使用二阶锥规划的阵列插值鲁棒技术

信号处理 Pub Date : 2001-08-06 DOI:10.1109/SSP.2001.955261

M. Pesavento, A. Gershman, Z. Luo

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引用次数: 0

摘要

我们考虑了Friedlander(1993)的阵列插值技术，该技术在多源场景中的主要缺点是它不能对到达指定插值扇区以外的源提供足够的鲁棒性。我们提出了一种新的结合鲁棒性的插值方法。我们的技术将感兴趣扇区内的插值误差最小化，同时在扇区外设置多个“阻带”约束，以防止扇区外源引起的性能下降影响。基于这种鲁棒的阵列插值方法，我们利用二阶锥(SOC)编程开发了插值矩阵设计问题的凸公式。

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A robust technique for array interpolation using second-order cone programming

We consider Friedlander's(1993) array interpolation technique, whose main shortcoming in multi-source scenarios is that it does not provide sufficient robustness against sources arriving outside specified interpolation sectors. We propose a new interpolation approach which incorporates such robustness property. Our technique minimizes the interpolation error inside the sector of interest while setting multiple "stopband" constraints outside this sector to prevent performance degradation effects caused by out-of-sector sources. Based on such robust approach to array interpolation, we develop convex formulations of the interpolation matrix design problem using second-order cone (SOC) programming.

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来源期刊

信号处理

自引率

0.00%

发文量

5812

期刊介绍： Journal of Signal Processing is an academic journal supervised by China Association for Science and Technology and sponsored by China Institute of Electronics. The journal is an academic journal that reflects the latest research results and technological progress in the field of signal processing and related disciplines. It covers academic papers and review articles on new theories, new ideas, and new technologies in the field of signal processing. The journal aims to provide a platform for academic exchanges for scientific researchers and engineering and technical personnel engaged in basic research and applied research in signal processing, thereby promoting the development of information science and technology. At present, the journal has been included in the three major domestic core journal databases "China Science Citation Database (CSCD), China Science and Technology Core Journals (CSTPCD), Chinese Core Journals Overview" and Coaj. It is also included in many foreign databases such as Scopus, CSA, EBSCO host, INSPEC, JST, etc.