Novel Method of Narrow Band Signal Frequency and 2D Angle Estimation for Wide Band Receiver

LIU Cong-feng; LIAO Gui-sheng

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Novel Method of Narrow Band Signal Frequency and 2D Angle Estimation for Wide Band Receiver

更新时间：2025-07-16

- Novel Method of Narrow Band Signal Frequency and 2D Angle Estimation for Wide Band Receiver
- Acta Electronica Sinica Vol. 37, Issue 3, Pages: 523-528(2009)
- 作者机构：
  
  西安电子科技大学雷达信号处理国家重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911
- Published：2009
- 稿件说明：
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LIU Cong-feng, LIAO Gui-sheng. Novel Method of Narrow Band Signal Frequency and 2D Angle Estimation for Wide Band Receiver[J]. Acta Electronica Sinica, 2009, 37(3): 523-528.
DOI：

LIU Cong-feng, LIAO Gui-sheng. Novel Method of Narrow Band Signal Frequency and 2D Angle Estimation for Wide Band Receiver[J]. Acta Electronica Sinica, 2009, 37(3): 523-528. DOI：

摘要

针对宽带接收机对窄带信号进行频率和二维到达角(DOA)估计问题

本文提出了一种新的快速频率和角度估计方法

该方法首先利用参考频率进行DOA预估计

然后利用空域滤波有效地将频率和预估计DOA进行匹配

并根据天线阵列的结构特点利用信号的相应频率进行预估计DOA校准

获得了信号的准确频率和DOA估计值.最后的仿真分析验证了所提出方法的正确性和有效性.

Abstract

For the problem of the frequency and 2D direction of arrive (DOA) united estimation of narrow band signal for wide band receiver

a novel quick method is proposed.First

the pre-estimation is used to get the pre-estimating DOA with reference frequency

then the space filtering method is used to make the match of the signal pre-estimating DOA with its frequency

and the corresponding frequency is used to adjust the pre-estimating DOA according to the characteristic of the antenna configuration

therefore

the precise signal frequency and its DOA are obtained at the same time.The last simulation indicates that the proposed method is correct and effective to estimate the frequency and DOA of narrow signal for wide band receiver.

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