• 文献检索
  • 文档翻译
  • 深度研究
  • 学术资讯
  • Suppr Zotero 插件Zotero 插件
  • 邀请有礼
  • 套餐&价格
  • 历史记录
应用&插件
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
定价
高级版会员购买积分包购买API积分包
服务
文献检索文档翻译深度研究API 文档MCP 服务
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利：CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2026

文献检索

告别复杂PubMed语法，用中文像聊天一样搜索，搜遍4000万医学文献。AI智能推荐，让科研检索更轻松。

立即免费搜索

文件翻译

保留排版，准确专业，支持PDF/Word/PPT等文件格式，支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述，25分钟生成高质量综述，智能提取关键信息，辅助科研写作。

立即免费体验

基于均匀分布双同心圆环阵列的相干源波达方向估计

DOA Estimation for Coherent Sources Based on Uniformly Distributed Two Concentric Rings Array.

作者信息

Han Chuang, Guo Shenghong, Yan Ning, Dong Jingwei, Xing Bowen

机构信息

Heilongjiang Province Key Laboratory of Laser Spectroscopy Technology and Application, Harbin University of Science and Technology, Harbin 150080, China.

College of Engineering Science and Technology, Shanghai Ocean University, Shanghai 201306, China.

出版信息

Sensors (Basel). 2023 Oct 12;23(20):8408. doi: 10.3390/s23208408.

DOI:10.3390/s23208408
PMID:37896502
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10611304/
Abstract

The direction estimation of the coherent source in a uniform circular array is an essential part of the signal processing area of the array, but the traditional uniform circular array algorithm has a low localization accuracy and a poor localization effect on the coherent source. To solve this problem, this paper proposes a two-dimensional direction of arrival (DOA) estimation for the coherent source in broadband. Firstly, the central frequency of the coherent sound source is estimated using the frequency estimation method of the delayed data, and a real-valued beamformer is constructed using the concept of the multiloop phase mode. Then, the cost function in the beam space is obtained. Finally, the cost function is searched in two dimensions to locate the sound source. In this paper, we simulate the DOA of the sound source at different frequencies and signal-to-noise ratios and analyze the resolution of the circular array. The simulation results show that the proposed algorithm can estimate the direction of arrival with high precision and achieve the desired results.

摘要

均匀圆形阵列中相干源的方向估计是阵列信号处理领域的重要组成部分，但传统的均匀圆形阵列算法对相干源的定位精度较低且定位效果不佳。为解决这一问题，本文提出了一种宽带相干源二维波达方向（DOA）估计方法。首先，利用延迟数据的频率估计方法估计相干声源的中心频率，并采用多环相位模式的概念构建实值波束形成器。然后，得到波束空间中的代价函数。最后，在二维空间中搜索代价函数以定位声源。本文对不同频率和信噪比下声源的DOA进行了仿真，并分析了圆形阵列的分辨率。仿真结果表明，所提算法能够高精度地估计波达方向并取得理想效果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/b2982f6e0c10/sensors-23-08408-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/f9e4c3efee87/sensors-23-08408-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/e04b966cc529/sensors-23-08408-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/acabe7a12d8b/sensors-23-08408-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/1cb528deb690/sensors-23-08408-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/601543fc4fc0/sensors-23-08408-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/2355849e61e3/sensors-23-08408-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/b2982f6e0c10/sensors-23-08408-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/f9e4c3efee87/sensors-23-08408-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/e04b966cc529/sensors-23-08408-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/acabe7a12d8b/sensors-23-08408-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/1cb528deb690/sensors-23-08408-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/601543fc4fc0/sensors-23-08408-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/2355849e61e3/sensors-23-08408-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0389/10611304/b2982f6e0c10/sensors-23-08408-g007.jpg

相似文献

1
DOA Estimation for Coherent Sources Based on Uniformly Distributed Two Concentric Rings Array.基于均匀分布双同心圆环阵列的相干源波达方向估计
Sensors (Basel). 2023 Oct 12;23(20):8408. doi: 10.3390/s23208408.
2
A Robust Direction of Arrival Estimation Method for Uniform Circular Array.一种稳健的均匀圆形阵列方向估计方法。
Sensors (Basel). 2019 Oct 12;19(20):4427. doi: 10.3390/s19204427.
3
Enhanced Coprime Array Structure and DOA Estimation Algorithm for Coherent Sources.用于相干源的增强互质阵列结构与波达方向估计算法
Sensors (Basel). 2024 Jan 2;24(1):260. doi: 10.3390/s24010260.
4
Coherent Signal DOA Estimation for MIMO Radar under Composite Background of Strong Interference and Non-Uniform Noise.相干信号 DOA 估计在强干扰和非均匀噪声复合背景下的 MIMO 雷达。
Sensors (Basel). 2022 Dec 14;22(24):9833. doi: 10.3390/s22249833.
5
An Enhanced Spatial Smoothing Technique of Coherent DOA Estimation with Moving Coprime Array.一种基于移动互质阵列的相干波达方向估计的增强空间平滑技术
Sensors (Basel). 2023 Sep 23;23(19):8048. doi: 10.3390/s23198048.
6
Satellite Interference Source Direction of Arrival (DOA) Estimation Based on Frequency Domain Covariance Matrix Reconstruction.基于频域协方差矩阵重构的卫星干扰源到达方向（DOA）估计
Sensors (Basel). 2023 Aug 31;23(17):7575. doi: 10.3390/s23177575.
7
Two-Dimensional DOA and Polarization Estimation for a Mixture of Uncorrelated and Coherent Sources with Sparsely-Distributed Vector Sensor Array.基于稀疏分布矢量传感器阵列的不相关与相干源混合信号的二维波达方向和极化估计
Sensors (Basel). 2016 May 31;16(6):789. doi: 10.3390/s16060789.
8
Off-Grid DOA Estimation Using Sparse Bayesian Learning for MIMO Radar under Impulsive Noise.基于稀疏贝叶斯学习的脉冲噪声下MIMO雷达离网波达方向估计
Sensors (Basel). 2022 Aug 20;22(16):6268. doi: 10.3390/s22166268.
9
Non-Circular Signal DOA Estimation with Nested Array via Off-Grid Sparse Bayesian Learning.基于离网格稀疏贝叶斯学习的嵌套阵列非循环信号波达方向估计
Sensors (Basel). 2023 Nov 1;23(21):8907. doi: 10.3390/s23218907.
10
An Improved Toeplitz Approximation Method for Coherent DOA Estimation in Impulsive Noise Environments.一种用于脉冲噪声环境中相干波达方向估计的改进托普利兹近似方法。
Entropy (Basel). 2023 Jun 20;25(6):960. doi: 10.3390/e25060960.

本文引用的文献

1
Ambiguity Resolution for Passive 2-D Source Localization with a Uniform Circular Array.利用均匀圆形阵列进行二维无源声源定位的歧义消除。
Sensors (Basel). 2018 Aug 13;18(8):2650. doi: 10.3390/s18082650.