The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Improved instantaneous frequency estimation using an adaptive short-time Fourier transform
Abstract
Instantaneous frequency estimation (IFE) arises in a variety of important applications, including FM demodulation. We present here a new time-frequency representation (TFR)-based approach to IFE based on an adaptive short-time Fourier transform (ASTFT). This TFR leads naturally to a type of short-term ML estimator of the IF. To further improve the performance, we apply a multistate hidden Markov model (HMM)-based post-estimation tracker. The end result is up to a 16-dB reduction in the threshold SNR over the frequency discriminator (FD) and an 8-dB improvement over the phase-locked loop (PLL) for a Rayleigh fading channel.
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Cites
An introduction to hidden Markov models
Rabiner, L., & Juang, B. (1986) · IEEE ASSP Magazine · doi:10.1109/massp.1986.1165342 · Cited by 4,775
Cited by
Dynamics Assessment of Advanced Single-Phase PLL Structures
Golestan, S., Monfared, M., Freijedo, F. D., & Guerrero, J. M. (2013) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2012.2193863 · Cited by 371
Short-time fourier transform: two fundamental properties and an optimal implementation
Durak, L., & Arikan, O. (2003) · IEEE Transactions on Signal Processing · doi:10.1109/tsp.2003.810293 · Cited by 345
Metadata
- Authors
- Kwok, H. K., & Jones, D. L.
- Venue
- IEEE Transactions on Signal Processing
- Published
- 2000
- Volume
- 48
- Issue
- 10
- Pages
- 2964-2972
- ISSN
- 1053-587X (ISSN-L)
- OpenAlex
- W2114492997
- Cited by
- 293
- References
- 1
- FWCI
- 4.33
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kwok, H. K., & Jones, D. L. (2000). Improved instantaneous frequency estimation using an adaptive short-time Fourier transform. IEEE Transactions on Signal Processing. https://doi.org/10.1109/78.869059
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