Results 61 to 70 of about 19,384 (158)

Research on a mmWave Beam-Prediction Algorithm with Situational Awareness Based on Deep Learning for Intelligent Transportation Systems

Applied Sciences, 2022
Simply speaking, automatic driving requires the calculation of a large amount of traffic data and, finally, the obtainment of the optimal driving route and speed.
Jia Liang, Kaiming Li, Qun Zhang, Zisen Qi   +3 more
doaj   +1 more source

A Waveform and Velocity Ambiguity Resolution Method for Corner Radar

Applied Sciences
Millimeter-wave radar is experiencing an increasing demand for higher resolution and elevation measurement, necessitating its evolution from 3D millimeter-wave radar systems to 4D millimeter-wave radar.
Yu Liu, Dan Zhang, Shuo Wang, Jiazai Liu
doaj   +1 more source

A CFAR Algorithm Based on Monte Carlo Method for Millimeter-Wave Radar Road Traffic Target Detection

Remote Sensing, 2022
The development of Intelligent Transportation Systems (ITS) puts forward higher requirements for millimeter-wave radar surveillance in the traffic environment, such as lower time delay, higher sensitivity, and better multi-target detection capability ...
Bo Yang, Hua Zhang
doaj   +1 more source

Digital modelling method of coal-mine roadway based on millimeter-wave radar array

Scientific Reports
The roadway space of coal mine is narrow, and the illumination is low and uneven. Dynamic mining is accompanied by dust and water mist. The accuracy and reliability of roadway data collected by vision and laser sensors are poor.
Xusheng Xue, Xingyun Yang, Jianing Yue, Qinghua Mao, Yihan Qin, Hongwei Ma, Jianxin Yang, Huahao Wan, Enqiao Zhang, Junbiao Qiu, Xiaopeng Li, Rongquan Wang   +11 more
doaj   +1 more source

Monolithic Millimeter-ware Frequency Multipliers [PDF]

, 2011
l'obbiettivo di questa tesi è la progettazione di moltiplicatori di frequenza monolitici in tecnologia INFINEON SiGe bipolare. I moltiplicatori progettati sono frequency octuplers basati su tre frequency doublers in cascata seguiti da un buffer d'uscita.
Fant, Tommaso
core  

Signal Processing Methods to Improve Ocean Surface Wave Estimation from a High Frequency Surface Wave Radar [PDF]

, 2011
High frequency surface wave radars are operated as a remote sensor to measure ocean surface parameters to ranges exceeding 200-300 km from the coastline.
Wang, Wei
core  

Active millimeter-wave imaging using raster scanner

, 2022
Paper 730808A millimeter-wave imaging system has been developed operating at a center frequency of 94 GHz. The system has a single stationary mounted transmit and receive lensed horn antenna and two moving mirrors in x and y.
Leuther, Arnulf, Hülsmann, A., Ambacher, Oliver, Schlechtweg, M., Liebelt, A., Tessmann, Axel   +5 more
core   +1 more source

MILLIMETER WAVE RADAR DESIGN CONSIDERATIONS

Electrica, 2003
This study addresses the design considerations of an air to ground millimeter wave radar (seeker). Briefly, all major aspects such as seeker components, required mathematical formulation, system parameters, signal processing is included.
Osman YILDIRIM
doaj   +2 more sources

Sea Fog Recognition near Coastline Using Millimeter-Wave Radar Based on Machine Learning

Atmosphere
Sea fog is a hazardous natural phenomenon that reduces visibility, posing a threat to ports and nearshore navigation, making the identification of nearshore sea fog crucial.
Tao Li, Jianhua Qiu, Jianjun Xue
doaj   +1 more source

Multi-frequency HF radar measurements of artificial F-region field-aligned irregularities [PDF]

, 2004
International audienceWe present radar backscatter power measurements using the CUTLASS HF radar at Hankasalmi, Finland from F-region field-aligned irregularities induced by HF radio pumping with the EISCAT Heating facility.
A. Senior, Rietveld, Michael T., Kosch, M.J., Borisov, N. D., Honary, F., Rietveld, M. T., Senior, A., T. K. Yeoman, Borisov, N.D., M. T. Rietveld, Kosch, M. J., M. J. Kosch, F. Honary, Yeoman, T. K., N. D. Borisov, Yeoman, T.K.   +15 more
core   +1 more source