 |
| File Size | 461958 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780347978 |
| ISSN | 10915281 |
| DOI | 10.1109/IMTC.1998.679873 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-05-18 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Spectral analysis Sampling methods Delay effects Delay estimation Bandwidth Signal sampling Autocorrelation Random processes Recursive estimation Signal processing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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