Journal ArticleDOI
Frequency estimator of sinusoid based on interpolation of three DFT spectral lines
Lei Fan,Guoqing Qi +1 more
TLDR
A more general form of DFT interpolation based frequency estimator based on interpolation of three discrete Fourier transform spectral lines based on sinusoid signal is proposed.About:
This article is published in Signal Processing.The article was published on 2018-03-01. It has received 47 citations till now. The article focuses on the topics: Spectral density estimation & Frequency domain.read more
Citations
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Journal ArticleDOI
Fast and Efficient Sinusoidal Frequency Estimation by Using the DFT Coefficients
TL;DR: Two methods for the frequency estimation of a complex sinusoidal in noisy environments interpolate on shifted DFT coefficients to acquire the frequency estimates iteratively, and it is shown that both of the estimators are asymptotically unbiased.
Journal ArticleDOI
Accurate Frequency Estimator of Sinusoid Based on Interpolation of FFT and DTFT
TL;DR: Simulations results demonstrate that the proposed algorithm has lower MSE than the competing algorithms, and its signal-to-noise ratio (SNR) threshold is lower compared with Candan algorithm, AM algorithm and Djukanovic algorithms.
Journal ArticleDOI
Fast and Efficient Estimation of Frequencies
TL;DR: An iterative, fast, and efficient algorithm to estimate the frequencies and amplitudes of multiple sinusoids in noisy environments and achieves the Cramér-Rao lower bound when these parameters are selected appropriately is proposed.
Journal ArticleDOI
Semi-active nonlinear vibration control of a functionally graded material rotating beam with uncertainties, using a frequency estimator
Soheil Salighe,Hossein Mohammadi +1 more
TL;DR: In this paper, a semi-active controller with adaptable parameters is developed to suppress the forced-vibration of a functionally graded material Timoshenko rotating beam with unknown parameters.
Journal ArticleDOI
Fine Doppler scale estimations for an underwater acoustic CP-OFDM system
TL;DR: Several fine Doppler scale estimation methods are proposed by interpolating the auto-correlation peak values, based on the derived expression of the expected auto-Correlation outputs corresponding to a CP-OFDM signal after the UWA channel.
References
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Journal ArticleDOI
Single tone parameter estimation from discrete-time observations
D. Rife,R. Boorstyn +1 more
TL;DR: Estimation of the parameters of a single-frequency complex tone from a finite number of noisy discrete-time observations is discussed and appropriate Cramer-Rao bounds and maximum-likelihood estimation algorithms are derived.
Journal ArticleDOI
High-Accuracy Analog Measurements via Interpolated FFT
TL;DR: In this article, interpolated fast Fourier transform (FFT) algorithms are used for multi-parameter measurements upon periodic signals, such as fundamental frequency, phase, and amplitude, with enhanced accuracy compared to existing algorithms.
Journal ArticleDOI
Estimating frequency by interpolation using Fourier coefficients
TL;DR: A technique for obtaining an estimator that has root mean square error of order T/sup -3/2/ is presented, which involves only the Fourier components of the time series at three frequencies.
Journal ArticleDOI
Iterative frequency estimation by interpolation on Fourier coefficients
Elias Aboutanios,Bernard Mulgrew +1 more
TL;DR: This paper proposes and analyzes two new frequency estimators that interpolate on the Fourier coefficients of the received signal samples that achieve identical asymptotic performances.
Journal ArticleDOI
Use of the discrete fourier transform in the measurement of frequencies and levels of tones
D. C. Rife,G. A. Vincent +1 more
TL;DR: Simulation results indicate that, through the use of a proper weighting function, a DFT measurement system that uses 512 samples taken at a sampling frequency of 7040 Hz can be designed so that the maximum error in the frequency estimates of two tones near 1000 Hz and separated by approximately 50 Hz is about 0.03 Hz.
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Iterative frequency estimation by interpolation on Fourier coefficients
Elias Aboutanios,Bernard Mulgrew +1 more