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A Compact Circularly Polarized Crossed Dipole Antenna with Wide Bandwidth using Split Ring Resonator and Parasitic Patches 一种采用分环谐振腔和寄生贴片的紧凑宽带宽圆极化交叉偶极子天线
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-24 DOI: 10.13052/2023.aces.j.380401
Hailong Yang, Zhiqiang Guo, Xuping Li, Yunqi Zhang, Xueyan Song, Shanzhe Wang
{"title":"A Compact Circularly Polarized Crossed Dipole Antenna with Wide Bandwidth using Split Ring Resonator and Parasitic Patches","authors":"Hailong Yang, Zhiqiang Guo, Xuping Li, Yunqi Zhang, Xueyan Song, Shanzhe Wang","doi":"10.13052/2023.aces.j.380401","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380401","url":null,"abstract":"A new compact broadband circularly polarized (CP) crossed dipole antenna using split ring resonator (SRR) and parasitic patches are presented. The proposed antenna is mainly composed of two orthogonal strip dipoles, two 90∘ phase delay lines, four SRRs, and four parasitic patches. The combination of the orthogonal strip dipoles and the delay lines forms a crossed dipole as the main CP radiator. The well-designed SRR can extend the current path and improve the current distribution of high-frequency without increasing the size of the antenna, thereby reducing the size of the antenna and increasing the axial ratio (AR) bandwidth of the high-frequency. The introduction of parasitic patches can improve the current distribution between the upper and lower cut-off frequency points of the bandwidth, and make up for the defects of the insufficient bandwidth of the crossed dipole and the SRR, thereby realizing broadband CP radiation. To verify the antenna, a physical prototype is fabricated. The measured results show that the impedance bandwidth (IBW) of 69.1% (1.38-2.84 GHz), and a wide AR bandwidth of 57.7% (1.43-2.59 GHz). In addition, the designed antenna achieves a stable gain in the working band and a certain band-edge selectivity. Such a single-fed, simple structure and the wideband CP antenna is an excellent candidate for communication systems such as ISM (2.4 GHz), WiBro (2.3-2.39 GHz)and Inmarsat.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125123172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a Retransmitted Chipless Tag based on Multi-state Resonators 基于多态谐振器的重传无芯片标签设计
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-24 DOI: 10.13052/2023.aces.j.380404
N.-T. Huang, Z. Ma
{"title":"Design of a Retransmitted Chipless Tag based on Multi-state Resonators","authors":"N.-T. Huang, Z. Ma","doi":"10.13052/2023.aces.j.380404","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380404","url":null,"abstract":"In order to increase the encoding capacity and reduce the size of the tag, this paper proposes the frequency sharing method to design a retransmitted chipless tag, which is composed of N resonators, a coupled microstrip transmission line, and the orthogonal transmitting antenna and receiving antenna. A pair of the same size resonators is placed symmetrically on both sides of the coupled microstrip transmission line. M open-ended stubs (OES) with different combinations are embedded in each resonator to obtain different resonance frequencies. The frequency sharing multi-state resonators’ chipless tags are designed where N=6, M=4, and the dimension of the tag is 46 mm × 30 mm, which can generate about 212 codes. Simulation and measurement results show good agreement and feasibility of the tag design. The chipless tag is small in size, has large encoding capacity and is easy to print. This kind of tag has no silicon chip so the cost is low. It can be widely used in logistics, supermarkets and other fields to replace the barcode.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125625717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Women’s History Month Special Article: Interview with “Professor Cynthia Furse” 妇女历史月特刊:专访“辛西娅·弗斯教授”
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380301
S. Noghanian
{"title":"Women’s History Month Special Article: Interview with “Professor Cynthia Furse”","authors":"S. Noghanian","doi":"10.13052/2023.aces.j.380301","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380301","url":null,"abstract":"In this article I had the pleasure of interviewing Professor Cynthia Furse. Professor Furse is not only an internationally well-known researcher in the field of computation and applied electromagnetics (EM), but also an innovator in modern teaching techniques, an entrepreneur, an academic leader, and a true mentor for many young professionals in the electromagnetics field.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117065056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a Miniatured, Electromagnetic Quasi-Yagi Antenna with Circularly Polarized Characteristics 具有圆极化特性的微型电磁准八木天线设计
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380306
Yun-Qi Zhang, Li Fang Liu, Zhao Sun, Xu Ping Li, Jun Ling Che, Hao Li
