[1]安春莲,刁鸣,高洪元.基于量子遗传算法的子空间拟合测向[J].应用科技,2010,37(03):49-52.[doi:10.3969/j.issn.1009-671X.2010.03.013]
 AN Chun-lian,DIAO Ming,GAO Hong-yuan.DOA estimation using subspace fitting based on quantum genetic algorithm[J].Applied science and technology,2010,37(03):49-52.[doi:10.3969/j.issn.1009-671X.2010.03.013]
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基于量子遗传算法的子空间拟合测向(/HTML)
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《应用科技》[ISSN:1009-671X/CN:23-1191/U]

卷:
第37卷
期数:
2010年03期
页码:
49-52
栏目:
现代电子技术
出版日期:
2010-03-05

文章信息/Info

Title:
DOA estimation using subspace fitting based on quantum genetic algorithm
文章编号:
文章编号:1009-671X(2010)03-0049-04
作者:
安春莲刁鸣高洪元
哈尔滨工程大学信息与通信工程学院,黑龙江哈尔滨150001
Author(s):
AN Chun-lianDIAO MingGAO Hong-yuan
College of Information and Communication Engineering, Harbin Engineering University,Harbin 150001, China
关键词:
加权信号子空间拟合DOA估计量子旋转门遗传算法(GA)量子遗传算法 
Keywords:
weighted signal subspace fitting DOA estimation quantum rotary gate GA quantum genetic algorithm
分类号:
TN911
DOI:
10.3969/j.issn.1009-671X.2010.03.013
文献标志码:
A
摘要:
针对子空间拟合算法对独立信源和相干信源求解过程中,多维搜索运算量大的问题,通过采用实数编码的量子位表示染色体和用量子旋转门更新量子位的方法,提出一种实数编码的量子遗传方法(RCQGA)来实现加权信号子空间拟合(WSSF)测向,从而有效地降低传统算法的计算量.还研究了WSSF算法的一维解相干性能和二维波达方向(DOA)估计性能.实验仿真表明,RCQGA方法在进化代数为10时就可以达到收敛,有效提高了传统遗传算法的收敛性能,并且具有计算量小和估计性能优良的特点.
Abstract:
The process of solving subspace fitting algorithm is a multidimensional search process requesting large amount of computation. In this paper, we propose a new method called realcoded quantum genetic algorithm (RCQGA) which is based on quantum rotary gate and genetic algorithm to realize weighted signal subspace fitting (WSSF) algorithm. This method effectively reduces the computational complexity. This paper researches on the performance of coherent sources and direction of arrival (DOA) estimation for two dimensional signals. Simulation results show that the RCQGA algorithm can estimate coherent sources as well as two dimensional signals and has much better estimation performance than that of genetic algorithm (GA). 

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备注/Memo

备注/Memo:
作者简介:安春莲(1987-),女,硕士研究生,主要研究方向:通信与信息系统,E-mail:anchunlian@hrber.edu.cn.
更新日期/Last Update: 2010-04-08