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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Belega, D. Dallet, D. Petri, D. |
| Copyright Year | 2009 |
| Description | Author affiliation: Faculty of Electronics and Telecommunications, ¿Politehnica¿ University of Timisoara, Romania (Belega, D.) || IMS Laboratory, University of Bordeaux-ENSEIRB, Talence, France (Dallet, D.) || Department of Ingegneria e Scienza dell'Informazione, University of Trento, Italy (Petri, D.) |
| Abstract | In this paper the influence of a stationary white noise on the estimation of a sine-wave normalized frequency by using a Weighted Multipoint Interpolated Discrete Fourier transform (WMIpDFT) method is investigated. The expression of the normalized frequency estimates uncertainty is derived in the case when a H-term maximum sidelobe decay window (H ≥ 2) is used and the number of interpolation points is 2J + 1 (J ≥ 1). Based on this expression the statistical efficiency of the WMIpDFT method with respect to the unbiased Cramer-Rao lower bound is investigated. Moreover, a constraint on the minimum number of acquired samples which ensures accurate estimates of the normalized frequency with a high confidence level is derived. All the derived expressions are validated by means of computer simulations. |
| Starting Page | 34 |
| Ending Page | 38 |
| File Size | 475642 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424435937 |
| DOI | 10.1109/AMUEM.2009.5207606 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-06 |
| Publisher Place | Romania |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | uncertainty analysis normalized frequency estimation Computer simulation Discrete Fourier transforms Laboratories multipoint interpolated DFT method Interference Frequency estimation Frequency measurement Noise measurement Interpolation maximum sidelobe decay windows Measurement uncertainty White noise |
| Content Type | Text |
| Resource Type | Article |
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