Efficient frequency estimation of a single real tone based on principal singular value decomposition
Section snippets
H.C. So was born in Hong Kong. He obtained the B.Eng. degree from City University of Hong Kong and the Ph.D. degree from The Chinese University of Hong Kong, both in electronic engineering, in 1990 and 1995, respectively. From 1990 to 1991, he was an Electronic Engineer at the Research and Development Division of Everex Systems Engineering Ltd., Hong Kong. During 1995–1996, he worked as a Post-Doctoral Fellow at The Chinese University of Hong Kong. From 1996 to 1999, he was a Research Assistant
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Frequency estimation of a single real-valued sinusoid: An invariant function approach
2021, Signal ProcessingCitation Excerpt :The main advantage of the approach is its estimation accuracy in spite of its low computational complexity. Specifically for the frequency estimation problem, higher complexity methods utilize the maximum likelihood search, eigen or subspace decompositions, Kenefic and Nuttall [3], So et al. [4], So et al. [5]; while the suggested approach is based on transforming the input to Discrete Fourier Transform (DFT) domain and constructing a function of the Fourier spectrum samples which is invariant to the nuisance parameters of the problem. We describe an invariant function approach for the parameter estimation problem and apply the approach on the problem of frequency estimation of real-valued sinusoids observed under AWGN noise.
Fast procedures for accurate parameter estimation of sine-waves affected by noise and harmonic distortion
2021, Digital Signal Processing: A Review JournalCitation Excerpt :Moreover the required processing effort is quite high [3,4]. Other state-of-the-art time-domain algorithms, such as estimators based on linear prediction [5,6], singular value decomposition [7], or autocorrelation [8] are affected by the same drawbacks. Time-domain methods widely adopted in Analog-to-Digital (ADC) testing are the three-parameter sine-fit (3PSF) and the four-parameter sine-fit (4PSF) algorithms [1,2,9–12], which are named according to the number of parameters to be estimated.
A sliding-window DFT based algorithm for parameter estimation of multi-frequency signal
2020, Digital Signal Processing: A Review JournalCitation Excerpt :Estimating the parameters of a multi-frequency signal, including frequency, amplitude, phase angle, etc., has attracted considerable research interest due to its demand and importance in applications, such as channel sounding, power quality analysis, conformance test and wireless communication systems. A number of estimators have been proposed: discrete Fourier transform (DFT) [1–21], wavelet transform (WT) [22,23] based methods, Hilbert-Huang transform (HHT) [24], singular value decomposition (SVD) [25], QR decomposition [26], estimation of signal parameters via rotational invariance technique (ESPRIT) [27,28], multiple signal classification (MUSIC) [29–31] and the Prony method [32–35]. According to the linear prediction (LP) property, the smart discrete Fourier transform (SDFT) is presented to estimate the frequency of a real-valued sinusoidal signal [11–15].
Effect of windowing and noise on the amplitude and phase estimators returned by the Taylor-based Weighted Least Squares
2018, Digital Signal Processing: A Review JournalCitation Excerpt :They can be classified either as time-domain or frequency-domain based algorithms. Time-domain based methods, such as the Pisarenko method [1,2], the maximum likelihood methods [3,4], the singular value decomposition method [5], and the sine-fit algorithms [6–8], exhibit high frequency selectivity, but require a high processing effort. Moreover, they are sensitive to the model adopted to describe the acquired signal.
Sine-wave parameter estimation by interpolated DFT method based on new cosine windows with high interference rejection capability
2014, Digital Signal Processing: A Review JournalFrequency estimation of a sinusoidal signal via a three-point interpolated DFT method with high image component interference rejection capability
2014, Digital Signal Processing: A Review JournalCitation Excerpt :To estimate this parameter different time-domain and frequency-domain methods have been developed [1–21]. When the Signal-to-Noise Ratio (SNR) is low, the parametric (model-based) methods [1,3–7], the Maximum Likelihood (ML) approach [2,8], or the so-called robust Discrete Fourier Transform (DFT) based methods [9–11] are expected to provide better performances. Conversely, when sinusoidal signals with high SNRs are concerned, as often occurs in fields like instrumentation and measurements, the standard DFT-based methods are normally preferred.
H.C. So was born in Hong Kong. He obtained the B.Eng. degree from City University of Hong Kong and the Ph.D. degree from The Chinese University of Hong Kong, both in electronic engineering, in 1990 and 1995, respectively. From 1990 to 1991, he was an Electronic Engineer at the Research and Development Division of Everex Systems Engineering Ltd., Hong Kong. During 1995–1996, he worked as a Post-Doctoral Fellow at The Chinese University of Hong Kong. From 1996 to 1999, he was a Research Assistant Professor at the Department of Electronic Engineering, City University of Hong Kong, where he is currently an Associate Professor. His research interests include statistical signal processing, fast and adaptive algorithms, signal detection, parameter estimation, and source localization. He has been on the editorial boards of IEEE Transactions on Signal Processing, Signal Processing, Digital Signal Processing and ISRN Applied Mathematics as well as a member in Signal Processing Theory and Methods Technical Committee of the IEEE Signal Processing Society.
Frankie K.W. Chan received the B.Eng. degree in computer engineering and the Ph.D. degree from the City University of Hong Kong in 2002 and 2008, respectively. He is currently a Research Fellow in the same university. His research interests include parameter estimation, optimization and distributed processing, with particular attention to frequency estimation and node localization in wireless sensor network.
Weize Sun received the B.S. degree in Electronic Information Science and Technology from SUN YAT-SEN University, China, in 2005. He is currently a Research Student in City University of Hong Kong. His research interests include statistical signal processing, parameter estimation, tensor algebra, with particular attention to frequency estimation.