Abstract
A new algorithm, the finite-difference algorithm, is proposed for single-component polynomial phase signal parameter estimation. The proposed algorithm takes advantage of the framework of the quasi-maximum-likelihood (QML) estimator but estimates the finite difference of the polynomial instead of the derivative. The algorithm is computationally simpler and has comparable performance to the QML algorithm. A phase centering step is proposed to increase the detectable range of polynomial phase parameters as an alternative to phase unwrapping.
| Original language | English (US) |
|---|---|
| Article number | 8691509 |
| Pages (from-to) | 57-66 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Aerospace and Electronic Systems |
| Volume | 56 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 2020 |
Keywords
- Finite difference
- parameter estimation
- phase estimation
- phase unwrapping
- polynomial phase signals (PPSs)
ASJC Scopus subject areas
- Aerospace Engineering
- Electrical and Electronic Engineering
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