{"title":"Design of a Miniatured, Electromagnetic Quasi-Yagi Antenna with Circularly Polarized Characteristics","authors":"Yun-Qi Zhang, Li Fang Liu, Zhao Sun, Xu Ping Li, Jun Ling Che, Hao Li","doi":"10.13052/2023.aces.j.380306","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380306","url":null,"abstract":"A novel low-profile circularly polarized (CP) quasi-Yagi antenna with a wide 3-dB axial ratio (AR) bandwidth is proposed, which generates the endfire beam by combining magnetic microstrip cavity and folded electric dipoles with a 90∘ phase difference. The proposed antenna includes two shorting pins, which are employed to attain wider impedance bandwidth. Then, a phase delay line is added to connects two pairs of folded dipoles and a magnetic microstrip cavity to realize righthanded circularly polarized (RHCP). After optimization, a prototype with an overall size of 1.17×0.91× 0.0387λ30 is designed. Simulated results demonstrate that the final model has 18.1% (5.01-6.01 GHz) 3-dB AR bandwidth and −10dB impedance bandwidth of 5.2%(5.67−5.97GHz), respectively. In addition, experimental results demonstrate that the designed antenna is very applicable to the RFID system.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127515133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Simulation of a Slice-rail and Cylindrical for Multi-Projectile Electromagnetic Launchers 多弹电磁发射器片轨和圆柱的设计与仿真
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380308
Shahab Mozafari, M. Bayati
{"title":"Design and Simulation of a Slice-rail and Cylindrical for Multi-Projectile Electromagnetic Launchers","authors":"Shahab Mozafari, M. Bayati","doi":"10.13052/2023.aces.j.380308","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380308","url":null,"abstract":"In Electromagnetic launcher (EML) research, beside reasonable L' and high muzzle velocities, there are several key features including multi-turn launching, low field intensity in payload position, high frequency shooting, less unwanted radiation, and so on. Attaining a solution might be feasible by a different structure. In this paper we have studied unequal curved electromagnetic rail launchers (EMRLs) as slice and cylindrical multi-projectile electromagnetic launchers, and the inductance gradient (L') of these structures has been calculated. Making multi-projectile EMRLs using a slice-rail structure is much easier than other plane methods. With a cylindrical multi-projectile EMRL, higher shooting frequency is more feasibly attained and there is no limit on the number of launchers at the same time. High temperature spots which are the result of high velocity and high current density distributions end in intense destructive erosion. Decreasing intense erosion in electromagnetic launcher structures will be more economical and provide greater reliability, therefore resulting in more applications for EMLs especially commercial ones. In parallel electromagnetic launchers, these points and areas are not omissible. In cylindrical EMRLs the problem of high current density distributions and its consequent erosion is significantly decreased because of the uniform distribution of current in its symmetric structure.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134097980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Implementation of a Wilkinson Power Divider with Integrated Band Stop Filters Based on Parallel-coupled Lines 基于平行耦合线的集成带阻滤波器威尔金森功率分压器的设计与实现
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380307
Ravee Phromloungsri, Somchat Sonasang
{"title":"Design and Implementation of a Wilkinson Power Divider with Integrated Band Stop Filters Based on Parallel-coupled Lines","authors":"Ravee Phromloungsri, Somchat Sonasang","doi":"10.13052/2023.aces.j.380307","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380307","url":null,"abstract":"This paper presents a technique to improve the spurious suppression performance at the second harmonic (2f0) of a Wilkinson power divider. The technique is achieved by the insertion of bandstop filters realizing with parallel-coupled lines with the characteristic impedance of 2√Z0Ω and the electrical length of λ/8 in a conventional structure. The simulated and measured results of the conventional and the proposed divider are compared at 0.9 GHz. The insertion losses (S21, S31) are less than 3.1 dB, while the return losses (S11) are less than 34.6 dB across 100% fractional bandwidth. Moreover, the proposed Wilkinson power divider achieves more than 25.5 dB suppression at 2f0.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122265121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Differential Slot-type Dual-polarization Ultra-wideband Antenna 差分槽型双极化超宽带天线
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380305
Zhaoneng Jiang, Zhi Wang, Xiaofeng Xuan, Liyin Nie, Ye Jiang
