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相关论文: 3D-Image Reconstruction using MIMO-SAR FMCW Radar

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In this paper, we present 3D high resolution radar imaging process at millimeter-Wave (mmWave) frequencies by creating the effect of a large aperture synthetically. We use a low cost fully integrated Frequency Modulated Continuous Wave…

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

In this paper, we present 3D high resolution radar imaging at millimeter-Wave (mmWave) frequencies by means of a combination of virtual Multiple Input Multiple Output (MIMO) Frequency Modulated Continuous Wave (FMCW) Radars and Synthetic…

信号处理 · 电气工程与系统科学 2024-05-20 Shahrokh Hamidi

In this paper, we present a high resolution microwave imaging technique using a compact and low cost single channel Frequency Modulated Continuous Wave (FMCW) radar based on Circular Synthetic Aperture Radar (CSAR) technique. We develop an…

信号处理 · 电气工程与系统科学 2024-07-09 Shahrokh Hamidi , Safieddin Safavi-Naeini

In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-generation (5G) millimeter-wave (mmWave) devices, near-field SAR…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah Smith , Murat Torlak

Multiple-input-multiple-output (MIMO) millimeter-wave (mmWave) sensors for synthetic aperture radar (SAR) and inverse SAR (ISAR) address the fundamental challenges of cost-effectiveness and scalability inherent to near-field imaging. In…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah W. Smith , Muhammet Emin Yanik , Murat Torlak

Millimeter-wave radars are being increasingly integrated into commercial vehicles to support advanced driver-assistance system features. A key shortcoming for present-day vehicular radar imaging is poor azimuth resolution (for side-looking…

信号处理 · 电气工程与系统科学 2021-06-07 Xiangyu Gao , Sumit Roy , Guanbin Xing

In this paper, we present a unique $\text {2D}$ high resolution, compact, low-cost, lightweight, and highly accurate millimeter wave imagery system capable of operating in all weather conditions. We describe millimeter wave imaging process…

信号处理 · 电气工程与系统科学 2025-08-18 Shahrokh Hamidi , M. R. Nezhad-Ahmadi

In this paper, the design, realization, and demonstration of a broadband millimeter-wave imaging system based on the synthetic aperture radar technique (SAR) are discussed. The proposed system, operating within the frequency range of…

Frequency modulated continuous wave (FMCW) radar is emerging as a trendy radar system for synthetic aperture radar (SAR). This letter proposes a novel method for the extraction of the SAR image with the FMCW radar. The proposed method can…

信号处理 · 电气工程与系统科学 2020-10-01 Junhyeong Park , Dae-Hwan Jung , Seong-Ook Park

Millimeter-wave (mmW) radar is widely applied to advanced autopilot assistance systems. However, its small antenna aperture causes a low imaging resolution. In this paper, a new distributed mmW radar system is designed to solve this…

信号处理 · 电气工程与系统科学 2022-09-23 Yanqin Xu , Xiaoling Zhang , Shunjun Wei , Jun Shi , Xu Zhan , Tianwen Zhang

Millimeter-wave (MMW) multiple-input multiple-output synthetic aperture radar (MIMO-SAR) system is a technology that can achieve high resolution, high frame rate, and all-weather imaging and has received extensive attention in the…

信号处理 · 电气工程与系统科学 2024-11-25 Xu Chen , Guangsheng Yu , Zhian Yuan , Hao Wu , Yilin Jiang , Ying Wang , Bin Deng , Limin Guo

The design of image reconstruction algorithms for near-range handheld synthetic aperture radar (SAR) systems has gained increasing popularity due to the promising performance of portable millimeter-wave (MMW) imaging devices in various…

信号处理 · 电气工程与系统科学 2025-07-01 Lei Wang , Xianxun Yao , Tiancheng Song , Guolin Sun

In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging. Recent research extends convolutional neural network (CNN) architectures from the optical to the…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Christos Vasileiou , Josiah W. Smith , Shiva Thiagarajan , Matthew Nigh , Yiorgos Makris , Murat Torlak

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

Through-wall synthetic aperture radar (SAR) imaging is of significant interest for security purposes, in particular when using multi-static SAR systems consisting of multiple distributed radar transmitters and receivers to improve…

数值分析 · 数学 2024-10-30 Francis Watson , Daniel Andre , William Robert Breckon Lionheart

Multiple-input multiple-output (MIMO) radar has several advantages with respect to the traditional radar array systems in terms of performance and flexibility. However, in order to achieve high angular resolution, a MIMO radar requires a…

信号处理 · 电气工程与系统科学 2023-03-01 Himali Singh , Arpan Chattopadhyay

Cardiac function evaluation necessitates continuous, non-invasive monitoring, a capability limited in MRI. Millimeter-wave (mmWave) radar and its Synthetic Aperture Radar (SAR) mode offer a privacy-preserving and portable point-of-care…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jinye Li , Chenxi Fu , Minghang Zheng , Yang Liu , Xiahai Zhuang , Qingchao Chen

Millimeter-wave (MMW) imaging has a wide prospect in application of concealed weapons detection. We propose a circular-arc multiple-input multiple-output (MIMO) array scheme with uniformly spaced transmit and receive antennas along the…

信号处理 · 电气工程与系统科学 2021-03-01 Shiyong Li , Shuoguang Wang , Guoqiang Zhao , Houjun Sun

In this paper, we explore the feasibility of utilizing a mmWave radar sensor installed on a UAV to reconstruct the 3D shapes of multiple objects in a space. The UAV hovers at various locations in the space, and its onboard radar senor…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Yue Sun , Zhuoming Huang , Honggang Zhang , Xiaohui Liang

Near-field multiple-input multiple-output (MIMO) radar imaging suffers from high computational load inherently due to irregular spatial sampling with distributed antennas. Existing acceleration methods for near-field MIMO imaging typically…

信号处理 · 电气工程与系统科学 2025-09-03 Okyanus Oral
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