Mingxia Meng

Four-leaf-clover slot planar antenna based on all-metal back cavity structure

Yongkang Shi, Hao Liu, Yongjun Xie, Xiaonan Wu et autres

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An All-Metal High-Efficiency Wide-Angle Scanning Phased Array Based on Dual-Port PMA

Xudong Tang, Jianzhong Chai, Han Dong Zhou, Xuepeng Li et autres

In this paper, an all-metal high-efficiency dual-port phase mode antenna (PMA) is proposed. By adjusting the phase difference between the two ports in the PMA, distinct characteristic modes are excited, enabling a continuous transition of the radiation pattern from a conical beam …

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Metal-Tannic Acid Nanospheres Empowering DNA Nanoarchitectures for Multimodal Detection of Low-Abundance Pesticide-Resistance Genes

Lijuan Liu, Shuyue Luo, Qingfeng Yao, Mingxia Meng et autres

Rapid and on-site identification of pesticide-resistant genes (PRGs), especially low-abundance single-nucleotide mutations (SNMs) concealed within wild-type sequences, is vital for precision agriculture. However, existing bioassays face challenges in achieving sufficient specificity to distinguish mutations while maintaining sensitivity to detect mutant alleles at …

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The Tilted-Branch Comb-Structure and Its Application to Beam Switchable Antenna in Wideband for Indoor Wi-Fi Communication

Rui Zhao, Junping Geng, Jinjin Shao, Jingzheng Lu et autres

This paper investigates the radiation characteristics of tilted-branch comb structures and proposes a novel beam-switchable antenna design capable of switching between high-gain horizontal omnidirectional and vertical directional end-fire radiation patterns. Compared to conventional comb-structure-based reconfigurable antennas, the proposed design achieves improved beam-direction …

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A Symmetric Tri-Port Phase Mode Antenna Based on Radial SSPPs’ Scatterer and Its Linear Arrays

Nian Chen, Han Dong Zhou, Junping Geng, Jingzheng Lu et autres

A symmetric tri-port phase mode antenna (PMA) based on radial spoof surface plasmonic polaritons’ (SSPPs’) structure and two kinds of 1-D linear arrays of it are proposed with extended 2-D scanning characteristics. The proposed tri-port PMA is composed of a horizontal metal …

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A Novel Four-Port Phase Mode Antenna and Its Application in Multipolarization Wide-Angle Scanning Phased Array

Xudong Tang, Xiaonan Zhao, Han Dong Zhou, Junping Geng et autres

In this article, a novel four-port phase mode antenna (PMA) with multipolarization beam scanning capability is proposed. By adjusting the phase difference between feeding ports, the four-port PMA can excite different phase modes allowing for multipolarization beam scanning. It is observed that …

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A Novel Small Aperture Direction Finding System Based on Phase Mode Antenna

Xudong Tang, Junping Geng, Jingzheng Lu, Silei Yang et autres

A novel small aperture direction finding (DF) system based on phase mode antenna (PMA) is proposed to estimate the angle of arrival of (Ao$A$) signal without ambiguity. The DF system is based on a single dual-port PMA, which can achieve beam scanning …

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A Miniaturized Phase Mode Antenna Based on a Radial SSPPs Structure and Its 1-D Linear Arrays

Nian Chen, Kun Wang, Han Dong Zhou, Junping Geng et autres

A miniaturized dual-port phase mode antenna (PMA) based on radial spoof surface plasmon polariton (SSPPs) structure with continuous scanning pattern and two kinds of 1-D linear extended arrays of it are proposed. The proposed PMA is composed of a vertical PCB ($0.28\lambda …

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Visual and photoelectrochemical analysis of antibiotic resistance genes enabled by surface-engineered ZIF-8@Au cascade nanozymes

Qingfeng Yao, Lijuan Liu, Zheng Cai, Mingxia Meng et autres

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Ultrasensitive Dual-Mode Visual/Photoelectrochemical Bioassay for Antibiotic Resistance Genes through Incorporating Rolling Circle Amplicons into a Tailored Nanoassembly

Lijuan Liu, Qingfeng Yao, Fang Jiang, Zheng Cai et autres

As emerging contaminants in the environment, antibiotic resistance genes (ARGs) have aroused a global health crisis and posed a serious threat to ecological safety and human health. Thus, efficient and accurate onsite detection of ARGs is crucial for environmental surveillance. Here, we …

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Design of a shared-aperture dual-band dual-polarized microstrip antenna

Mingxia Meng, Fenglin Zhang, Xiaolei Ding, Keqian Ding et autres

A multilayer dual-band dual-polarized (DBDP) antenna operating at L and C bands with a shared aperture is presented. The operating frequencies at the band centers are about 1.25 GHz and 5.3 GHz, respectively. The L-band elements are selected as perforated patches to …

Design of dual-polarized slotted waveguide array

Mingxia Meng, Xiaolei Ding, Fenglin Zhang, Haoquan Hu

A dual polarized waveguide slotted array antenna is presented. A 45deg slant left polarization slot array is interlaced with a 45deg slant right polarization slot array within a common antenna structure to provide the capability of transmitting and receiving simultaneous dual orthogonal …

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