{"title":"A Differential Slot-type Dual-polarization Ultra-wideband Antenna","authors":"Zhaoneng Jiang, Zhi Wang, Xiaofeng Xuan, Liyin Nie, Ye Jiang","doi":"10.13052/2023.aces.j.380305","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380305","url":null,"abstract":"A differentially fed dual-polarization slotted antenna with an ultra-wide bandwidth and low cross polarization is presented in this paper. The antenna is composed of a radiation patch and a ground plane, both of which are printed on the top of the dielectric substrate. The ground is extended toward the radiation patch to form a slotted coplanar structure. In order to expand the bandwidth, a cross-shape symmetrical slotted structure is loaded into the radiation patch. Differential feed is adopted to realize 0∘/90∘ linear polarizations and suppress the cross polarization. Simulation and measurement results show that the proposed antenna with dimensions of 0.53λ0× 0.53λ0 × 0.0135λ0 (λ0is the wavelength at 4 GHz) has a differential mode impedance bandwidth of 82.25% (2.27-5.56 GHz), a differential feed port isolation of higher than 28 dB, and a cross polarization level of less than −30 dB, which achieves the characteristics of ultra-wideband, high isolation, and low cross polarization level.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130298361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the Electromagnetic Emission Along the Contact Line of Electrified Trains Passing Through Neutral Sections 电气化列车通过中性路段接触线沿线电磁发射研究
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380302
Guang-hui Liu, Yapeng Wang, Z. Li
{"title":"Research on the Electromagnetic Emission Along the Contact Line of Electrified Trains Passing Through Neutral Sections","authors":"Guang-hui Liu, Yapeng Wang, Z. Li","doi":"10.13052/2023.aces.j.380302","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380302","url":null,"abstract":"To study the electromagnetic emission along a contact line when an electrified high-speed train passes through a neutral section, this paper models the transmission line of the traction network, provides a calculation method and boundary conditions for the parameters of the model, solves for the current distribution along the contact line, and calculates the electromagnetic emission of the contact line considering the antenna effect. Thus, the electromagnetic emission characteristics along the electrified railway are determined. Moreover, the actual electromagnetic emissions of a train passing through a neutral section are measured with a field test method and compared with the calculation results to verify the effectiveness of the model.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"36 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124618275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Omnidirectional Antenna with Multi-taper Conformal Structure 一种多锥度共形结构全向天线
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380304
Zhaoneng Jiang, Yong-Xiang Sha, Xiaofeng Xuan, Liyin Nie
{"title":"An Omnidirectional Antenna with Multi-taper Conformal Structure","authors":"Zhaoneng Jiang, Yong-Xiang Sha, Xiaofeng Xuan, Liyin Nie","doi":"10.13052/2023.aces.j.380304","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380304","url":null,"abstract":"In this paper, a wideband quadrangular pyramid conformal printed dipole antenna is designed, manufactured, and tested. The proposed antenna comprises four dipoles pointing in different directions and four pairs of parasitic patches. Each dipole and pair of parasitic patches are placed on one side of the pyramid. The simulated impedance bandwidth exceeds 26% (S11 ≤ −10 dB), with the conformal taper varied from 0∘ to 20∘. Omnidirectional radiation characteristics can be realized within the working bandwidth. The prototype of the proposed antenna with 10∘ taper is fabricated and measured. Moreover, the results show that the operating frequency band is 2.28-3.58 GHz in the S-band. The size of the fabricated antenna is 35 × 35 mm2. The conclusion is that the simulation and test results of the 10∘ taper antennas are highly consistent.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124052456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scanning of the Near-field Focused Beam by Changing Frequency 改变频率对近场聚焦光束的扫描
The Applied Computational Electromagnetics Society Journal (ACES) Pub Date : 2023-08-11 DOI: 10.13052/2023.aces.j.380303
Muhammad Sohail, R. Uyguroglu, Abdullah Y. Öztoprak
{"title":"Scanning of the Near-field Focused Beam by Changing Frequency","authors":"Muhammad Sohail, R. Uyguroglu, Abdullah Y. Öztoprak","doi":"10.13052/2023.aces.j.380303","DOIUrl":"https://doi.org/10.13052/2023.aces.j.380303","url":null,"abstract":"A new antenna array system is introduced which enables the movement of a near-field focused beam by change of frequency. The shift in the beam is achieved by using multi-wavelength transmission lines between successive elements of the array. At the designed frequency the beam is focused at the focal point. Due to the differences in the transmission line lengths feeding the antenna elements, a progressive phase change occurs between these elements. These phase differences between the elements cause a shift in the beam position. An 8×8 patch antenna array system was designed at 2.4 GHz on a microstrip to implement the proposed system. Two substrates were used: one for the patch antenna array and the other one for the feed network and transmission lines. A full-wave simulation model was used to analyze this design and demonstrate the movement of the beam. For this design, the focused beam is moved 310 mm by changing the frequency from 2.2025 GHz to 2.5750 GHz.","PeriodicalId":250668,"journal":{"name":"The Applied Computational Electromagnetics Society Journal (ACES)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122483675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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