A Gerschgorin Radii Based Source Number Detection : Analysis and Simulations (Special Section on Digital Signal Processing)

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概要

• 論文の詳細を見る

• In this paper, we first analyze the resolution performance of the Gerschgorin radii based source number estimator (GDE, Gerschgorin Disk Estimator) proposed in [1] for independent closely-spaced plane waves. Based upon this analysis, we verify the resolution threshold of the Gerschgorin radii based method for two sources. New close-form expressions of the Gerschgorin radii are formulated and examined. For improvement of detection performance, we then further propose a enhanced GDE method (EGDE). Examples and comparisons with methods based on Gerschgorin radii and weighted Gerschgorin radii, as well as conventional methods are included. Finally, multi-source and/or closely spaced source problems are discussed.

• 社団法人電子情報通信学会の論文
• 1996-08-25

著者

• Wu H‐t

  Southern Taiwan Univ. Technol. Tainan County Twn

• WU Hsien-Tsai

  Department of Electrical Engineering, National Cheng Kung University

• YANG Jar-Ferr

  Department of Electrical Engineering, National Cheng Kung University

• Yang J‐f

  National Cheng Kung Univ. Twn

• Yang Jar-ferr

  Department Of Electrical Engineering National Cheng Kung University

• Yang Jar-ferr

  The Authors Are With The Department Of Electrical Engineering National Cheng Kung University

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