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Zhi Hua Ren
Zhi Hua Ren
Zuckerman Institute, Columbia University, NY, USA.
Verified email at columbia.edu
Title
Cited by
Cited by
Year
Design and optimization of a ring-pair permanent magnet array for head imaging in a low-field portable MRI system
ZH Ren, WC Mu, SY Huang
IEEE Transactions on Magnetics 55 (1), 1-8, 2018
742018
High-efficient rectifier with extended input power range based on self-tuning impedance matching
P Wu, SY Huang, W Zhou, ZH Ren, Z Liu, K Huang, C Liu
IEEE Microwave and Wireless Components Letters 28 (12), 1116-1118, 2018
482018
A wide dynamic range rectifier array based on automatic input power distribution technique
P Wu, Y Chen, W Zhou, ZH Ren, SY Huang
IEEE Microwave and Wireless Components Letters 30 (4), 437-440, 2020
362020
Portable low-cost MRI system based on permanent magnets/magnet arrays
SY Huang, ZH Ren, S Obruchkov, JI Gong, R Dykstra, W Yu
arXiv preprint arXiv:1812.10474, 2018
322018
A low-field portable magnetic resonance imaging system for head imaging
ZH Ren, S Obruchkov, DW Lu, R Dykstra, SY Huang
2017 Progress in Electromagnetics Research Symposium-Fall (PIERS-FALL), 3042 …, 2017
312017
An irregular-shaped inward-outward ring-pair magnet array with a monotonic field gradient for 2D head imaging in low-field portable MRI
ZH Ren, J Gong, SY Huang
IEEE Access 7, 48715-48724, 2019
252019
Magnet array for a portable magnetic resonance imaging system
ZH Ren, L Maréchal, W Luo, J Su, SY Huang
2015 IEEE MTT-S 2015 International Microwave Workshop Series on RF and …, 2015
232015
Effects of encoding fields of permanent magnet arrays on image quality in low-field portable MRI systems
J Gong, SY Huang, ZH Ren, W Yu
IEEE Access 7, 80310-80327, 2019
152019
The design of a short solenoid with homogeneous B1 for a low-field portable MRI scanner using genetic algorithm
ZH Ren, SY Huang
poster, ISMRM 26th Annual Meeting & Exhibition, 2018
52018
Portable Low-cost MRI System based on Permanent Magnets
SY Huang, ZH Ren, S Obruchkov, J Gong, R Dykstra, W Yu
Magnet Arrays, 2018
52018
A convertible magnet array and solenoid coil for a portable magnetic resonance imaging (MRI) system
ZH Ren, W Zhou, SY Huang
25th ISMRM Annual Meeting 2687, 2017
42017
Sparse Inward-outward (IO) Ring-Pair Permanent Magnet Array (PMA) with a Light Rotation Load for Low-field Head Portable MRI
WC Mu, J Gong, ZH Ren, W Yu, SY Huang
Preprint, 2019
32019
Harmonic-based integrated rectifier–transmitter for uncompromised harvesting and low-power uplink
P Wu, SP Gao, YD Chen, ZH Ren, P Yu, Y Guo
IEEE Transactions on Microwave Theory and Techniques 71 (2), 870-880, 2022
22022
A new yokeless permanent magnet array with high field strength and high field homogeneity for low-field portable MRI system
ZH Ren, WC Mu, SY Huang
Joint Annual Meeting ISMRM-ESMRMB, Paris, France 1743, 2018
22018
Second-and Third-Harmonic Backscatter through a Bandstop Filter Using Defected Ground Structure
D Che, C Liu, H He, ZH Ren, P Wu
IEEE Transactions on Circuits and Systems II: Express Briefs, 2023
12023
An Irregular Aubert Ring-Pair-Aggregate Optimized with Improved Gradient for Head Imaging in a Low-field Portable MRI System
ZH Ren, J Gong, SY Huang
ISMRM 27th Annual Meeting & Exhibition 4, 2019
12019
An Aubert Ring Aggregate Magnet Helmet for 3D Head Imaging in a Low-field Portable MRI
ZH Ren, SY Huang
ISMRM 27th Annual Meeting & Exhibition 3, 2019
12019
A Novel and Efficient No-tuning Inductive-coupling Q-damping Circuit for a Low-field Portable MRI System
ZH Ren, G Yang, P Wu, S Obruchkov, R Dykstra, SY Huang
27th ISMRM Annual Meeting, 1544, 2019
12019
A Novel Optimization Method for the Design of Permanent Magnet Array and its Application to a Portable Magnetic Resonance Imaging (MRI) System
ZH Ren, SY Huang
24th International Society for Magnetic Resonance in Medicine Annual Meeting …, 2017
12017
Metamaterial Double-loop RF Head Coil for UHF MRI: A Numerical Evaluation and Experimental Verification at 7T
E Motovilova, Y Gao, Z Ren, X Zhang, SY Huang
ISMRM Proceedings, 2017
12017
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Articles 1–20