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Detecting and characterising vehicles is one of the purposes of embedded systems used in intelligent environments. An analysis of a vehicle characteristics can reveal inappropriate or dangerous behaviour. This detection makes it possible to…

信号处理 · 电气工程与系统科学 2024-05-03 Jose-Luis Poza-Lujan , Pedro Uribe-Chavert , Juan-Luis Posadas-Yagüe

A sensor is a device that converts a physical parameter or an environmental characteristic (e.g., temperature, distance, speed, etc.) into a signal that can be digitally measured and processed to perform specific tasks. Mobile robots need…

机器人学 · 计算机科学 2023-09-08 Henrik Andreasson , Giorgio Grisetti , Todor Stoyanov , Alberto Pretto

Considering the 21st century skills and the importance of STEM education in fulfilling these skills, it is clear that the course materials should be materials that bring students together with technology and attract their attention, apart…

物理教育 · 物理学 2023-01-26 Atakan Coban , Niyazi Coban

Ultrasound is an adjunct tool to mammography that can quickly and safely aid physicians with diagnosing breast abnormalities. Clinical ultrasound often assumes a constant sound speed to form B-mode images for diagnosis. However, the various…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Walter A. Simson , Magdalini Paschali , Vasiliki Sideri-Lampretsa , Nassir Navab , Jeremy J. Dahl

In this paper, a deep learning approach is presented for direction of arrival estimation using automotive-grade ultrasonic sensors which are used for driving assistance systems such as automatic parking. A study and implementation of the…

信号处理 · 电气工程与系统科学 2022-02-28 Mohamed Shawki Elamir , Heinrich Gotzig , Raoul Zoellner , Patrick Maeder

A complete overview of the surrounding vehicle environment is important for driver assistance systems and highly autonomous driving. Fusing results of multiple sensor types like camera, radar and lidar is crucial for increasing the…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Markus Horn , Ole Schumann , Markus Hahn , Jürgen Dickmann , Klaus Dietmayer

We present an inexpensive apparatus for measuring the speed of sound, with a time of flight method, using a computer with a stereo sound board. Students measure the speed of sound by timing the delay between the arrivals of a pulse to two…

物理教育 · 物理学 2009-11-13 Carlos C. Carvalho , J. M. B. Lopes dos Santos , M. B. Marques

In the recent decade, electronic technology gets advanced day by day the methodologies too should update. For the purpose of ranging various methods such Radio Detection and Ranging (RADAR), Light Detection and Ranging (LIDAR) and Sonic…

机器人学 · 计算机科学 2021-06-28 Md Ziaul Haque Zim , Nimai Chandra Das

Autonomous vehicles (AVs), equipped with numerous sensors such as camera, LiDAR, radar, and ultrasonic sensor, are revolutionizing the transportation industry. These sensors are expected to sense reliable information from a physical…

密码学与安全 · 计算机科学 2022-02-08 Jianzhi Lou , Qiben Yan , Qing Hui , Huacheng Zeng

The techniques of laser cooling combined with atom interferometry make possible the realization of very sensitive and accurate inertial sensors like gyroscopes or accelerometers. Besides earth-based developments, the use of these techniques…

原子物理 · 物理学 2008-08-29 Arnaud Landragin , Franck Pereira Dos Santos

Airborne 3D imaging using ultrasound is a promising sensing modality for robotic applications in harsh environments. Over the last decade, several high-performance systems have been proposed in the literature. Most of these sensors use a…

信号处理 · 电气工程与系统科学 2024-02-21 Dennis Laurijssen , Walter Daems , Jan Steckel

The field of autonomous driving has grown tremendously over the past few years, along with the rapid progress in sensor technology. One of the major purposes of using sensors is to provide environment perception for vehicle understanding,…

机器人学 · 计算机科学 2020-08-07 Zhi Yan , Li Sun , Tomas Krajnik , Yassine Ruichek

Automotive synthetic aperture radar (SAR) can achieve a significant angular resolution enhancement for detecting static objects, which is essential for automated driving. Obtaining high resolution SAR images requires precise ego vehicle…

信号处理 · 电气工程与系统科学 2022-04-25 Oded Bialer , Tom Tirer

The use of an infrared sensor as a new alternative to measure position as a function of time in kinematic experiments was investigated using a microcontroller as data acquisition and control device. These are versatile sensors that offer…

物理教育 · 物理学 2016-02-04 F. Marinho , L. Paulucci

This study presents the progress of our recent research regarding wireless measurements of the human body. First, we explain radar imaging algorithms for screening passengers at security checkpoints that can process data faster than…

信号处理 · 电气工程与系统科学 2020-12-04 Takuya Sakamoto

Portable ultra-stable lasers are essential for high-precision measurements. This study presents a 1550 nm vehicle-portable ultra-stable laser designed for continuous real-time operation on highways. We implement several measures to mitigate…

光学 · 物理学 2026-01-07 Dongdong Jiao , Qing Li , Jing Gao , Linbo Zhang , Mengfan Wu , Qi Zang , Jianing Wang , Guanjun Xu , Tao Liu

In this paper, we report the development of an intensity modulated fiber optic sensor for angular displacement measurement. This sensor was designed to present high sensitivity, linear response, wide bandwidth and, furthermore, to be simple…

仪器与探测器 · 物理学 2017-06-27 João M. S. Sakamoto , Cláudio Kitano , Gefeson M. Pacheco , Bernhard R. Tittmann

To accurately estimate locations and velocities of surrounding targets (cars) is crucial for advanced driver assistance systems based on radar sensors. In this paper we derive methods for fusing data from multiple radar sensors in order to…

信号处理 · 电气工程与系统科学 2019-08-08 Bin Zhu , Augusto Ferrante , Johan Karlsson , Mattia Zorzi

The demand from industry to produce accurate acceleration measurements down to ever lower frequencies and with ever lower noise is increasing. Different vibration transducers are used today for many different purposes within this area, like…

信号处理 · 电气工程与系统科学 2020-05-20 Henrik Ingerslev , Søren Andresen , Jacob Holm Winther

Although the number of camera-based sensors mounted on vehicles has recently increased dramatically, robust and accurate object velocity detection is difficult. Additionally, it is still common to use radar as a fusion system. We have…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Toru Saito , Toshimi Okubo , Naoki Takahashi
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