Results 21 to 30 of about 31,654 (96)

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

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

Wide-angle, Ultra-wideband, and Polarization-insensitive Circuit Analog Absorbers

Leida xuebao, 2021
Most previous circuit analog absorbers only considered absorption performance under normal incidences, leading to bad absorption for large incident angles, particularly those > 30°.
Zhixin YAO, Shaoqiu XIAO
doaj   +1 more source

Optimization Methodology for Meningioma and Acoustic Neuroma Detection Model Based on DCGAN

Chinese Journal of Magnetic Resonance
Due to the extreme similarity in imaging manifestations and locations of onset between meningiomas and acoustic neuromas in the CPA (cerebellopontine angle) region of the human body, clinical diagnosis is prone to misdiagnosis.
CHEN Jingcong, RAN Fengwei, ZHANG Haowei, LIU Ying   +3 more
doaj   +1 more source

A Robust Perception Algorithm Based on a Radar and LiDAR for Intelligent Driving

Leida xuebao, 2021
Multi-sensor fusion perception is one of the key technologies to realize intelligent automobile driving, and it has become a hot issue in the field of intelligent driving.
Xiangwei DANG, Fei QIN, Xiangxi BU, Xingdong LIANG   +3 more
doaj   +1 more source