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相关论文: High Resolution Millimeter Wave Imaging Based on F…

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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 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 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

With the advancement of millimeter-wave radar technology, Synthetic Aperture Radar (SAR) imaging at millimeter-wave frequencies has gained significant attention in both academic research and industrial applications. However, traditional SAR…

信号处理 · 电气工程与系统科学 2025-09-09 Ayush Jha , Dhanireddy Chandrika , Chandra Sekhar Seelamantula , Chetan Singh Thakur

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

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…

We demonstrate the imaging capability of a frequency modulated continuous wave lidar based on a fiber bundle. The lidar constructs velocity and range images for hard targets at a rate of 60 Hz. The sensing range is up to 30 m with 20 mW of…

仪器与探测器 · 物理学 2024-10-28 Iskander Gazizov , Sergei Zenevich , Alexander Rodin

We survey the current state of millimeterwave (mmWave) radar applications in robotics with a focus on unique capabilities, and discuss future opportunities based on the state of the art. Frequency Modulated Continuous Wave (FMCW) mmWave…

机器人学 · 计算机科学 2024-10-29 Kyle Harlow , Hyesu Jang , Timothy D. Barfoot , Ayoung Kim , Christoffer Heckman

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 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

This paper presents a novel microwave photonic (MWP) radar scheme that is capable of optically generating and processing broadband linear frequency-modulated (LFM) microwave signals without using any radio-frequency (RF) sources. In the…

信号处理 · 电气工程与系统科学 2021-06-14 Pei Zhou , Rengheng Zhang , Nianqiang Li , Zhidong Jiang , Shilong Pan

Extremely Large-Scale (XL) multiple input multiple output (MIMO) antenna systems combined with ultra-wide signal bandwidth (BW) offer the potential for ultra-high-resolution sensing in frequency modulated continuous wave (FMCW) radars.…

信号处理 · 电气工程与系统科学 2026-03-10 Chandrashekhar Rai , Arpan Chattopadhyay

Millimeter wave radar is becoming increasingly popular as a sensing modality for robotic mapping and state estimation. However, there are very few publicly available datasets that include dense, high-resolution millimeter wave radar scans…

机器人学 · 计算机科学 2021-03-09 Andrew Kramer , Kyle Harlow , Christopher Williams , Christoffer Heckman

Active Millimeter wave (AMMW) imaging is of interest as it has played important roles in wide variety of applications, from nondestructive test to medical diagnosis. Current AMMW imaging systems have a high spatial resolution and can…

图像与视频处理 · 电气工程与系统科学 2021-02-10 Yang Yu , Lingbo Qiao , Yingxin Wang , Ziran Zhao

Due to its light and weather-independent sensing, millimeter-wave (MMW) radar is essential in smart environments. Intelligent vehicle systems and industry-grade MMW radars have integrated such capabilities. Industry-grade MMW radars are…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Maloy Kumar Devnath , Avijoy Chakma , Mohammad Saeid Anwar , Emon Dey , Zahid Hasan , Marc Conn , Biplab Pal , Nirmalya Roy

Millimetre-wave (mmWave) radars can generate 3D point clouds to represent objects in the scene. However, the accuracy and density of the generated point cloud can be lower than a laser sensor. Although researchers have used mmWave radars…

信号处理 · 电气工程与系统科学 2023-02-01 Han Cui , Jiacheng Wu , Naim Dahnoun

Most smart systems such as smart home and smart health response to human's locations and activities. However, traditional solutions are either require wearable sensors or lead to leaking privacy. This work proposes an ambient radar solution…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Hanqing Guo , Nan Zhang , Wenjun Shi , Saeed AlQarni , Shaoen Wu

Multiple Input Multiple Output (MIMO) Frequency Modulated Continuous Wave (FMCW) radars operating at 79GHz are compact, light and cost effective devices with low peak-to-average power ratio that have applications in different areas such as…

信号处理 · 电气工程与系统科学 2024-05-07 Shahrokh Hamidi , Safieddin Safavi-Naeini

Microwave photonic radars enable fast or even real-time high-resolution imaging thanks to its broad bandwidth. Nevertheless, the frequency range of the radars usually overlaps with other existed radio-frequency (RF) applications, and only a…

信号处理 · 电气工程与系统科学 2023-07-19 Cong Ma , Yue Yang , Ce Liu , Beichen Fan , Xingwei Ye , Yamei Zhang , Xiangchuan Wang , Shilong Pan

Millimeter-wave (mmWave,>30 GHz) radars are the key enabler in the coming 6G era for high-resolution sensing and detection of targets. Photonic radar provides an effective approach to overcome the limitations of electronic radars thanks to…

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