Results 71 to 80 of about 6,374 (186)

An improved trilateral positioning algorithm based on UWB

Gong-kuang zidonghua, 2019
In view of the problems that existing underground positioning algorithm based on UWB is complex and solution value is not global optimal, an improved trilateral positioning algorithm based on UWB was proposed.
YOU Xiaorong, PEI Hao, HUO Zhenlong
doaj   +1 more source

Accurate Permittivity Measurements for Microwave Imaging via Ultra-Wideband Removal of Spurious Reflectors

Sensors, 2010
The use of microwave imaging is becoming more prevalent for detection of interior hidden defects in manufactured and packaged materials. In applications for detection of hidden moisture, microwave tomography can be used to image the material and then ...
Mathew G. Pelletier, Joseph A. Viera, John Wanjura, Greg Holt   +3 more
doaj   +1 more source

Mine personnel cooperative location algorithm based on ultra-wideband

河南理工大学学报. 自然科学版
ObjectivesTo address the issues of positioning blind zones， low localization accuracy for personnel at the working face， and non-line-of-sight （NLOS） errors in underground mines， a cooperative localization algorithm based on ultra-wideband （UWB ...
Wang Lei, Zhang Wenbo, Yu Jinxia, He Junyi, Yuan Ruifu, Gao Yan   +5 more
doaj   +1 more source

Design of a compact UWB antenna with a partial ground plane on epoxy woven glass material

Science and Engineering of Composite Materials, 2017
A compact ultra-wideband (UWB) antenna is presented in this paper with a partial ground plane on epoxy woven glass material. The study is discussed to comprehend the effects of various design parameters with explicit parametric analyses.
Islam Md. Moinul, Islam Mohammad Tariqul, Faruque Mohammad Rashed Iqbal, Aldhaheri Rabah W., Samsuzzaman Md.   +4 more
doaj   +1 more source

Hardware design for high throughput， low latency MAC protocol based on IR-UWB

Dianzi Jishu Yingyong
For high-speed data transmission in IEEE 802.15.4, a customized MAC protocol with high-throughput and low-latency characteristic is proposed. It is concluded with in-depth analysis of the data transmission model and throughput of HRP UWB PHY, combined ...
Liu Hao, Lin Min, Zheng Liyin, Yu Ze
doaj   +1 more source

Locking control of underground signal lights based on improved Kalman filter and state observer

Gong-kuang zidonghua
During underground ramp transportation in non-coal mines, traditional signal light locking control method is ineffective due to insufficient UWB dynamic positioning accuracy, long sampling interval of vehicle positioning cards, and data loss.
WANG Xueming, HUANG Jingzhi, SONG Chuanzhi, WU Daifeng   +3 more
doaj   +1 more source

„Śmierć, pogrzeb i modlitwa za zmarłych w Kościele prawosławnym”. Recenzja monografii abp. prof. zw. Jerzego Pańkowskiego

Elpis, 2019
Marek Ławreszuk
doaj   +1 more source

Enhanced Indoor Mobile Robot Localization via Lie-Group IMU-UWB Fusion and Dual-Stage Kalman Filtering. [PDF]

Sensors (Basel)
He Z, Tang X, Li M, Zhang F.
europepmc   +1 more source

Tomato Ripeness Detection and Localization Based on the Intelligent Inspection Robot Platform. [PDF]

Sensors (Basel)
Li X, Liang L, Liu Y, Lu J.
europepmc   +1 more source

An improved grey wolf optimization algorithm for 3-D UWB indoor positioning. [PDF]

PLoS One
Zhou J, Li B, Yang S, Liu C.
europepmc   +1 more source