Li Gu

Synthesis of Interleaved Large Antenna Arrays With Mutual Exclusion Probability Model

Li Gu, Jun-Cai Lv, Bing Chen, Tao Cao

This paper introduces a novel approach for synthesizing interleaved large antenna arrays by employing a deformed Estimation of Distribution Algorithm (EDA). Initially, a mutually exclusive probability (MEP) model is devised to represent the topological characters of interleaved antenna arrays. Through training the …

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A Channelized RF Reconfigurable Filter MMIC Utilizing Differential Synthesis Structure

Juncai Lv, Zhipeng Li, Li Gu, Tao Cao et autres

In this paper, a channelized RF reconfigurable filter MMIC utilizing differential synthesis structure is designed and implemented using GaAs pHEMT process. This filter adopts two-channels structure to realizes differential mode response synthesis of the two-channels through the design of active balun and …

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The modeling of spare parts optimization configuration under the constraint of spare parts availability rate is improved

Dunxiang Zhu, Qiwei Hu, Chiming Guo, Weiyi Wu et autres

To overcome the tendency of traditional system spare parts satisfaction models to fall into extreme defects, an improved model for optimizing spare parts allocation under system spare parts satisfaction constraints has been established. By applying the concept of hierarchical optimization, an improved …

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A Novel Probability Density Taper Approach for Planar Array Thinning

Zhen Ye, Qiang‐Ming Cai, Xin Cao, Li Gu et autres

In this paper, a new approach for the synthesis of thinned periodic planar arrays featuring a minimum sidelobe level is presented. The method is based on the probability learning iterative Fourier technique (PLIFT) with a fitness function to determine element distributions for …

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A Probability Density Tapering Approach With Fitness Function Model for Linear ArrayThinning

Zhen Ye, Qiang‐Ming Cai, Xin Cao, Li Gu et autres

In this paper, a new approach for the synthesis of thinned periodic linear arrays featuring a minimum sidelobe level is presented. The approach is mainly based on the probability tapering iterative Fourier technique (PTIFT) with a fitness function model to determine element …

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Analysis of Shenhuang Capsule using HPLC: Method Development, Validation, and Application

Yuankai Si, Yuanqiong Huang, Meijuan Chen, Zhigui Wu et autres

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A Broadband Dual-polarized Base Station Antenna for LTE/5G Application

Qiang‐Ming Cai, Lei Han, Tao Liu, Mulin Liu et autres

This paper presents a novel broadband dual-polarized base station antenna with the operating band of 3300MHz~3600MHz in LTE1900/LTE2300/LTE2500/5G. In the design, the radiation structure is made up of a dipole antenna with” H” slots and a semicircle. This antenna includes four parts: …

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A Novel Miniaturized Broadband Dual-polarization Antenna for 2G/3G/LTE Base Station

Qiang‐Ming Cai, Xin Cao, Mulin Liu, Lei Han et autres

This article proposed a novel broadband dual-polarized antenna for 2G/3G/LTE base station. This designed dual-polarized antenna is composed of two perpendicularly crossed dipoles, and a broadband is achieved by designing the “+” shaped and rectangular parasitical groove. The two pair of dipoles …

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Broadband Circularly-Polarized Antenna using Double Loop Structures with Loading Capacitance

Wenjin Li, Yanwen Zhao, Xiaoxiang Ding, Li Gu et autres

In this paper, a broadband circularly-polarized (CP) antenna is presented. The antenna utilizes coupling aperture to feed double loop structures with loading capacitance. The 10-dB reflection coefficient bandwidth of the proposed antenna is about 36%, ranging from 3.49GHz to 5GHz. Meanwhile, the …

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A broadband dual circularly polarized shared‐aperture antenna array using characteristic mode analysis for 5G applications

Kai Gao, Xiaoxiang Ding, Li Gu, Yanwen Zhao et autres

A novel broadband dual circularly polarized (CP) array based on metasurface structures is proposed in this article. Four rotated metasurface elements fed with 90° phase difference are employed in this design, and crossed L-shaped probes are used to achieve dual CP operation …

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Scanning Enhanced Low-profile Broadband Phased Array Using Metasurface

Kai Gao, Li Gu, Yanwen Zhao, Xiaoxiang Ding et autres

This paper presents a scanning enhanced low-profile broadband phased array. A sharing-aperture antenna array is formed by utilizing metasurface-based antenna elements. The scanning range of the array is extended to ±60° with closely spaced feedings, and the L-probe feedings are sharing the …

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Broadband circularly polarized printed falcate‐shaped monopole antenna

Bihui Xu, Yanwen Zhao, Li Gu, Changbin Huang et autres

In this study, a simple broadband circularly polarized (CP) printed monopole antenna for S/C-band applications is proposed. The CP antenna is composed of a falcate-shaped monopole with a right-angle trapezoid stub, then wide impedance and axial ratio (AR) bandwidths are achieved. By …

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