Yuhan Huang

A Compact Ka-band Waveguide Duplexer For Satellite Communication

Dong Yang, Zhenxing Xu, Yuhan Huang

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Association between volatile organic compounds exposure and frailty among adults in NHANES 2011–2018: the mediating role of oxidative stress and inflammation

Xue Dao He, Yuhan Huang, Yuanyuan Miao, Shihao Zhao et autres

Evidence regarding the cumulative impact of exposure to diverse volatile organic compounds (VOCs) on frailty remains limited. We aimed to explore the association between VOCs and frailty, and to investigate the mediating effects of oxidative stress and inflammation. Our study involved 4,677 …

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Association between living environmental quality and lung function among middle-aged and older adults in China

Yuhan Huang, Kaiyuan Wang, Tianyang Han, Xue Dao He et autres

This study is intended to examine the connection between residential environmental quality and lung function as well as its deterioration. To this end, we used data from 2011 to 2015 waves of the China Health and Retirement Longitudinal Study (CHARLS). A total …

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A Low-Profile Dual-Polarized High-Gain Low Cross-Polarization Phased Array for Ku-Band Satellite Communications

Yuhan Huang, Jie Zhang, Xiuping Li, Zihang Qi et autres

A low-profile dual-polarized shared-aperture phased array antenna is proposed for Ku-band satellite communications in this paper. The stacked octagonal patches loaded with Via-rings are proposed as dual-polarized shared-aperture radiation elements, with the characteristics of wide impedance bandwidth, high gain, and weak coupling. …

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Design of a Broadband Waterproof and Ablation Resistant GNSS Antenna for Reentry Spacecraft

Nan Dong, Yuhan Huang, Qing Li

To address the extreme environmental challenges faced by Global Navigation Satellite System (GNSS) receiving antennas on deep space hyper-speed return and reentry spacecraft during mission phases, a layered structural design was innovatively developed, combining a silica-based composite substrate with an inorganic/organic hybrid …

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Long Short‐Term Memory Network for Co‐Frequency Co‐Time Full‐Duplex Digital Domain Interference Suppression

Yuting Zhang, Chao Ma, Xiaoyan Gao, Yuhan Huang

ABSTRACT The co‐frequency co‐time full duplex (CCFD) system transmits and receives signals at the same frequency simultaneously, which can effectively improve the communication spectrum utilization of satellite and solve the problem of satellite frequency resource constraint. However, due to a large number …

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Research on AC–DC High‐Frequency Interaction Mechanism and Valve‐Side High‐Frequency Oscillation Suppression Strategy of Flexible HVDC Converter

Yanan Wu, Yu An, Yuhan Huang

High‐frequency oscillation phenomena in flexible high‐voltage direct current (HVDC) transmission systems significantly compromise operational reliability in major power infrastructure projects. This study addresses the critical gap in device‐level high‐frequency interaction mechanisms by developing a comprehensive AC–DC high‐frequency model for flexible DC converter …

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Quantum-Inspired Mean Field Probabilistic Model for Combinatorial Optimization Problems

Yuhan Huang, Siyuan Jin, Yichi Zhang, Ling Pan et autres

Combinatorial optimization problems are pivotal across many fields. Among these, Quadratic Unconstrained Binary Optimization (QUBO) problems, central to fields like portfolio optimization, network design, and computational biology, are NP-hard and require exponential computational resources. To address these challenges, we develop a novel …

Synthetic Aperture Interferometric Passive Radiometer Imaging to Locate Electromagnetic Leakage From Spacecraft Surface

Yuting Zhang, Jie Zhang, Yuhan Huang

The localization of electromagnetic radiation leakage through cabin gaps is a critical and challenging aspect of electromagnetic compatibility (EMC) design for spacecraft with complex electromagnetic environments. This paper proposes a localization method based on synthetic aperture interferometric passive radiometry imaging. Electromagnetic radiation …

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X‐band dual‐band horn antenna with isoflux pattern for deep‐space applications

Zhijia Liu, Fan Lu, Jiangnian Duan, Hua Jiang et autres

Abstract In this paper, an X‐band dual‐band dual‐polarized medium‐gain antenna (MGA) is designed for deep‐space satellite applications. The MGA has isoflux radiation patterns in the 7.145–7.19 and 8.40–8.45 GHz frequency bands. The concentric ring horn qualification model named MGA is developed for …

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Wideband circular-polarized transmitarray for generating a high-purity vortex beam

Liangjie Qiu, Xiuping Li, Zihang Qi, Wenyu Zhao et autres

本文提出一款在Ka波段产生高纯度涡旋波束的宽带圆极化透射阵. 为简化设计, 所提出的透射单元由两个相同的组合构成, 并用空气层将其隔开. 亚波长结构以及双谐振特性确保了透射单元在28.4%的1-dB透射带宽内具有稳定的相移能力. 基于此, 加工测试了一款由喇叭天线馈电的方形口径透射阵. 得益于蜂窝状布阵方式, 所设计的透射阵可在28.5 GHz到38 GHz的宽带范围中辐射l=–1且模态纯度高于0.93的涡旋波束. 测试的峰值增益为22.3 dBic, 3-dB轴比带宽为27.6%. 测试结果表明, 本文提出的透射阵有潜力应用于高容量无线通信和高质量雷达成像方面.

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The development trends and research fronts in orbital angular momentum technology: A bibliometric analysis

Saleemullah Memon, Xiuping Li, Kamran Ali Memon, Yuhan Huang et autres

Orbital angular momentum (OAM) technology, refers to Laguerre-Gaussian (LG) beams, twisted beams, vector/vortex beams, acoustic vortex beams and fractional vortex beams. It is an emerging and promising technology to improve the communication capacity, spectral efficiency, and anti-jamming capability due to its helical …

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