Sensitivity analysis of the Capon beamformer

被引：1

作者：

Mathur, S ^{[1
]}

Reddy, DC ^{[1
]}

Yoganandam, Y ^{[1
]}

机构：

[1] OSMANIA UNIV,RES & TRAINING UNIT NAVIGAT ELECTR,HYDERABAD 500007,ANDHRA PRADESH,INDIA

来源：

IETE TECHNICAL REVIEW | 1994年 / 11卷 / 04期

关键词：

D O I：

10.1080/02564602.1994.11437462

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A first-order analysis of the sensitivity of the Capon beamformer to look-direction errors which causes differences between the look-direction vector used by the Capon beamformer and the true look-direction vector is presented in this paper. Expressions for the sensitivity function of the beam pattern with respect to the said error are obtained and analysed by varying (i) number of sensors, (ii) source powers and (iii) location of the desired source. With the aid of these sensitivity functions, the effect of look-direction errors on the beam pattern and on SINR performance was studied and tested by simulation. This analysis assumes that the exact covariance matrix of array element outputs is known (the infinite data case).

引用

页码：223 / 229

页数：7

共 50 条

[41] Capon's Beamformer and Minimum Mean Square Error Beamforming Techniques in Direction of Arrival Estimation
Kilic, Berkan
Arikan, Orhan
29TH IEEE CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATIONS APPLICATIONS (SIU 2021), 2021,
[42] Estimation of angle of arrival in a discrete random scattering environment using a Capon beamformer with a compensation matrix
Jaruwatanadilok, Sermsak
Ishimaru, Akira
WAVES IN RANDOM AND COMPLEX MEDIA, 2009, 19 (02) : 262 - 277
[43] Passive acoustic mapping of cavitation using eigenspace-based robust Capon beamformer in ultrasound therapy
Lu, Shukuan
Hu, Hong
Yu, Xianbo
Long, Jiangying
Jing, Bowen
Zong, Yujin
Wan, Mingxi
ULTRASONICS SONOCHEMISTRY, 2018, 41 : 670 - 679
[44] MSE of Diagonally Loaded Capon Beamformer-based Power Spectrum Estimator in Snapshot Deficient Regime
Pajovic, Milutin
Preisig, James C.
Baggeroer, Arthur B.
2012 CONFERENCE RECORD OF THE FORTY SIXTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS (ASILOMAR), 2012, : 207 - 211
[45] Dual apodization with cross-correlation combined with robust Capon beamformer applied to ultrasound passive cavitation mapping
Lu, Shukuan
Li, Renyan
Zhao, Yan
Yu, Xianbo
Wang, Diya
Wan, Mingxi
MEDICAL PHYSICS, 2020, 47 (05) : 2182 - 2196
[46] Analysis of a decision directed beamformer
Swindlehurst, AL
Daas, S
Yang, JK
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1995, 43 (12) : 2920 - 2927
[47] ANALYSIS OF A PURINA FRACTAL BEAMFORMER
Karagiannakis, P.
Weiss, S.
2013 ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, 2013, : 466 - 470
[48] Analysis for Capon and MUSIC DOA Estimation Algorithms
Weber, Raymond J.
Huang, Yikun
2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6, 2009, : 297 - 300
[49] Performance analysis of the Bayesian beamformer
Lam, CJ
Singer, AC
2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL II, PROCEEDINGS: SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING SIGNAL PROCESSING THEORY AND METHODS, 2004, : 197 - 200
[50] Beamformer analysis of MEG data
Hillebrand, A
Barnes, GR
MAGNETOENCEPHALOGRAPHY, 2005, 68 : 149 - +

← 1 2 3 4 5 →