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检索条件"任意字段=Conference on Radar Sensor Technology"

共 5986 条记录，以下是241-250 订阅

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Distributed joint sensor registration and resolvable-group target tracking based on hypergraph matching theory

Distributed joint sensor registration and resolvable-group t...

引用

IET International radar conference 2023, IRC 2023

作者： Li, Guchong Li, Gang He, You School of Automation Northwestern Polytechnical University Xi'an China Department of Electronic Engineering Tsinghua University Beijing China Institute of Information Fusion Naval Aviation University Yantai China

ISBN: (纸本)9781839539954

The paper addresses the problem of distributed resolvable-group target tracking (RTT) over a peer-to-peer sensor network with different coordinates. In the local filtering stage, each sensor node employs the labeled multi-Bernoulli (LMB) filter. In the fusion stage, the presence of coordinate system differences, also known as drift, hinders direct fusion and can lead to diverging tracking performance. To address this issue, we propose a scheme called the distributed joint sensor registration and RTT (DJSR-RTT). Specifically, we first perform state estimates and then minimize the Wasserstein distance of different RFSs to find the matched targets, which is a prerequisite for estimating the drifts. To effectively estimate the drifts, we combine the hypergraph matching (HM) theory with Hungarian assignment. Lastly, the pairwise fusion under the generalized covariance intersection (GCI) rule is performed based on the calibrated coordinates. Simulation experiments are provided to validate the effectiveness of the proposed approach. © The Institution of Engineering & technology 2023.

关键词： sensor nodes

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Scanning radar for Hazard Detection during Landing

Scanning Radar for Hazard Detection during Landing

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2023 IEEE Microwaves, Antennas, and Propagation conference, MAPCON 2023

作者： Mehrotra, Priyanka Jha, Ayush Rao, Bsvgr Jogeswara Nath, Pankaj Kanti Rao, Ch V. Narasimha

ISBN: (纸本)9798350328264

Accurate and soft touchdown at a predetermined location necessitates the utilization of precise ground-based navigation sensors tailored for such destinations. Instruments like altimeters, velocimeters, and inertial navigation systems continually provide the status of the lander's position. These sensors play a pivotal role in guiding the lander to the intended landing site. Furthermore, an essential element in achieving a soft landing is a terrain related hazard detection sensor during the final phase of descent. This sensor is crucial for ascertaining the safe grid location where the lander's legs can be positioned securely, preventing toppling and enabling the successful deployment of rover. A comprehensive design for such a hazard-detecting radar system has been conceived, and its performance has been simulated and summarized in the research paper. The findings demonstrate that a G-band radar imager delivers exceptional resolution of less than 0.5 degrees across a field of view spanning 28 degrees. These outcomes identified the necessary technology for developing such radar systems. © 2023 IEEE.

关键词： Digital Elevation Model (DEM) hazard range estimation Scanning radar

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A 0-360° phase shifter for 77-GHz automotive radar sensors in 28-nm FD-SOI CMOS technology 18

A 0-360° phase shifter for 77-GHz automotive radar sensors ...

引用

18th International conference on Ph.D Research in Microelectronics and Electronics (PRIME)

作者： Minnella, Alessandro Domenico Papotto, Giuseppe Parisi, Alessandro Finocchiaro, Alessandro Palmisano, Giuseppe Univ Catania DIEEI Catania Italy STMicroelectronics Catania Italy

ISBN: (纸本)9798350303209

This paper presents a phase shifter in a 28-nm FD-SOI CMOS technology, which is suitable for automotive radar sensor applications in the 75-81 GHz band. The circuit exploits a switching vector modulator solution, which allows high phase accuracy to be achieved. Indeed, RMS phase and gain errors are as low as 2.2 degrees and 0.14 dB, respectively. This performance is provided with a 1-V supply voltage and a low power consumption of 9 mW.

关键词： Phase shifter polyphase filter vector modulator CMOS technology

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Board 103: Solar-Powered Car Speed radar Measurement, Display, and Logging System

Board 103: Solar-Powered Car Speed Radar Measurement, Displa...

引用

2023 ASEE Annual conference and Exposition - The Harbor of Engineering: Education for 130 Years, ASEE 2023

作者： Ciko, Anthony Cortes, Yave Jones, Josiah Andrew Sohail, Jimmy Blinder, Alex Azizi, Mohsen New Jersey Institute of Technology United States

Studies have shown that there is a 10% fatality rate when a pedestrian is struck by a vehicle moving at the speed of 20 (mph), and the rate scales up to 90% at the speed of 40 (mph). Moreover, the residential areas with radar speed monitors are shown to be safer in terms of accident probability. Motivated by these statistics, in this National Science Foundation sponsored senior design project a speed radar system is designed and developed. The components, functionalities, and objectives of the project are listed as follows: (i) A camera will detect and identify a vehicle and distinguish it from other objects;(ii) a radar sensor will measure the speed of the vehicle;(iii) a microprocessor (Raspberry Pi) will acquire the speed data, send it to the display, and analyze and log it in a server;and (iv) a stand-alone solar Photovoltaic system will provide electrical power to and guarantee the continuous operation of the entire system. This senior design project was conducted by a group of undergraduate students in the electrical and computer engineering technology program at New Jersey Institute of technology. © American Society for Engineering Education, 2023.

