Results 21 to 30 of about 758,992 (98)

Overview of Signal Processing Techniques for Automotive Millimeter-wave Radar

Leida xuebao, 2023
As one of the core components of Advanced Driver Assistance Systems (ADAS), automotive millimeter-wave radar has become the focus of scholars and manufacturers at home and abroad because it has the advantages of all-day and all-weather operation ...
Yan HUANG, Hui ZHANG, Lyuhongkang LAN, Kun DENG, Yang YANG, Ruizhe ZHANG, Jiang LIU, Yanjun ZHANG, Yunxuan WANG, Rui ZHOU, Jun XU, Xinsuo XI, Xia ZHANG, Kaihang ZHENG, Yuming LIU, Wei HONG   +15 more
doaj   +1 more source

A Scheme for Generating Discontinuous Microwave Inquiry Signal in Rubidium Atomic Frequency Standard

Chinese Journal of Magnetic Resonance, 2020
The microwave probing signal of the rubidium atomic frequency standard (RAFS) is used to excite the transitions between the ground-state energy levels of rubidium atoms, and realize resonance detection.
BAO Wan-jing, ZENG Qing-qi, YU Fang, QIN Lei, CHEN Zhi-yong   +4 more
doaj   +1 more source

Super-resolution DOA Estimation Method for a Moving Target Equipped with a Millimeter-wave Radar Based on RD-ANM

Leida xuebao, 2023
Super-resolution Direction of Arrival (DOA) estimation is a critical problem related to vehicle-borne Millimeter-wave radars that needs to be solved to realize accurate target positioning and tracking.
Yue SHU, Dongning FU, Zhanye CHEN, Yan HUANG, Yanjun ZHANG, Xiaoheng TAN, Jun TAO   +6 more
doaj   +1 more source

Calculating Porosity From Two-Dimensional NMR Relaxation Spectra of the Leikoupo Group's 4th Section

Chinese Journal of Magnetic Resonance, 2020
Formation porosity can be calculated from one-dimensional nuclear magnetic resonance (NMR) logging data with a fixed cutoff value and the volume model of conventional logging data.
HOU Ke-jun, WU Jian-meng, GE Xiang, ZHANG Shi-mao   +3 more
doaj   +1 more source

Three-dimensional Imaging of Tomographic SAR Based on Adaptive Elevation Constraint

Leida xuebao, 2023
Synthetic Aperture Radar Tomography (TomoSAR) has emerged as a hot research topic in the field of SAR imaging, particularly for three-dimensional (3D) urban imaging in recent years.
Zishuai REN, Zhao ZHANG, Yuxin GAO, Rui GUO   +3 more
doaj   +1 more source

Application of Generative Adversarial Networks Based on Global and Local Feature Information in Hippocampus Segmentation

Chinese Journal of Magnetic Resonance
Due to the complex structure and small size of the hippocampus, precise segmentation of the hippocampus remains challenging. To address this issue, this study proposes a generative adversarial network (GAN) based on global and local feature information ...
WEI Zhihong, KONG Xudong, KONG Yan, YAN Shiju, DING Yang, WEI Xianding, KONG Dong, YANG Bo   +7 more
doaj   +1 more source

A Design Scheme for 1H/31P Dual-Nuclear Parallel MRI Coil

Chinese Journal of Magnetic Resonance, 2020
Based on the principle of birdcage coil and the decoupling theory of array coil, a design scheme for dual-nuclear magnetic resonance imaging (MRI) coil is proposed. A LC parallel trap is used to improve the adaptability of the inductive decoupling scheme.
LIAO Zhi-wen, CHEN Jun-fei, YANG Chun-sheng, ZHANG Zhi, CHEN Li, XIAO Li-zhi, CHEN Fang, LIU Chao-yang   +7 more
doaj   +1 more source

Recent Progress in Intelligent Electromagnetic Sensing

Leida xuebao, 2021
Intelligent electromagnetic sensing, which is based on electromagnetic imaging, aims to realize the real-time and smart imaging and recognition of objects of interest.
Lianlin LI, Tiejun CUI
doaj   +1 more source

sj-docx-1-ini-10.1177_17534259221077078 - Supplemental material for Silencing of circ_0000205 mitigates interleukin-1β-induced apoptosis and extracellular matrix degradation in chondrocytes via targeting miR-766-3p/ADAMTS5 axis

, 2022
Supplemental material, sj-docx-1-ini-10.1177_17534259221077078 for Silencing of circ_0000205 mitigates interleukin-1β-induced apoptosis and extracellular matrix degradation in chondrocytes via targeting miR-766-3p/ADAMTS5 axis by Guowen Li, Heyuan Luo ...
Heyuan Luo (12482564), Zhiyong Ding (192957), Zhoupeng Lai (12482570), Shuzhen Chen (297742), Guowen Li (115601), Yuliang Huang (4252561), Haofeng Liang (12482567)   +6 more
core   +1 more source

Simulink-based Simulation Study of Continuous Wave Electron Paramagnetic Resonance Signal Processing and Detection

Chinese Journal of Magnetic Resonance
A simulation model of the CW-EPR (continuous wave electron paramagnetic resonance) system’s signal transmission, modulation, and detection is constructed using the Simulink platform.
CHEN Bo, LIU Quan, MA Lei, CHEN Shunian, JIA Yaqi, ZHU Bin, GUO Junwang   +6 more
doaj   +1 more source