Shrinkage-based capon and APES for spectral estimation

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Standard

Shrinkage-based capon and APES for spectral estimation. / Yang, Jun; Ma, Xiaochuan; Hou, Chaohuan; Liu, Yicong.

I: IEEE Signal Processing Letters, Bind 16, Nr. 10, 2026203, 2009, s. 869-872.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Yang, J, Ma, X, Hou, C & Liu, Y 2009, 'Shrinkage-based capon and APES for spectral estimation', IEEE Signal Processing Letters, bind 16, nr. 10, 2026203, s. 869-872. https://doi.org/10.1109/LSP.2009.2026203

APA

Yang, J., Ma, X., Hou, C., & Liu, Y. (2009). Shrinkage-based capon and APES for spectral estimation. IEEE Signal Processing Letters, 16(10), 869-872. [2026203]. https://doi.org/10.1109/LSP.2009.2026203

Vancouver

Yang J, Ma X, Hou C, Liu Y. Shrinkage-based capon and APES for spectral estimation. IEEE Signal Processing Letters. 2009;16(10):869-872. 2026203. https://doi.org/10.1109/LSP.2009.2026203

Author

Yang, Jun ; Ma, Xiaochuan ; Hou, Chaohuan ; Liu, Yicong. / Shrinkage-based capon and APES for spectral estimation. I: IEEE Signal Processing Letters. 2009 ; Bind 16, Nr. 10. s. 869-872.

Bibtex

@article{f5b18fe302db4f6baa328ed9d9007ccd,
title = "Shrinkage-based capon and APES for spectral estimation",
abstract = "In this letter, we propose shrinkage-based Capon (S-Capon) and APES (S-APES) spectral estimators by minimizing the mean-square error (MSE) of standard Capon and APES in a linear regression framework. The proposed methods are shown to give more accurate spectral estimates but lower resolution than the methods they based on. We combine Capon with the proposed S-Capon and S-APES to overcome the resolution limit of shrinkage-based methods for estimation of both frequency and amplitude of spectral lines. The so-obtained Capon-SCapon and Capon-SAPES spectral estimators, which have about the same computational complexity as Capon, are compared with the Capon-APES (CAPES) by numerical examples. Simulations show that the Capon-SCapon performs similarly to CAPES in a wide range of signal-to-noise ratio, and the Capon-SAPES always gives more accurate spectral amplitude (less bias and lower MSE) than CAPES.",
keywords = "Amplitude and phase estimation, Capon spectral estimator, Shrinkage estimates, Spectral estimation",
author = "Jun Yang and Xiaochuan Ma and Chaohuan Hou and Yicong Liu",
year = "2009",
doi = "10.1109/LSP.2009.2026203",
language = "English",
volume = "16",
pages = "869--872",
journal = "IEEE Signal Processing Letters",
issn = "1070-9908",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "10",

}

RIS

TY - JOUR

T1 - Shrinkage-based capon and APES for spectral estimation

AU - Yang, Jun

AU - Ma, Xiaochuan

AU - Hou, Chaohuan

AU - Liu, Yicong

PY - 2009

Y1 - 2009

N2 - In this letter, we propose shrinkage-based Capon (S-Capon) and APES (S-APES) spectral estimators by minimizing the mean-square error (MSE) of standard Capon and APES in a linear regression framework. The proposed methods are shown to give more accurate spectral estimates but lower resolution than the methods they based on. We combine Capon with the proposed S-Capon and S-APES to overcome the resolution limit of shrinkage-based methods for estimation of both frequency and amplitude of spectral lines. The so-obtained Capon-SCapon and Capon-SAPES spectral estimators, which have about the same computational complexity as Capon, are compared with the Capon-APES (CAPES) by numerical examples. Simulations show that the Capon-SCapon performs similarly to CAPES in a wide range of signal-to-noise ratio, and the Capon-SAPES always gives more accurate spectral amplitude (less bias and lower MSE) than CAPES.

AB - In this letter, we propose shrinkage-based Capon (S-Capon) and APES (S-APES) spectral estimators by minimizing the mean-square error (MSE) of standard Capon and APES in a linear regression framework. The proposed methods are shown to give more accurate spectral estimates but lower resolution than the methods they based on. We combine Capon with the proposed S-Capon and S-APES to overcome the resolution limit of shrinkage-based methods for estimation of both frequency and amplitude of spectral lines. The so-obtained Capon-SCapon and Capon-SAPES spectral estimators, which have about the same computational complexity as Capon, are compared with the Capon-APES (CAPES) by numerical examples. Simulations show that the Capon-SCapon performs similarly to CAPES in a wide range of signal-to-noise ratio, and the Capon-SAPES always gives more accurate spectral amplitude (less bias and lower MSE) than CAPES.

KW - Amplitude and phase estimation

KW - Capon spectral estimator

KW - Shrinkage estimates

KW - Spectral estimation

UR - http://www.scopus.com/inward/record.url?scp=79959385857&partnerID=8YFLogxK

U2 - 10.1109/LSP.2009.2026203

DO - 10.1109/LSP.2009.2026203

M3 - Journal article

AN - SCOPUS:79959385857

VL - 16

SP - 869

EP - 872

JO - IEEE Signal Processing Letters

JF - IEEE Signal Processing Letters

SN - 1070-9908

IS - 10

M1 - 2026203

ER -

ID: 362748477