基于匹配滤波器联合设计的室内场目标特性测量方法

doi:10.12305/j.issn.1001-506X.2026.01.07

系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (1): 67-75.doi: 10.12305/j.issn.1001-506X.2026.01.07

基于匹配滤波器联合设计的室内场目标特性测量方法

乔振宇¹^,²(), 刘晓斌¹^,²^,*(), 顾赵宇¹^,², 潘小义¹^,², 肖顺平¹^,², 王玲¹^,²

1. 国防科技大学电子电子科学学院，湖南长沙 410073
2. 国防科技大学电子信息系统复杂电磁环境效应国家重点实验室，湖南长沙 410073

收稿日期:2024-08-23 出版日期:2026-01-25 发布日期:2026-02-11
通讯作者: 刘晓斌 E-mail:823028344@qq.com;xiaobinat08@yeah.net
作者简介:乔振宇 （1993—），男，硕士研究生，主要研究方向为雷达信号处理
顾赵宇（1984—），男，讲师，博士主要研究方向为雷达干扰技术与应用
潘小义（1986—），男，副教授，博士主要研究方向为先进体制雷达对抗
肖顺平（1964—），男，教授，博士主要研究方向为雷达系统建模与仿真
王　玲（1965—），女，教授，博士主要研究方向为智能信息处理
基金资助:
国家自然科学基金（61890542，62001481）资助课题

Measurement method of target characteristics based on matched filter joint design in anechoic chamber

Zhenyu QIAO¹^,²(), Xiaobin LIU¹^,²^,*(), Zhaoyu GU¹^,², Xiaoyi PAN¹^,², Shunping XIAO¹^,², Ling WANG¹^,²

1. School of Electronic Science，National University of Defense Technology，Changsha 410073，China
2. State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System，National University of Defense Technology，Changsha 410073，China

Received:2024-08-23 Online:2026-01-25 Published:2026-02-11
Contact: Xiaobin LIU E-mail:823028344@qq.com;xiaobinat08@yeah.net

摘要/Abstract

摘要：

间歇收发导致真实距离像产生虚假峰，在多目标场景下，真假距离像会发生重叠，从而影响目标的信息获取。针对这一问题，提出基于匹配滤波器联合设计的室内场目标特性测量方法。首先建立目标微动模型，分析脉冲信号的间歇收发回波特征。然后利用非匹配滤波器的输出特性，对目标距离?慢时间序列中的虚假距离像进行抑制，基于剔除后的真实距离像序列设计了微动特征提取流程。仿真验证结果表明，在多目标场景下，所提方法能够恢复目标的真实距离像，且间歇收发回波得到的微多普勒分布与理论结果保持一致，对暗室中利用脉冲信号进行目标特性测量、分析目标动态散射特性，具有一定的实际应用价值。

关键词: 间歇收发, 分段脉冲压缩, 微动, 距离像

Abstract:

Interrupted transmitting and receiving （ITR） can cause false peaks in range profiles, and when the ITR of the pulse signal is conducted, the real and false peaks in the range profile may be overlapped for wideband signal. To solve this problem, a joint ITR and matched filter design method focusing on measuring the characteristics of target is proposed. First, the ITR echo characteristics of the pulse signal are discussed based on the micro-motion echo modeling of ballistic target. Then, the real range profile of target can be obtained by using the output characteristics of the unmatched filter, and the whole process of micro-motion feature extraction for rotating target is proposed. The simulation verification results show that in multi-target scenarios, the proposed method can restore the true range profile of the target, and the micro Doppler distribution obtained by intermittent echo transmission and reception is consistent with the theoretical results. The use of pulse signals for target characteristic measurement and analysis of dynamic scattering characteristics in darkrooms has certain practical application value.

Key words: interrupted transmitting and receiving (ITR), segmented pulse compression, micro-motion, range profile

中图分类号:

TN 959.1

乔振宇, 刘晓斌, 顾赵宇, 潘小义, 肖顺平, 王玲. 基于匹配滤波器联合设计的室内场目标特性测量方法[J]. 系统工程与电子技术, 2026, 48(1): 67-75.

Zhenyu QIAO, Xiaobin LIU, Zhaoyu GU, Xiaoyi PAN, Shunping XIAO, Ling WANG. Measurement method of target characteristics based on matched filter joint design in anechoic chamber[J]. Systems Engineering and Electronics, 2026, 48(1): 67-75.

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主要参数	量值
LFM脉宽${T_p}$/μs	10
LFM带宽$B$/MHz	500
ITR参数1脉宽$\tau $/μs	0.05
ITR参数1周期${T_s}$/μs	0.2
ITR参数2脉宽$\tau $/μs	0.1
ITR参数2周期${T_s}$/μs	0.2
目标位置/m	15
目标各散射中心相对距离/m	−8.2, −4.7, 0, 4.1, 8.7

主要参数	量值
雷达载频$ {f_c} $/GHz	10
PRF/kHz	1
初始欧拉角${\text{(}}\theta ,\phi ,\varphi )$	（10, 10, 20）
运动时长$ T $/s	1.024
目标距离R₁/m	15
目标距离R₂/m	31
角速度ω₁/Hz	4
角速度ω₂/Hz	2

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基于匹配滤波器联合设计的室内场目标特性测量方法

Measurement method of target characteristics based on matched filter joint design in anechoic chamber

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