47 citations · 104 across the 27 of their papers we have counts for
11 papers · 1 filter
Observation of gamma rays up to 320 TeV from the middle-aged TeV pulsar wind nebula HESS J1849000
M. Amenomori, S. Asano, Y. W. Bao +115
Gamma rays from HESS J1849000, a middle-aged TeV pulsar wind nebula (PWN), are observed by the Tibet air shower array and the muon detector array. The detection significance of…
Towards Imbalanced Large Scale Multi-label Classification with Partially Annotated Labels
XIn Zhang, Yuqi Song, Fei Zuo +1
Multi-label classification is a widely encountered problem in daily life, where an instance can be associated with multiple classes. In theory, this is a supervised learning method…
URLLC in IRS-Aided MIMO Systems: Finite Blocklength Analysis and Design
Xin Zhang, Shenghui Song
This paper investigates the ultra reliable and low latency communication (URLLC) performance of the IRS-aided MIMO system. The upper and lower bounds of the optimal average error p…
Optical study of three-dimensional Weyl semimetal MnSn
L. Y. Cao, Z. A. Xu, B. X. Gao +5
Three-dimensional (3D) Weyl semimetal MnSn has attracted tremendous attention due to its great application potential. However, the complex magnetic structures at different temp…
Understanding Privacy Over-collection in WeChat Sub-app Ecosystem
Xiaohan Zhang, Yang Wang, Xin Zhang +3
Nowadays the app-in-app paradigm is becoming increasingly popular, and sub-apps have become an important form of mobile applications. WeChat, the leading app-in-app platform, provi…
GICI-LIB: A GNSS/INS/Camera Integrated Navigation Library
Cheng Chi, Xin Zhang, Jiahui Liu +3
Accurate navigation is essential for autonomous robots and vehicles. In recent years, the integration of the Global Navigation Satellite System (GNSS), Inertial Navigation System (…
Active IRS-Aided MIMO Systems: How Much Gain Can We Get?
Zeyan Zhuang, Xin Zhang, Dongfang Xu +1
Intelligent reflecting surfaces (IRSs) have emerged as a promising technology to improve the efficiency of wireless communication systems. However, passive IRSs suffer from the ``m…
Fundamental Limits of Non-Centered Non-Separable Channels and Their Application in Holographic MIMO Communications
Xin Zhang, Shenghui Song, Khaled B. Letaief
The classical Rician Weichselberger channel and the emerging holographic multiple-input multiple-output (MIMO) channel share a common characteristic of non-separable correlation, w…
A Heterogeneous Parallel Non-von Neumann Architecture System for Accurate and Efficient Machine Learning Molecular Dynamics
Zhuoying Zhao, Ziling Tan, Pinghui Mo +5
This paper proposes a special-purpose system to achieve high-accuracy and high-efficiency machine learning (ML) molecular dynamics (MD) calculations. The system consists of field p…
Robust Extrinsic Self-Calibration of Camera and Solid State LiDAR
Jiahui Liu, Xingqun Zhan, Cheng Chi +2
This letter proposes an extrinsic calibration approach for a pair of monocular camera and prism-spinning solid-state LiDAR. The unique characteristics of the point cloud measured r…
Secrecy Analysis for MISO Broadcast Systems with Regularized Zero-Forcing Precoding
Xin Zhang, Shenghui Song, Yonina C. Eldar
As an effective way to enhance the physical layer security (PLS) for the broadcast channel (BC), regularized zero-forcing (RZF) precoding has attracted much attention. However, the…