关键词： Solar energy

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Touch Gesture Recognition using Chipless RFID technology 7

Touch Gesture Recognition using Chipless RFID Technology

引用

7th International Multi-Topic ICT conference: IMTIC 2023

作者： Altaf, Ammarah Shahid, Humayun Amin, Yasar Zahid, Muhammad University of Engineering and Technology Taxila Telecom Engineering Department Taxila47050 Pakistan

ISBN: (纸本)9798350338461

This paper deals with a novel RFID-based sensor reinforcing touch gesture recognition initiated. The developed sensor takes dominance over an RFID chipless variant that enables the fabrication of an inactive, fully-printable tag with an incorporated frequency domain-based sensor. The sensor consists of four rhombus-shaped resonators that are strangely distributed in four corners of the geometry. The suggested sensor-incorporated tag accurately tracks the position of human digits, allowing surveillance of finger swipes that may then be utilized to identify unlock sequences and security codes. Its performance is evaluated using the sensor's radar Cross Section (RCS) response, which may be seen in the spectral domain. The response of RCS clearly shows a dip in frequency where each unique resonating element of the sensor resonates. The spectral dip floats far beyond the associated band when a touch event occurs. On a 0.76 mm thick Rogers RT/Duroid®5880 laminate, a functioning iteration of the sensor tag is made, and its electrostatic performance is evaluated in the meantime. The sensor observes a modest physical footprint with dimensions of 45 mm by 55 mm. The acquired results support the suggested sensor's viability for use in access control and authentication applications. © 2023 IEEE.

关键词： radar cross section

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Design Of Truck Ultra-High Warning System Based On radar Detection technology 5

Design Of Truck Ultra-High Warning System Based On Radar Det...

引用

5th International conference on Electronic Engineering and Informatics, EEI 2023

作者： Mu, Ruihou Yang, Shifeng Gao, Jie Shi, Hongtong College of Electronic Information and Automation Tianjin University of Science and Technology Tust Tianjin China

ISBN: (纸本)9798350327076

With the rapid development of the transportation industry, the number of truck transportation under railway Bridges and culverts has increased sharply, and some illegal ultra-high vehicles have also increased significantly. In order to ensure the safety and stability of railway operation, an all-round, high-reliability ultra-high warning system for truck is proposed based on image processing, vibration monitoring and radar technology. Firstly, the point cloud data of vehicle within the monitoring range of laser radar is constructed, and the vehicle is analyzed comprehensively according to the data, and the image processing technology is used to identify whether the vehicle is exceeds the height limit. Then, a three-axis acceleration sensor network with low power sleep technology is designed to sense the collision process between the vehicle and the height limit protection frame, which can provide data support for the rapid evaluation of collision accidents and improve the efficiency of accident handling. The final experimental results show that the system can detect whether the vehicle is exceeds the height limit at 25 meters away in real time, effectively solve the problem of vehicle escape and difficult to determine the damage, and has high accuracy and reliability, and has wide application value. © 2023 IEEE.

关键词： sensor networks

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radar and Camera Fusion Dehazing for Road Vehicle Detection in Haze Weather 26

Radar and Camera Fusion Dehazing for Road Vehicle Detection ...

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IEEE 26th International conference on Intelligent Transportation Systems (ITSC)

作者： Bi, Xin Weng, Caien Zhang, Bo Liu, Yong Tong, Panpan Tongji Univ Sch Automot Studies Shanghai 201804 Peoples R China

ISBN: (纸本)9798350399462

Object detection is a necessary part of the intelligent driving system, especially in some severe weather conditions like haze. However, in haze weather, images acquired by the camera are degraded, which severely impacts the subsequent detection process. The radar performance is almost unaffected by haze. Based on the above background, we focus on the multi-sensor fusion dehazing algorithm applied to vehicle detection in hazy road environments, using radar data to provide information supplements for dehazing. First, we propose a radar-camera fusion dehazing algorithm based on the atmospheric scattering model. The radar detection information is used to provide direct and accurate transmission estimation and haze removal region of interest for the dehazing algorithm, so as to achieve precise dehazing effects focusing on dynamic vehicle targets on the road. Second, we apply YOLOv5 to haze-removal images. The proposed fusion dehazing algorithm is tested on the synthetic haze road environment and the real-world dataset, respectively. The average precision of the object detection task is used as the evaluation metric. Finally, experimental results demonstrate that the proposed algorithm performs favorably against the state-of-the-art dehazing algorithms.

关键词： Object detection

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A Taxonomy and Survey on sensor Blockage-Induced Degradation and its Impact on Advanced Driver Assistance Systems 18

A Taxonomy and Survey on Sensor Blockage-Induced Degradation...

