2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2014
DOI: 10.1109/icassp.2014.6853754
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Joint sparsity and frequency estimation for spectral compressive sensing

Abstract: Parameter estimation from compressively sensed signals has recently received some attention. We here also consider this problem in the context of frequency sparse signals which are encountered in many application. Existing methods perform the estimation using finite dictionaries or incorporate various interpolation techniques to estimate the continuous frequency parameters. In this paper, we show that solving the problem in a probabilistic framework instead produces an asymptotically efficient estimator which … Show more

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Cited by 5 publications
(8 citation statements)
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“…Frequency estimation of a sinusoid from compressed measurements given the additive white Gaussian noise (AWGN) case has been addressed in the literature [20][21][22][23]. In [20], ML estimation by grid search optimization is proposed such that the frequency estimate is that which maximizes a cost function.…”
Section: Introductionmentioning
confidence: 99%
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“…Frequency estimation of a sinusoid from compressed measurements given the additive white Gaussian noise (AWGN) case has been addressed in the literature [20][21][22][23]. In [20], ML estimation by grid search optimization is proposed such that the frequency estimate is that which maximizes a cost function.…”
Section: Introductionmentioning
confidence: 99%
“…In [20], ML estimation by grid search optimization is proposed such that the frequency estimate is that which maximizes a cost function. In [21], a Newton-like algorithm is used to further refine the estimate after grid search, whereas the ML estimator in [22] requires a course-fine grid search. In [23], frequency estimation from compressed measurements is cast as a linear least squares problem.…”
Section: Introductionmentioning
confidence: 99%
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“…Thus, in this paper we sometimes use the term "frequency estimation" to refer to distance-velocity estimation. The application of CS for frequency estimation is discussed in [12]- [14].…”
Section: Introductionmentioning
confidence: 99%
“…China. This work was partially supported by NSFC under grant number 61171171. order selection [33], [34], which can be solved efficiently using greedy methods.…”
Section: Introductionmentioning
confidence: 99%