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Frequency-modulated continuous-wave (FMCW) radar plays a pivotal role in the field of remote sensing. The increasing degree of FMCW radar deployment has increased the mutual interference, which weakens the detection capabilities of radars…

信号处理 · 电气工程与系统科学 2024-07-18 Ziang Zhang , Guangzhi Chen , Youlong Weng , Shunchuan Yang , Zhiyu Jia , Jingxuan Chen

Multiple-input multiple-output (MIMO) radar offers several performance and flexibility advantages over traditional radar arrays. However, high angular and Doppler resolutions necessitate a large number of antenna elements and the…

信号处理 · 电气工程与系统科学 2025-09-11 Chandrashekhar Rai , Himali Singh , Arpan Chattopadhyay

This paper presents an efficient annotation procedure and an application thereof to end-to-end, rich semantic segmentation of the sensed environment using FMCW scanning radar. We advocate radar over the traditional sensors used for this…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Prannay Kaul , Daniele De Martini , Matthew Gadd , Paul Newman

Forward modeling of wave scattering and radar imaging mechanisms is the key to information extraction from synthetic aperture radar (SAR) images. Like inverse graphics in optical domain, an inherently-integrated forward-inverse approach…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Shilei Fu , Feng Xu

This study proposes a novel radar-centric signaling design and architecture for secure integrated sensing and communication (ISAC) systems. The proposed framework is designed to provide robust physical layer security for data transmission…

信号处理 · 电气工程与系统科学 2026-05-25 Murat Temiz , Christos Masouros

The availability of Synthetic Aperture Radar (SAR) satellite imagery has increased considerably in recent years, with datasets commercially available. However, the acquisition of high-resolution SAR images in airborne configurations,…

图像与视频处理 · 电气工程与系统科学 2025-05-13 Solene Debuysere , Nicolas Trouve , Nathan Letheule , Olivier Leveque , Elise Colin

Advancements in analog-to-digital converter (ADC) technology have enabled higher sampling rates, making it feasible to adopt digital radar architectures that directly sample the radio-frequency (RF) signal, eliminating the need for analog…

We consider the problem of synthetic aperture radar (SAR) imaging and motion estimation of complex scenes. By complex we mean scenes with multiple targets, stationary and in motion. We use the usual setup with one moving antenna emitting…

信息论 · 计算机科学 2015-03-20 Liliana Borcea , Thomas Callaghan , George Papanicolaou

In this paper, we present a 2D target localization method using two low cost and compact Mellimeter Wave Frequency Modulated Continuous Wave (MMW-FMCW) radars. To create a 2D map we exploit the bilateration method followed by a multi-target…

信号处理 · 电气工程与系统科学 2021-09-16 Shahrokh Hamidi , Safieddin Safavi-Naeini

A hybrid physical and geometrical optics method is proposed to model the subsurface imaging using mmWave FMCW radar. Modeling of the wave propagation for subsurface imaging can improve the interpretation of acquired data and imaging…

信号处理 · 电气工程与系统科学 2026-04-14 Kaito Ichijo , Hang Song , Xin Du , Bo Wei , Junichi Takada

Rotating Synthetic Aperture Radar (ROSAR) can generate a 360$^\circ$ image of its surrounding environment using the collected data from a single moving track. Due to its non-linear track, the Back-Projection Algorithm (BPA) is commonly used…

信号处理 · 电气工程与系统科学 2023-09-18 Wei Zhao , Cai Wen , Quan Yuan , Rong Zheng

A problem with synthetic aperture radar (SAR) is that due to the poor penetrating action of electromagnetic waves within solid bodies, the ability to observe through distributed targets is precluded. In this context, indeed, imaging is only…

信号处理 · 电气工程与系统科学 2022-07-19 Filippo Biondi

This paper explores the deployment of mm-wave Frequency Modulated Continuous Wave (FMCW) radar for vital sign detection across multiple scenarios. We focus on overcoming the limitations of traditional sensing methods by enhancing signal…

信号处理 · 电气工程与系统科学 2025-08-29 Ehsan Sadeghi , Paul Havinga

Frequency-Modulated Continuous-Wave (FMCW) lidar is a recently emerging technology that additionally enables per-return instantaneous relative radial velocity measurements via the Doppler effect. In this letter, we present the first…

机器人学 · 计算机科学 2022-12-06 Yuchen Wu , David J. Yoon , Keenan Burnett , Soeren Kammel , Yi Chen , Heethesh Vhavle , Timothy D. Barfoot

In this paper, a novel method to enhance Frequency Modulated Continuous Wave (FMCW) THz imaging resolution beyond its diffraction limit is proposed. Our method comprises two stages. Firstly, we reconstruct the signal in depth-direction…

图像与视频处理 · 电气工程与系统科学 2019-07-03 Tak Ming Wong , Matthias Kahl , Peter Haring Bolívar , Andreas Kolb

Interferometric Synthetic Aperture Radar (InSAR) Imaging methods are usually based on algorithms of match-filtering type, without considering the scene's characteristic, which causes limited imaging quality. Besides, post-processing steps…

信号处理 · 电气工程与系统科学 2022-10-07 Xu Zhan , Xiaoling Zhang , Shunjun Wei , Jun Shi

Automatic Target Recognition (ATR) in Synthetic aperture radar (SAR) images becomes a very challenging problem owing to containing high level noise. In this study, a machine learning-based method is proposed to detect different moving and…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Umut Özkaya

We synthesize both optical RGB and synthetic aperture radar (SAR) remote sensing images from land cover maps and auxiliary raster data using generative adversarial networks (GANs). In remote sensing, many types of data, such as digital…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Gerald Baier , Antonin Deschemps , Michael Schmitt , Naoto Yokoya

Millimeter-wave (mmWave) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) features that require accurate location and Doppler velocity estimates of objects, independent…

信号处理 · 电气工程与系统科学 2023-01-24 Xiangyu Gao , Sumit Roy , Guanbin Xing , Sian Jin

We have proposed a novel method for Synthetic High Range Resolution (HRR) profiling, under the condition of missing frequency domain samples. This new approach estimates the autocovariance function (ACF) of the signal by valid sample pairs.…

信息论 · 计算机科学 2014-11-04 Yang Hu , Huadong Meng , Yimin Liu , Xiqin Wang