Hardware-Efficient DOA Estimation Method Based on Digital Channelization Receiver

被引：0

作者：

Guo, Rui ^{[1
]}

Fan, Xiaolei ^{[1
]}

Zhang, Yue ^{[1
]}

Lin, Qianqiang ^{[1
]}

Chen, Zengping ^{[1
]}

机构：

[1] Natl Univ Def Technol, Sci & Technol Automat Target Recognit Lab, Changsha 410073, Hunan, Peoples R China

来源：

MILLIMETRE WAVE AND TERAHERTZ SENSORS AND TECHNOLOGY IX | 2016年 / 9993卷

关键词：

Digital array radar; Direction of arrival (DOA) estimation; Digital channelization receiver; Hardwareefficient;

D O I：

10.1117/12.2241236

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we present a novel hardware-efficient direction of arrival (DOA) estimation method based on digital channelized receiver. The proposed method splits the wideband array output into multiple frequency sub-channels and estimates the signal parameters using digital channelization receiver. Based on the accurate signal parameters estimation, signals with different bandwidths are isolated reasonably. Different DOA estimation methods are used to signals with different bandwidths. The proposed channelization based method can improve the output signal noise ratio (SNR). It outperforms those conventional DOA estimation methods on estimation accuracy, especially in real environment. Simulations are presented to demonstrate the performance. The results verify the effectiveness of the proposed method.

引用

页数：8

共 12 条

[1]

Guo R., 2016, SENSORS, V16, P21258

[2] A digital quadrature demodulation system [J].