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We consider a multicarrier chirp-based waveform for joint radar and communication (JRC) systems and derive its time discrete periodic ambiguity function (AF). An advantage of the waveform is that it includes a set of waveform parameters…

信息论 · 计算机科学 2022-09-05 Fredrik Berggren , Branislav M. Popovic

In this paper, multiple metrics are presented in order to jointly evaluate the performance of the radar and communication functions in scenarios involving Dual Function Radar Communication (DFRC) systems using stochastic geometry. These…

信号处理 · 电气工程与系统科学 2022-08-30 François De Saint Moulin , Charles Wiame , Luc Vandendorpe , Claude Oestges

The development of high-resolution imaging radars introduce a plethora of useful applications, particularly in the automotive sector. With increasing attention on active transport safety and autonomous driving, these imaging radars are set…

信号处理 · 电气工程与系统科学 2024-10-30 Nihal Singh , Dibakar Sil , Ankit Sharma

Car-following models, as the essential part of traffic microscopic simulations, have been utilized to analyze and estimate longitudinal drivers' behavior since sixty years ago. The conventional car following models use mathematical formulas…

应用统计 · 统计学 2018-06-13 Sina Dabiri , Montasir Abbas

As drones become increasingly prevalent in human life, they also raises security concerns such as unauthorized access and control, as well as collisions and interference with manned aircraft. Therefore, ensuring the ability to accurately…

信号处理 · 电气工程与系统科学 2023-08-29 Zixiao Zhao , Qinghe Du , Xiang Yao , Lei Lu , Shijiao Zhang

Concentration of drivers on traffic is a vital safety issue; thus, monitoring a driver being on road becomes an essential requirement. The key purpose of supervision is to detect abnormal behaviours of the driver and promptly send warnings…

信号处理 · 电气工程与系统科学 2023-06-09 Hong Nhung Nguyen , Seongwook Lee , Tien Tung Nguyen , Yong Hwa Kim

Radar sensors operating in the mmWave frequency range face challenges when used as indoor perception and imaging devices, primarily due to noise and multipath signal distortions. These distortions often impair the sensors' ability to…

信号处理 · 电气工程与系统科学 2026-04-09 Stefan Hägele , Fabian Seguel , Driton Salihu , Marsil Zakour , Eckehard Steinbach

We introduce a transformer-based neural network to generate high-resolution (3km) synthetic radar reflectivity fields at scale from geostationary satellite imagery. This work aims to enhance short-term convective-scale forecasts of…

信号处理 · 电气工程与系统科学 2024-07-02 Jason Stock , Kyle Hilburn , Imme Ebert-Uphoff , Charles Anderson

Radar sensors can be used for analyzing the induced frequency shifts due to micro-motions in both range and velocity dimensions identified as micro-Doppler ($\boldsymbol{\mu}$-D) and micro-Range ($\boldsymbol{\mu}$-R), respectively.…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Sherif Abdulatif , Qian Wei , Fady Aziz , Bernhard Kleiner , Urs Schneider

Mutual interference in automotive radar scenarios is going to become a major concern as the density of vehicles with radar sensors in the roads increases. The present work tackles the problem of frequency modulated continuous wave (FMCW) to…

信号处理 · 电气工程与系统科学 2021-06-11 Aitor Correas-Serrano , María A. González-Huici

This study proposes an accurate method to estimate human body orientation using a millimeter-wave radar system. Body displacement is measured from the phase of the radar echo, which is analyzed to obtain features associated with the…

信号处理 · 电气工程与系统科学 2023-07-19 Wenxu Sun , Shunsuke Iwata , Yuji Tanaka , Takuya Sakamoto

Millimeter-wave (mmw) radar is indispensable for Intelligent Transportation Systems (ITS), which can monitor traffic conditions in all weathers. An end-to-end simulation method for mmw radar monitoring and identification at traffic…

信号处理 · 电气工程与系统科学 2022-08-30 Ming Zong , Zhanyu Zhu

Neural Radiance Fields (NeRF) have demonstrated exceptional capabilities in reconstructing complex scenes with high fidelity. However, NeRF's view dependency can only handle low-frequency reflections. It falls short when handling complex…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Chen Gao , Yipeng Wang , Changil Kim , Jia-Bin Huang , Johannes Kopf

Reflectometry is a technique that uses the light reflected by a sample to determine properties of the sample. Interferometric reflectometry uses interference between two beams, one of which is incident on ---and reflected back by--- a…

光学 · 物理学 2019-10-10 Alexander Nahmad-Rohen , Wolfgang Langbein

Millimeter wave radars are popularly used in last-mile radar-based defense systems. Detection of low-altitude airborne target using these radars at low-grazing angles is an important problem in the field of electronic warfare, which becomes…

信号处理 · 电气工程与系统科学 2019-02-15 Martins Ezuma , Ozgur Ozdemir , Chethan Kumar Anjinappa , Wahab Ali Gulzar , Ismail Guvenc

FMCW radar could detect object's range, speed and Angleof-Arrival, advantages are robust to bad weather, good range resolution, and good speed resolution. In this paper, we consider the FMCW radar as a novel interacting interface on laptop.…

人机交互 · 计算机科学 2019-08-29 Xiaodong Cai , Jingyi Ma , Wei Liu , Hemin Han , Lili Ma

Automatic plant classification is a challenging problem due to the wide biodiversity of the existing plant species in a fine-grained scenario. Powerful deep learning architectures have been used to improve the classification performance in…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Voncarlos M. Araujo , Alceu S. Britto , Luiz E. S. Oliveira , Alessandro L. Koerich

For the assessment of machine perception for automated driving it is important to understand the influence of certain environment factors on the sensors used. Especially when investigating large amounts of real-world data to find and…

信号处理 · 电气工程与系统科学 2021-05-04 Maike Scholtes , Lutz Eckstein

The first contribution of this paper is architecture of a multipurpose system, which delegates a range of object detection tasks to a classifier, applied in special grid positions of the tested image. The second contribution is Gray…

计算机视觉与模式识别 · 计算机科学 2013-12-10 Andrew Gleibman

Remote sensing of the Earth's surface water is critical in a wide range of environmental studies, from evaluating the societal impacts of seasonal droughts and floods to the large-scale implications of climate change. Consequently, a large…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Joachim Moortgat , Ziwei Li , Michael Durand , Ian Howat , Bidhyananda Yadav , Chunli Dai