Results 71 to 80 of about 19,384 (158)

Radar Mapping Technology Based on Millimeter-wave Multi-baseline InSAR

Leida xuebao, 2019
The characteristics of airborne millimeter-wave Interferometric Synthetic Aperture Radar (InSAR) include unrestricted light, large surveying width, and high mapping precision.
LI Jun, WANG Guanyong, WEI Lideng, LU Yaobing, HU Qingrong   +4 more
doaj   +1 more source

Assessment of Cloud Height Measurements Derived from Millimeter-wave Cloud Radar in China

应用气象学报
Millimeter-wave cloud radar serves as a high-resolution, all-weather, ground-based remote sensing instrument used for cloud vertical structure detection.
Gao Liangshu, Wang Huiying, Zhang Zhiqiang, Fan Dandan   +3 more
doaj   +1 more source

Techniques for homodyne dechirp-on-receive linearly frequency modulated radar

, 2011
This thesis presents work done to extend and improve the operation of homodyne dechirp-on-receive linearly frequency modulated radars. First, an investigation of the effect of common phase errors on the point response function of the radar is ...
Middleton, Robert
core  

Spectral analysis in high frequency radar oceanography [PDF]

, 2006
High Frequency radar systems provide a unique opportunity to measure evolving littoral oceanic dynamics at high temporal and spatial resolution. Backscattered electromagnetic signals from ocean waves are modulated by Bragg resonant scattering.
Middleditch, Andrew
core  

Millimeter-wave integrated radar systems and techniques

, 2017
Recent advances in semiconductor fabrication are providing the opportunity to build very small and cost-effective single chip integrated radar systems operating at millimeter-wave frequencies and beyond.
Sithamparanathan Kandeepan, Marco Martorella, Evans, Robin J., Bill Moran, Akram Al-Hourani, Moran, Bill, Udaya Parampalli, Stan Skafidas, Al-Hourani, Akram, Farrell, Peter M., Robin J. Evans, Peter M. Farrell, Parampalli, Udaya, Martorella, Marco; id_orcid, Kandeepan, Sithamparanathan, Martorella, Marco, Skafidas, Stan   +16 more
core   +1 more source

Multi-Person Action Recognition Based on Millimeter-Wave Radar Point Cloud

Applied Sciences
Human action recognition has many application prospects in human-computer interactions, innovative furniture, healthcare, and other fields. The traditional human motion recognition methods have limitations in privacy protection, complex environments, and
Xiaochao Dang, Kai Fan, Fenfang Li, Yangyang Tang, Yifei Gao, Yue Wang   +5 more
doaj   +1 more source

Millimetre wave imaging for concealed target detection

, 2011
PhDConcealed weapon detection (CWD) has been a hot topic as the concern about pub- lic safety increases. A variety of approaches for the detection of concealed objects on the human body based on earth magnetic ¯eld distortion, inductive magnetic ¯eld,
Zhang, Lianhong
core  

Multi Ray Model for Near-Ground Millimeter Wave Radar

Sensors, 2017
A quasi-optical multi-ray model for a short-range millimeter wave radar is presented. The model considers multi-path effects emerging while multiple rays are scattered from the target and reflected to the radar receiver. Among the examined scenarios, the
Ariel Etinger, Boris Litvak, Yosef Pinhasi   +2 more
doaj   +1 more source

Human fall detection method based on 4D point cloud and track information

Dianzi Jishu Yingyong
In family and medical health monitoring, timely and accurate real-time monitoring of elderly falls is an important topic, and millimeter wave radar has shown great application potential in non-contact fall detection.
Zhou Yang, Li Jianpeng, Wang Zhiyu, Liang Qingzhen   +3 more
doaj   +1 more source

Is fiber the catalyst for growth of the mobile wireless network? [PDF]

, 2015
This paper will focus on how the growth of the mobile wireless technology can be supported by optical fiber, through wireless over fiber technologies. The paper will include recent advances in the field of fiber-wireless convergence such as cloud-based ...
Ng, Wai Pang, Kanesan, Thavamaran, T. Kanesan, W. P. Ng   +3 more
core   +1 more source