引用

18th IEEE International conference on Vehicular Electronics and Safety, ICVES 2024

作者： Eberhardt, Tim Dieter Bruhl, Tim Schwager, Robin Sohn, Tin Stribor Stork, Wilhelm Dr. Ing. H.c. F. Porsche Ag Dept. of Highly Automated Driving Systems Weissach Germany Institute for Information Processing Technologies Karlsruhe Institute of Technology Karlsruhe Germany

ISBN: (纸本)9798350387278

Advanced Driver Assistance Systems (ADAS) rely extensively on sensors to perceive and interpret their environment, enabling safe and efficient navigation, object detection or other functionalities. However, sensor blockage due to environmental contaminants such as dirt, rain, or snow poses a significant challenge, impacting sensor performance and consequently ADAS reliability. This paper presents a comprehensive taxonomy and survey on sensor blockage in ADAS, focusing on cameras, radars, and lidar sensors. The survey begins with an taxonomy overview of sensor principles used in ADAS and their vulnerabilities to blockage. Cameras, based on geometric optics, are susceptible to opaque contaminants like mud and transparent ones like raindrops. Advanced studies in computer vision and deep learning techniques are discussed for detecting and mitigating these contaminants. radar systems, operating on electromagnetic waves, face blockage challenges from snow and water, affecting their range and accuracy. Detection algorithms and impact analyses highlight methods to mitigate these effects, crucial for maintaining radar reliability in adverse weather conditions. Lidar sensors, using laser pulses for precise distance measurement, are vulnerable to dust and moisture accumulation. Detection strategies such as total internal reflection and deep neural networks are reviewed, emphasizing advancements in contamination identification and cleaning mechanisms. The paper concludes with insights into the overall impact of sensor blockage on ADAS, stressing the need for robust detection algorithms and standardized testing protocols. © 2024 IEEE.

关键词： Advanced driver assistance systems

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Downlink Sensing in 5G-Advanced and 6G: SIB1-assisted SSB Approach 97

Downlink Sensing in 5G-Advanced and 6G: SIB1-assisted SSB Ap...

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97th IEEE Vehicular technology conference (VTC-Spring)

作者： Golzadeh, Moeinreza Tiirola, Esa Anttila, Lauri Talvitie, Jukka Hooli, Kari Tervo, Oskari Peruga, Ismael Hakola, Sami Valkama, Mikko Tampere Univ Tampere Finland Nokia Electr Ltd Oulu Finland

ISBN: (纸本)9798350311143

This paper investigates the potential to leverage existing 5G NR signals for network-side integrated sensing and communications (ISAC). In general, the synchronization signal block (SSB) is a suitable candidate for always-on downlink sensing, due to its frequent periodical availability and because of its beam-sweeping nature. However, as this work demonstrates, using only the SSB has challenges related to radar ambiguity while being also limited in both distance and velocity resolution due to limited bandwidth and per-beam time duration, respectively. A novel solution is then introduced by combining SSB with downlink control information (DCI) and system information block 1 (SIB1) symbols. The corresponding implications and variants how SIB1 is optimized and configured are discussed, covering both 5G evolution and potential 6G solutions. The performance of the proposed approach is also assessed through realistic numerical evaluations at both 3.5GHz and 28 GHz network deployments, and shown to yield up to 25 dB suppression in radar peak sidelobe level (PSL) compared to SSB-only based range-velocity profile. Also considerable improvements in the sensing resolution in the order of 120-190% are demonstrated.

关键词： 5G-Advanced 6G integrated sensing and communications network as sensor OFDM radar radar ambiquity SIB1 SSB

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Wireless Ranging and Smelting Driving Location based on Moore Voting Method 2

Wireless Ranging and Smelting Driving Location based on Moor...

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2nd International conference on Innovations and Development of Information Technologies and Robotics, IDITR 2023

作者： Liu, Jinhao Lv, Zhiyong Xu, Jiahui Hu, Yiting Wuhan University of Technology Intelligent Transportation Systems Research Center Wuhan China Wuhan University of Technology Guangdong Inland Port and Shipping Research Co. Ltd. Wuhan China Wuhan University of Technology School of Automation Wuhan China

ISBN: (纸本)9798350345575

In order to explore the reasons for the insufficient positioning accuracy of the crane, to ensure the personal safety of the staff, and to improve the reliability of production operations and work efficiency. Focus on building a set of practical, easy-To-operate, concise and efficient real-Time positioning system based on TOF wireless ranging technology and laser radar technology measurement principle. Analyze the principle of the TOF wireless ranging data error, and use the extended Kalman filter method to perform error analysis and noise reduction processing on the distance data collected by the TOF wireless ranging sensor on site. After the extended Kalman filtering data, the average error is less than 0.1 cm, to improve the reliability and robustness of real-Time positioning systems for on-site operations in steel mills. The Moore voting method is used to locate the smelting crane laterally, combined with the distance data of the laser radar sensor to determine the longitudinal positioning of the wireless smelting crane, and realize the all-round real-Time positioning function of the smelting crane during operation. © 2023 IEEE.

关键词： Optical radar

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