Results 31 to 40 of about 31,654 (96)

Integrated Photonic Gyroscopes

Electromagnetic Science
Integrated photonic gyroscopes (IPGs) have emerged as a promising alternative to other gyroscopes, providing high sensitivity, compactness, and low power consumption, especially being more conducive to integration.
Qihang Ai, Mengxi Tan, Max Herbold, Rebecca Russell, Aditya Dubey, Guanghui Ren, Thach G. Nguyen, Dan Yang, Arnan Mitchell   +8 more
doaj   +1 more source

A Multiple-Input Multiple-Output Inverse Synthetic Aperture Radar Imaging Method Based on Multidimensional Alternating Direction Method of Multipliers

Leida xuebao, 2021
The disadvantages of the traditional Inverse Synthetic Aperture Radar (ISAR) imaging method based on Fourier transform include large data storage and long collection time.
Likang DENG, Shuanghui ZHANG, Chi ZHANG, Yongxiang LIU   +3 more
doaj   +1 more source

Achieving Many-Fold Reduction in Active Elements with a Highly-Directive Beam-Steerable Huygens Box Antenna

Electromagnetic Science
Recent explorations and advancements in communications systems have sparked a renewed fascination with beam-steerable high-gain antennas. While conventional active phased arrays have been long seen as a feasible solution, the associated cost is a major ...
Kayode Adedotun Oyesina, Alex M. H. Wong
doaj   +1 more source

River-Net: A Novel Neural Network Model for Extracting River Channel Based on Refined-Lee Kernel

Leida xuebao, 2022
High-precision extraction of river boundaries in Synthetic Aperture Radar (SAR) images is of great significance in monitoring rivers. In this paper, the detection of the health of the Yellow River after the rainstorm in 20 July, 2021 in Zhengzhou is the ...
Ning LI, Zhishun GUO, Lin WU, Jianhui ZHAO   +3 more
doaj   +1 more source

Fast Analysis of Multi-Layered Anisotropic Electromagnetic Propagation Based on Z-Transform Finite-Difference Time-Domain Method with Scale-Compressed Technique

Electromagnetic Science
In this work, we develop a novel computational method, referred to as SCT-Z-FDTD, which integrates the Z-transform finite-difference time-domain algorithm with a scale-compressed technique incorporating wave vectors.
Yuxian Zhang, Yilin Kang, Xiaoli Feng, Lixia Yang, Zhixiang Huang   +4 more
doaj   +1 more source

Adaptive Spectral Polarization Filter Design for Dual-polarization Weather Radar

Leida xuebao, 2022
This paper proposes an adaptive filtering method called the Adaptive Moving spectral Depolarization Ratio (AMsDR) filter to mitigate the clutter for dual-polarization weather radar based on Jensen-Shannon divergence principle.
Mengyun AN, Jiapeng YIN, Jiankai HUANG, Chen PANG, Yongzhen LI, Xuesong WANG   +5 more
doaj   +1 more source

UMNH:Mamm:766

, 2022
UMNH:Mamm:766 Voucher Specimen Study ...
UMNH VZ Staff
core  

MiR-766-3p Suppresses Malignant Behaviors and Stimulates Apoptosis of Colon Cancer Cells via Targeting TGFBI

, 2022
Background. MicroRNAs (miRNAs) can affect the progression of colon cancer cells. A variety of miRNAs, especially miR-766-3p, are proved to be abnormally expressed in colon cancer, but the molecular mechanism of miR-766-3p in this cancer has not yet been ...
Lexue Fei, Hua Li, Jianchao Gao, Xiaotang Wu   +3 more
core   +1 more source

Research on Ship Feature Recognition and Tracking Method Based on Long-line Array Single-photon LiDAR

Leida xuebao
In recent years, surface ship target tracking has been an important issue that needs to be solved in autonomous ship navigation. For three-dimensional environmental perception, LiDAR has the characteristics of high resolution and high precision, for ...
Ziqiang PENG, Han WANG, Ruikai XUE, Xiaokai SHE, Genghua HUANG   +4 more
doaj   +1 more source

Impurity spin in normal stochastic field: basic model of magnetic resonance [PDF]

Magnetic Resonance in Solids, 2016
Famous Anderson-Weiss-Kubo model of magnetic resonance is reconsidered in order to bridge existing gaps in its applications for solutions of fundamental problems of spin dynamics and theory of master equations.
Dzheparov F.S., Lvov D.V.
doaj