Results 1 to 10 of about 30,659 (303)

Portable Microwave Radar Systems for Short-Range Localization and Life Tracking: A Review [PDF]

Sensors, 2019
Short-range localization and life tracking have been hot research topics in the fields of medical care, consumer electronics, driving assistance, and indoor robots/drones navigation. Among various sensors, microwave and mm-wave continuous-wave (CW) radar
Zhengyu Peng, Changzhi Li
doaj   +5 more sources

24 GHz short range radar system measurements for synthetic aperture radar imaging

2017 IEEE Microwaves, Radar and Remote Sensing Symposium (MRRS), 2017
In this paper, 24 GHz short-range radar measurements and synthetic aperture radar (SAR) imaging results are presented. The designed radar system has one transmitter and one receiver channel and 24 GHz output carrier signal is modulated with 50 MHz square wave at the transmitter channel.
Caliskan, Alper, Yamac, Yunus Emre, Uysal, Husamettin, Turk, Ahmet Serdar, Kizilay, Ahmet, Orhan, Melek   +5 more
exaly   +6 more sources

Short-Range Radar Based Real-Time Hand Gesture Recognition Using LSTM Encoder

IEEE Access, 2019
Due to the development of short-range radar with high-resolution, the radar sensor has a high potential to be used in real human-computer interaction (HCI) applications.
Jae-Woo Choi, Si-Jung Ryu, Jong-Hwan Kim
doaj   +3 more sources

A Hybrid Millimeter-Wave Radar–Ultrasonic Fusion System for Robust Human Activity Recognition with Attention-Enhanced Deep Learning [PDF]

Sensors
To address the tradeoff between environmental robustness and fine-grained accuracy in single-sensor human behavior recognition, this paper proposes a non-contact system fusing 77 GHz SIFT (mmWave) radar and a 40 kHz ultrasonic array. The system leverages
Liping Yao, Kwok L. Chung, Luxin Tang, Tao Ye, Shiquan Wang, Pingchuan Xu, Yuhao Bi, Yaowen Wu   +7 more
doaj   +2 more sources

Dual-Mode Radar Sensor for Indoor Environment Mapping

Sensors, 2021
In this paper, we introduce mapping results in an indoor environment based on our own developed dual-mode radar sensor. Our radar system uses a frequency-modulated continuous wave (FMCW) with a center frequency of 62 GHz and a multiple-input multiple ...
Seongwook Lee, Song-Yi Kwon, Bong-Jun Kim, Hae-Seung Lim, Jae-Eun Lee   +4 more
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Detection of Electronic Devices Using FMCW Nonlinear Radar

Sensors, 2022
Nonlinear radars can be utilized to detect electronic devices, which are difficult to detect with conventional radars due to their small radar cross sections (RCS).
Kyuho Cha, Sooyoung Oh, Hayoung Hong, Hongsoo Park, Sun K. Hong   +4 more
doaj   +1 more source

Research on real-time elimination of ultra-wideband radar ranging abnormal value data [PDF]

Geoscientific Instrumentation, Methods and Data Systems, 2021
For indoor positioning, ultra-wideband (UWB) radar comes to the forefront due to its strong penetration, anti-jamming, and high-precision ranging abilities.
X. Yan, H. Liu, G. Xin, H. Huang, Y. Jiang, Z. Guo   +5 more
doaj   +1 more source

Signal Simulation of Dual-Polarization Weather Radar and Its Application in Range Ambiguity Mitigation

Atmosphere, 2022
In this paper, a dual-polarization weather radar echo signal simulation method is proposed for the evaluation of the performance enhancement of dual-polarization weather radar systems, the optimization of signal processing algorithms and the improvement ...
Shaojun Dai, Xuehua Li, Zhichao Bu, Yajun Chen, Jianxin He, Minghua Li, Maojie Xiong   +6 more
doaj   +1 more source

Frequency Domain Imaging Algorithms for Short-Range Synthetic Aperture Radar

Remote Sensing, 2023
In order to achieve miniaturization, short-range radar (SRR) generally adopts millimeter-wave (MMW) radar with a frequency-modulated continuous-wave (FMCW) system, which may make the stop–go–stop assumption in traditional synthetic aperture radar (SAR ...
Fatong Zhang, Chenyang Luo, Yaowen Fu, Wenpeng Zhang, Wei Yang, Ruofeng Yu, Shangqu Yan   +6 more
doaj   +1 more source

Cylindrical MIMO-SAR Imaging and Associated 3-D Fourier Processing

IEEE Open Journal of Antennas and Propagation, 2022
In this paper, we propose a new three dimensional cylindrical imaging system based on the combination of a multiple-input multiple-output arc array in azimuth and a synthetic aperture radar on the vertical dimension for applications focused on buried ...
Fabien Berland, Thomas Fromenteze, Cyril Decroze, Ettien L. Kpre, Damien Boudesocque, Vincent Pateloup, Philippe Di Bin, Christelle Aupetit-Berthelemot   +7 more
doaj   +1 more source