Results 61 to 70 of about 177,847 (331)

Computationally Efficient DOA Tracking Algorithm in Monostatic MIMO Radar with Automatic Association

International Journal of Antennas and Propagation, 2014
We consider the problem of tracking the direction of arrivals (DOA) of multiple moving targets in monostatic multiple-input multiple-output (MIMO) radar. A low-complexity DOA tracking algorithm in monostatic MIMO radar is proposed. The proposed algorithm
Huaxin Yu, Xiaofei Zhang, Xueqiang Chen, Hailang Wu   +3 more
doaj   +1 more source

A Combined mmWave Tracking and Classification Framework Using a Camera for Labeling and Supervised Learning

Sensors, 2022
Millimeter wave (mmWave) radar poses prosperous opportunities surrounding multiple-object tracking and sensing as a unified system. One of the most challenging aspects of exploiting sensing opportunities with mmWave radar is the labeling of mmWave data ...
Andre Pearce, J. Andrew Zhang, Richard Xu   +2 more
doaj   +1 more source

RadarSLAM: Radar based Large-Scale SLAM in All Weathers

, 2020
Numerous Simultaneous Localization and Mapping (SLAM) algorithms have been presented in last decade using different sensor modalities. However, robust SLAM in extreme weather conditions is still an open research problem.
Hong, Ziyang, Petillot, Yvan, Wang, Sen
core   +1 more source

Practical classification of different moving targets using automotive radar and deep neural networks [PDF]

, 2018
In this work, the authors present results for classification of different classes of targets (car, single and multiple people, bicycle) using automotive radar data and different neural networks.
Angelov, Aleksandar, Fioranelli, Francesco, Murray-Smith, Roderick, Robertson, Andrew   +3 more
core   +1 more source

State of the Art of Low‐Frequency Acoustic Modulation: Intensity Enhancement and Directional Control

Advanced Science, EarlyView.
High intensity low‐frequency sound sources hold significant value in many fields. However, their long wavelength, strong penetrability, and tendency to diffract make direction control and intensity enhancement challenging. Acoustic generators and metamaterial‐based acoustic devices still face issues such as low energy efficiency, poor directional ...
Jingsong Xu, Yunfeng Ye, Tao Dong, Zhaochu Yang, Nuno Miguel Matos Pires, Yu Zhou, Fuyu Tao, Jin Wang, Junshan Zhang, Guoxi Luo, Libo Zhao, Qi Mao, Yangtao Wang, Zhuangde Jiang   +13 more
wiley   +1 more source

Interpersonal Distance Tracking with mmWave Radar and IMUs [PDF]

arXiv, 2023
Tracking interpersonal distances is essential for real-time social distancing management and {\em ex-post} contact tracing to prevent spreads of contagious diseases. Bluetooth neighbor discovery has been employed for such purposes in combating COVID-19, but does not provide satisfactory spatiotemporal resolutions. This paper presents ImmTrack, a system
arxiv  

Economical phased-array antenna for environmental applications [PDF]

, 1971
Antenna system handles data acquisition and tracking, functions as a sensitive radio telescope, and serves as a radiometer in earth atmosphere investigations. Antenna's sensitivity permits resolution of solar disk quadrants in Doppler radar observations.
Higgins, W. T.
core   +1 more source

Accurate Transcription Factor Activity Inference to Decipher Cell Identity from Single‐Cell Transcriptomic Data with MetaTF

Advanced Science, EarlyView.
MetaTF is a new computational framework that uses single‐cell RNA sequencing (scRNA‐seq) data to infer transcription factor activity with the aim to help in deciphering cells identity starting from a heterogeneous population, and apply it to characterize mouse hematopoietic stem cells and breast cancer epithelial cells, thus identifying a novel subset ...
Yongfei Hu, Yuanyuan Zhu, Guangjue Tang, Ming Shan, Puwen Tan, Ying Yi, Xiyuan Zhang, Man Liu, Xinyu Li, Le Wu, Jia Chen, Hailong Zheng, Yan Huang, Zhuan Li, Xiaobo Li, Dong Wang   +15 more
wiley   +1 more source

Power Allocation Scheme for Multi-Static Radar to Stably Track Self-Defense Jammers

Remote Sensing
Due to suppression jamming by jammers, the signal-to-interference-plus-noise ratio (SINR) during tracking tasks is significantly reduced, thereby decreasing the target detection probability of radar systems.
Gangsheng Zhang, Junwei Xie, Haowei Zhang, Weike Feng, Mingjie Liu, Cong Qin   +5 more
doaj   +1 more source

Oxytocin‐Mediate Modulation of Splenic Immunosuppression in Chronic Social Stress Through Neuroendocrine Pathways

Advanced Science, EarlyView.
Chronic social stress elevates oxytocin levels, leading to immunosuppression by enhancing regulatory T‐cell activity and promoting anti‐inflammatory macrophage polarization in the spleen. Blocking oxytocin signaling reverses these effects but worsens stress‐induced behavioral disorders and reduces survival rates. This highlights oxytocin's dual role in
Yi‐Shu Zhang, Hai‐Chao Chen, Jia‐Xin Cao, Si‐Wei Zhou, Yue‐Zhang Ma, Yu‐Hong Jing   +5 more
wiley   +1 more source