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This paper addresses the challenge of anti-jamming in moving reactive jamming scenarios. The moving reactive jammer initiates high-power tracking jamming upon detecting any transmission activity, and when unable to detect a signal, resorts…

信息论 · 计算机科学 2025-02-05 Yangyang Li , Yuhua Xu , Wen Li , Guoxin Li , Zhibing Feng , Songyi Liu , Jiatao Du , Xinran Li

The integrated radar and jamming (IRAJ) system provides a promising solution that meets the demands for miniaturization, integration, and multifunctionality in complex warfare environments. However, traditional electronic-domain IRAJ…

光学 · 物理学 2026-05-20 Fangyi Yang , Hang Yang , Xin Zhong , Taixia Shi , Yang Chen

High-resolution range profile (HRRP)-based radar automatic target recognition suffers from severe performance degradation in composite jamming environments. Active jamming introduces suppression- and deception-related components into the…

信号处理 · 电气工程与系统科学 2026-05-25 Yunfei Zhao , Mei Liu , Shuowei Liu , Xunzhang Gao , Yujie Zhou

Phased multiple-input multiple-output (Phased-MIMO) radar has received increasing attention for enjoying the advantages of waveform diversity and range-dependency from frequency diverse array MIMO (FDA-MIMO) radar without sacrificing…

信号处理 · 电气工程与系统科学 2024-08-07 Yan Sun , Wen-qin Wang , Zhou He , Shunsheng Zhang

In modern radar systems, target detection and parameter estimation face significant challenges when confronted with mainlobe jamming. This paper presents a Diffusion-based Model and Data Dual-driven (DMDD) approach to estimate and detect…

信号处理 · 电气工程与系统科学 2025-12-01 Ruohai Guo , Jiang Zhu , Chengjie Yu , Zhigang Wang , Ning Zhang , Fengzhong Qu , Min Gong

A new method of distortion mitigation for multitarget interferometric angular velocity estimation in millimeter-wave radar is presented. In general, when multiple targets are present, the response of a correlation interferometer is…

信号处理 · 电气工程与系统科学 2021-12-20 Eric Klinefelter , Jason M. Merlo , Jeffrey A. Nanzer

Speckle noise poses a significant challenge in maintaining the quality of synthetic aperture radar (SAR) images, so SAR despeckling techniques have drawn increasing attention. Despite the tremendous advancements of deep learning in…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Xuran Hu , Ziqiang Xu , Zhihan Chen , Zhengpeng Feng , Mingzhe Zhu , LJubisa Stankovic

Interrupted sampling repeater jamming (ISRJ) poses a serious threat to radar target detection. Traditional time-frequency (TF) domain anti-jamming methods are prone to TF aliasing in multi-component signal scenarios, and cannot effectively…

综合数学 · 数学 2025-06-10 Jia-Mian Li , Bing-Zhao Li

In this paper, we consider the problem of joint delay-Doppler estimation of moving targets in a passive radar that makes use of orthogonal frequency-division multiplexing (OFDM) communication signals. A compressed sensing algorithm is…

信息论 · 计算机科学 2017-04-05 Le Zheng , Xiaodong Wang

Multi-antenna (or MIMO) processing is a promising solution to the problem of jammer mitigation. Existing methods mitigate the jammer based on an estimate of its spatial signature that is acquired through a dedicated training phase. This…

信号处理 · 电气工程与系统科学 2025-10-03 Gian Marti , Christoph Studer

Conventional synthetic aperture radar (SAR) imaging systems typically employ deterministic signal designs, which lack the capability to convey communication information and are thus not suitable for integrated sensing and communication…

信号处理 · 电气工程与系统科学 2024-03-27 Bowen Zheng , Fan Liu

In this paper, we design constant modulus probing waveforms with good correlation properties for collocated multi-input multi-output (MIMO) radar systems. The main content is as follows: first, we formulate the design problem as a fourth…

信号处理 · 电气工程与系统科学 2019-09-04 Jiangtao Wang , Yongchao Wang

The first part of this series introduced the effectiveness of frequency diverse array (FDA) jamming through direct wave propagation in countering airborne phased multiple-input multiple-output (Phased-MIMO) radar. This part focuses on the…

信号处理 · 电气工程与系统科学 2024-08-07 Yan Sun , Wen-qin Wang , Zhou He , Shunsheng Zhang

In this paper, we introduce the design of a multi-antenna Joint Radar-Communication (JRC) system with Rate Splitting Multiple Access (RSMA) and low resolution Digital-to-Analog Converter (DAC) units. Using RSMA, the communication messages…

信号处理 · 电气工程与系统科学 2021-04-19 Onur Dizdar , Aryan Kaushik , Bruno Clerckx , Christos Masouros

Multi-antenna (MIMO) processing is a promising solution to the problem of jammer mitigation. Existing methods mitigate the jammer based on an estimate of its subspace (or receive statistics) acquired through a dedicated training phase. This…

信息论 · 计算机科学 2023-02-10 Gian Marti , Christoph Studer

Joint Communication and Sensing (JCAS) is taking its first shape in WLAN sensing under IEEE 802.11bf, where standardized WLAN signals and protocols are exploited to enable radar-like sensing. However, an overlooked problem in JCAS, and…

信号处理 · 电气工程与系统科学 2024-01-03 Hasan Can Yildirim , Musa Furkan Keskin , Henk Wymeersch , François Horlin

A foremost task in frequency diverse array multiple-input multiple-output (FDA-MIMO) radar is to efficiently obtain the target signal in the presence of interferences. In this paper, we employ a novel "low-rank + low-rank + sparse"…

信号处理 · 电气工程与系统科学 2021-01-25 Qi Liu , Jingwei Xu , Zhi Ding , Hing Cheung So

The application of Synthetic Aperture Radar (SAR) techniques to classical radar altimetry offers the potential for greatly improved Earth surface mapping. This paper provides an overview of the progress of SAMOSA, Development of SAR…

大气与海洋物理 · 物理学 2008-02-07 C. Martin-Puig , J. Marquez , G. Ruffini , R. K. Raney , J. Benveniste

Electronic countermeasure (ECM) technology plays a critical role in modern electronic warfare, which can interfere with enemy radar detection systems by noise or deceptive signals. However, the conventional active jamming strategy incurs…

信息论 · 计算机科学 2024-05-14 Haozhe Wang , Beixiong Zheng , Xiaodan Shao , Rui Zhang

One of the challenges in spaceborne synthetic aperture radar (SAR) is modeling and mitigating radio frequency interference (RFI) artifacts in SAR imagery. Linear frequency modulated (LFM) signals have been commonly used for characterizing…

图像与视频处理 · 电气工程与系统科学 2025-09-24 Dehui Yang , Feng Xi , Qihao Cao , Huizhang Yang