| 一种无需特征值分解的快速ESPRIT算法 |
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| 引用本文： | 罗朗. 一种无需特征值分解的快速ESPRIT算法[J]. 湖南工程学院学报(自然科学版), 2006, 16(2): 10-13 |
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| 作者姓名： | 罗朗 |
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| 作者单位： | 电子科技大学中山学院电子工程系,广州,中山,528402 |
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| 摘 要： | ESPR IT算法是一种用于估计到达角(DOA)的参数类超分辨算法,由于这种算法在有效性和稳定性方面都有非常突出的表现,所以其受到了广泛的研究,并成为主要的超分辨算法.但是,在运用ESPR IT算法时不可避免的要进行特征值或奇异值分解(EVD/SVD),这使得其无法运用于实时系统.基于实时性方面的考虑,提出了一种无需特征分解的快速算法(VESPR IT).此算法有效性和稳健性方面虽然要比标准的ESPR IT算法稍差一些,但是其节约了计算时间使得此算法可以运用于实时处理.
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| 关 键 词： | ESPRIT 特征值分解 到达角 |
| 文章编号： | 1671-119X(2006)02-0010-04 |
| 收稿时间： | 2005-11-12 |
| 修稿时间： | 2005-11-12 |
Fast ESPRIT Algorithm Without Eigengdcomposition |
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| LUO Lang. Fast ESPRIT Algorithm Without Eigengdcomposition[J]. Journal of Hunan Institute of Engineering(Natural Science Edition), 2006, 16(2): 10-13 |
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| Authors: | LUO Lang |
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| Affiliation: | Electronic Engineering Department, Zhongshan Institute University of Electronic Science and Technology of China, Zhongshan 528402, China |
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| Abstract: | ESPRIT is a super-resolution parameter estimation technique for determining directions of arrival(DOA) of a set of narrowband signals impinging on an array of sensors.Because of its excellent performance in validity and stability,ESPRIT is widely researched and becomes one of the main super-resolution methods. Unfortunately,its computational burden makes it unsuitable for real time processing of signals with time-varying DOA because the previous ESPRIT is based on the eigendecomposition or singular value decomposition.In this paper,we propose a new implementation of ESPRIT without eigendecomposition that has potential for real time processing. |
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| Keywords: | ESPRIT EVD DOA |
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