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- Title
Combined digital filtering of harmonic content of phase-shift keyed signals in the problem of estimation of the time delay.
- Authors
Loginov, A.; Morozov, O.; Soldatov, E.; Khmelev, S.
- Abstract
We propose a two-step method for digital filtering of phase-shift keyed signals filtering in the problem of determination of the time delay during the multichannel propagation. The first step is realized as an information-optimal linear filter with complex coefficients, while the second step, as a quadratic filter based on the minimum-variance criterion. The e.ciency of the proposed method is demonstrated for short PSK signals with various carrier frequencies against the background of additive and multiplicative noise. The developed algorithm can easily be implemented in real time on the basis of a digital signal processor.
- Subjects
TIME delay systems; MULTICHANNEL communication; NOISE; ALGORITHMS; DIGITAL signal processing
- Publication
Radiophysics & Quantum Electronics, 2007, Vol 50, Issue 3, p235
- ISSN
0033-8443
- Publication type
Article
- DOI
10.1007/s11141-007-0020-1