54 citations · 147 across the 28 of their papers we have counts for
29 papers
Application-Driven Architecture Exploration for Cross-Layer Heterogeneous Systems
Yuchen Fan, Minghong Sun, Jikui Ma +19
AI and HPC infrastructure increasingly serves workload portfolios that combine dense tensor computation, sparse kernels, large memory footprints, and communication-intensive collec…
Feature-based Inversion of 2.5D Controlled Source Electromagnetic Data using Generative Priors
Hongyu Zhou, Haoran Sun, Rui Guo +3
In this study, we investigate feature-based 2.5D controlled source marine electromagnetic (mCSEM) data inversion using generative priors. Two-and-half dimensional modeling using fi…
Attenuation Compensation in Lossy Media via the Wave Operator Model
Tianchen Shao, Zekui Jia, Maokun Li +2
The wave operator model provides a framework for modeling wave propagation by encoding material parameter distributions into matrix-form operators. This paper extends this framewor…
A 2-bit Ku-band Digital Metasurface with Infinitely Scalable Capability
Xiaocun Zong, Hao Shi, Fan Yang +3
In this letter, we present the design and implementation of a 2-bit digaital metasurface operating in the Ku-band, engineered to exhibit advanced polarization conversion characteri…
Anti-Interference Communication Using Computational Antenna
Xiaocun Zong, Fan Yang, Shenheng Xu +1
This letter proposes a novel anti-interference communication method leveraging computational antennas, utilizing time averaging and 1-bit reconfigurable intelligent surfaces (RIS)…
A Novel Beam Tracking Approach for Preventing Beam Collapse
Xiaocun Zong, Fan Yang, Shenheng Xu +1
To address the issue of beam collapse resulting from instantaneous instability during switch transitions in beam tracking, this paper proposes a novel beam switching method based o…
A Differentiable Framework for Full and Phaseless Data Inversion Using Neural Implicit Contrast-Source Representation
Haoran Sun, Daoqi Liu, Hongyu Zhou +3
In this study, we extend the contrast source inversion to a fully differentiable, unsupervised framework based on a neural implicit representation of the contrast source. Specifica…
Improving Beam Granularity Performance of Reconfigurable Refelctarray Radars via Spatial Quantization and Phase Quantization Approach
Xiaocun Zong, Fan Yang, Shenheng Xu +1
In this paper, the impacts of spatial quantization and phase quantization on the beam granularity characteristic of reconfigurable reflectarray (RRA) radars are systematically inve…
RIS Assisted Wireless Communication: Advanced Modeling, Simulation, and Analytical Insights
Xiaocun Zong, Fan Yang, Zhijun Zhang +2
This article presents a novel perspective to model and simulate reconfigurable intelligent surface (RIS)-assisted communication systems. Traditional methods in antenna design often…
X-RIS: A Study of the Principles and Applications of X-Shaped RIS
Xiaocun Zong, Binchao Zhang, Fan Yang +3
This paper analyzes the working principle of X-Shaped reconfigurable intelligent surface (RIS) in detail and reveals the different types of RIS that can be designed based on this s…
A Study of Four-Switch Cross-Shaped RIS and A Novel Design Example
Xiaocun Zong, Binchao Zhang, Fan Yang +2
This paper analyzes the working principle of four-switch cross-shaped reconfigurable intelligent surface (RIS) in detail and reveals the different types of RIS that can be designed…
Spatial Quantization: Advancing Insights for Enhancing RRAs Performance
Xiaocun Zong, Fan Yang, Shenheng Xu +1
In the new perspective of spatial quantization, this article systematically studies the advantages of reconfigurable reflectarray (RRA) designed with closely spaced elements in ter…
Multi-frequency Neural Born Iterative Method for Solving 2-D Inverse Scattering Problems
Daoqi Liu, Tao Shan, Maokun Li +2
In this work, we propose a deep learning-based imaging method for addressing the multi-frequency electromagnetic (EM) inverse scattering problem (ISP). By combining deep learning t…
Centralized active reconfigurable intelligent surface: Architecture, path loss analysis and experimental verification
Changhao Liu, Fan Yang, Shenheng Xu +2
Reconfigurable intelligent surfaces (RISs) are promising candidate for the 6G communication. Recently, active RIS has been proposed to compensate the multiplicative fading effect i…
In-Band Co-Polarization Scattering Beam Scanning of Antenna Array Based on 1-Bit Reconfigurable Load Impedance
Binchao Zhang, Fan Yang, Shenheng Xu +2
Controlling the in-band co-polarization scattering of the antenna while maintaining its radiation performance is crucial for the low observable platform. Thus, this paper studies t…
Spatio-Temporal Classification of Lung Ventilation Patterns using 3D EIT Images: A General Approach for Individualized Lung Function Evaluation
Shuzhe Chen, Li Li, Zhichao Lin +8
The Pulmonary Function Test (PFT) is an widely utilized and rigorous classification test for lung function evaluation, serving as a comprehensive tool for lung diagnosis. Meanwhile…
1 Bit Electronically Reconfigurable Transmitarray Antenna with Out-of-Band Scatter Suppression
Binchao Zhang, Fan Yang, Shenheng Xu +2
Stealthy electronically reconfigurable transmitarray antennas are essential components in wireless communication and radar detection systems. Therefore, this paper proposes a 1 bit…
A Beam-Steering Reflectarray Antenna with Arbitrary Linear-Polarization Reconfiguration
Changhao Liu, Songlin Zhou, Fan Yang +2
This work presents a beam-steering reflectarray antenna that achieves arbitrary linear polarization (LP) reconfiguration. This antenna employs a dual-circular polarization (CP) rec…
Transmission efficiency limit of single-switch and cascaded reconfigurable transmitarray elements
Changhao Liu, Fan Yang, Shenheng Xu +1
Reconfigurable transmitarray antennas (RTAs) are rapidly gaining popularity, but optimizing their performance requires systematic design theories. In particular, establishing a per…
Reconfigurable Metasurface: A Systematic Categorization and Recent Advances
Changhao Liu, Fan Yang, Shenheng Xu +1
Considering the rapid progress of theory, design, fabrication and applications, metasurface (MTS) has become a new research frontier in microwave, terahertz and optical bands. Reco…
Analysis of Degrees of Freedom in Scattered Fields for Nonlinear Inverse Scattering Problems
Zhichao Lin, Rui Guo, Tao Shan +4
In the study of nonlinear inverse scattering problems (ISPs), the traditional method for estimating the number of degrees of freedom (NDoF) of the scattered field does not consider…
Deep-Learning-Empowered Inverse Design for Freeform Reconfigurable Metasurfaces
Changhao Liu, Fan Yang, Maokun Li +1
The past decade has witnessed the advances of artificial intelligence with various applications in engineering. Recently, artificial neural network empowered inverse design for met…
A Radiation Viewpoint of Reconfigurable Reflectarray Elements: Performance Limit, Evaluation Criterion and Design Process
Changhao Liu, You Wu, Songlin Zhou +4
Reconfigurable reflectarray antennas (RRAs) have rapidly developed with various prototypes proposed in recent literatures. However, designing wideband, multiband, or high-frequency…
Physics Embedded Machine Learning for Electromagnetic Data Imaging
Rui Guo, Tianyao Huang, Maokun Li +2
Electromagnetic (EM) imaging is widely applied in sensing for security, biomedicine, geophysics, and various industries. It is an ill-posed inverse problem whose solution is usuall…