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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Pu Wang Hongbin Li Himed, B. |
| Copyright Year | 2010 |
| Description | Author affiliation: AFRL/RYRT, 2241 Avionics Circle, Bldg 620, Dayton, OH 45433, USA (Himed, B.) || Department of ECE, Stevens Institute of Technology, Hoboken, NJ 07030, USA (Pu Wang; Hongbin Li) |
| Abstract | This paper makes use of local polynomial Wigner-Ville distribution (LPWVD), originally designed for nonparametric instantaneous frequency (IF) estimation of transient signals, to propose a parametric IF estimation for polynomial phase signals (PPSs). Statistical performance such as asymptotic bias and variance of the LPWVD-based parametric IF estimator is derived in closed-form. Based on the analytical results, we extend the statistical efficiency of the Wigner-Ville distribution (WVD) for a second-order PPS only to that of the LP-WVD for an arbitrary order, when the IF is estimated at the middle of sample observations. Simulation results verify the analytical performance and comparisons with the polynomial Wigner-Ville distribution (PWVD) show that the LPWVD-based parametric IF estimator can provide better performance. |
| Starting Page | 184 |
| Ending Page | 187 |
| File Size | 420061 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424473663 |
| e-ISBN | 9781424473687 |
| DOI | 10.1109/ICEAA.2010.5652980 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-09-20 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | polynomial-phase signal Parametric method Analytical models Estimation instantaneous frequency Polynomials Frequency estimation Signal to noise ratio |
| Content Type | Text |
| Resource Type | Article |
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