Hangzhou Dianzi University

A Millimeter-Wave Dual-Band Substrate Integrated Waveguide Filter with Complementary Split Ring Resonators

This paper presents a millimeter-wave dual-band bandpass filter based on a substrate integrated waveguide (SIW). The dual-band response is realized by embedding two pairs of complementary split-ring resonators (CSRRs) with different dimensions in the SIW cavity. Their geometry-de...

Tertiary Amine Pendants‐Mediated Charge Regulation for Tunable Resistive Switching in Fully Printed NDI ‐ MXene Memristors

ABSTRACT Flexible in‐memory computing devices and neuromorphic computing systems urgently demand resistive random‐access memory devices that are compatible with large‐area, low‐cost printing technologies and feature tunable resistive switching behavior. Herein, an n‐type conjugat...

Ensemble fire probability prediction by integrating meteorological AI models with lightweight prediction networks

Wildfires pose persistent threats to ecosystems and human safety, making timely fire-risk assessment essential for disaster prevention and resource management. However, conventional wildfire early-warning approaches are often constrained by static fire-weather indices or machine-...

A local shape-aware compensation approach to improve the geometric accuracy of layer contours in 3D printing

Purpose This study aims to enhance the geometric accuracy of layer external contours of 3D-printed parts by implementing a local shape-aware compensation approach. Design/methodology/approach Systematic experiments analyze the positional deviations of points along layer contours...

Integrating Dynamic Graph Representation and Reinforcement Learning for Portfolio Optimization

The complex dependency relationships and high-frequency, time-varying characteristics of financial market data pose many challenges to portfolio optimization. To address these problems, this paper proposes a robust portfolio optimization framework—dynamic graph reinforcement lear...

Coupled Oscillation‐Rotation Dynamics of Finite Dusty Plasma Clusters in a Gaussian Well: Role of the Confinement Radius

ABSTRACT The collective dynamics of strongly coupled dusty plasmas under external confinement remains insufficiently understood when the spatial scale of the potential is varied. Using two‐dimensional molecular dynamics simulations, we investigate the dynamical behavior of finite...

Digital technology innovation and supply‑chain risk: evidence from financial and operational channels

Firms commonly manage supply‑chain risk by tightening trade credit, holding safety stocks and maintaining spare capacity. These buffers, however, restrict transactions and tie up working capital. This article examines, through the lens of information frictions, how digital techno...

Active Droplet Formation in a Microfluidic Cross-Junction Using Stacked Piezoelectric Actuators

On-demand droplet formation is of crucial importance to the engineering applications of droplet microfluidics. This work presents an experimental investigation on active control of droplet formation using stacked piezoelectric actuators. Two stacked piezoelectric actuators are pl...

Promoting green governance: government procurement and corporate green governance performance

Promoting corporate green governance is essential for sustainable development. Using a panel of Chinese A-share listed firms from 2015 to 2023, this paper examines how government procurement influences corporate green governance performance. The results reveal that receiving gove...

Kinetics of Secondary Recrystallization in Grain-Oriented Silicon Steel Based on Grain Size Distribution

Quasi in situ observations of the early stage of secondary recrystallization in Fe-3.25 wt.% Si high-permeability grain-oriented silicon steel indicate that large matrix grains locally impede the migration of secondary recrystallized grain boundaries. A critical grain-size criter...

I2M: a box-based detection framework for molecular structure recognition from images

Accurate recognition and reconstruction of chemical structures from molecular images is critical in cheminformatics, with applications spanning drug discovery, materials science, and patent analysis. However, much of this chemical matter exists in implicit forms that are not dire...

Low-Carbon Valorization of Waste PE Mulch Film: A Carbon Footprint Comparative Analysis of Typical End-of-Life Treatment Pathways

Widespread polyethylene (PE) mulch film application has caused severe farmland plastic pollution and greenhouse gas emissions. To identify low-carbon end-of-life pathways for waste agricultural mulch film, this study established a full life-cycle carbon footprint model comparing...

Torsional wake stiffness and the dynamic response of tethered tandem cylinders in the subcritical and critical regimes

This study experimentally investigates the stationary and dynamic characteristics of a tandem cylinder configuration in which the downstream cylinder is confined to rotate about a pivot point centered at a fixed upstream cylinder with a specified cylinder-to-cylinder spacing. Res...

Adaptive estimation method for pavement adhesion coefficient integrating visual and dynamic data

The road adhesion coefficient is widely recognized as a key factor affecting vehicle active safety control. Accurate estimation of this parameter faces challenges such as visual interference and weak observability of vehicle dynamics under low excitation conditions. This paper pr...

Evo-TGSF: an evolutionary topology-genomic subspace fusion framework for Alzheimer’s disease classification using imaging-genomics data

<title>Abstract</title> Brain imaging genomics offers a powerful paradigm for unraveling the complex pathophysiological mechanisms underlying Alzheimer’s disease (AD). However, effective integration of high-dimensional functional magnetic resonance imaging (fMRI) data and single...

The Impact of 2D Dashboard Spatial Orientation on Gestural Interaction Performance and Ergonomic Concerns in Virtual Reality

Default vertical dashboard orientations in virtual reality (VR) lack systematic ergonomic validation across mainstream gestural interaction paradigms. This study compares four dashboard orientations (horizontal, 60° inclined upward, vertical, 60° inclined downward) under direct h...

Mechanistic Insights into Enhanced Combustion of aGAP-Coated Boron Nanoparticle

Abstract Boron nanoparticles hold great potential for applications in high-energy fuels, but their practical use suffers from limited combustion performance. Glycidyl azide polymer (GAP) is a promising coating material for boron that can improve its ignition and combustion charac...

Alzheimer’s Disease Detection Using Combined EEG Source Connectivity and Microstate Features

Background/Objectives: Electroencephalography (EEG) connectivity and microstate analysis have shown great potential for Alzheimer’s disease (AD) diagnosis; however, their clinical application remains limited by the low spatial resolution of EEG and the lack of standardized micros...

Contrastive Learning Network based on Multi-Scale Transformer (CLMT-net): EEG decoding for fine-grained motor imagery of movements within the same limb

Motor imagery (MI)-based brain-computer interfaces (BCIs) decode EEG signals into control commands. However, fine-grained MI decoding within the same limb remains challenging due to highly similar neural patterns. This paper proposes a Contrastive Learning Network based on a Mult...

Unipolar Barrier Near‐Infrared 2D Photodetectors for 3D Image Sensors

ABSTRACT Photodetectors sensitive to the near‐infrared (NIR) range are of great importance for applications in machine vision, autonomous driving, and three‐dimensional (3D) imaging under low‐light or adverse weather conditions. Recently, two‐dimensional (2D) semiconductors have...