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2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)最新文献

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A Slot-Loaded Wideband Patch Antenna Fed With a Dual-Function U-Resonator for Stable Radiation 一种带双功能u谐振腔的槽载宽带贴片天线
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9644004
Kai-Dong Hong, Zhe Chen, Xiao Zhang, Tao Yuan
{"title":"A Slot-Loaded Wideband Patch Antenna Fed With a Dual-Function U-Resonator for Stable Radiation","authors":"Kai-Dong Hong, Zhe Chen, Xiao Zhang, Tao Yuan","doi":"10.1109/IMWS-AMP53428.2021.9644004","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9644004","url":null,"abstract":"In this paper, a slot-loaded patch antenna fed with a dual-function U-resonator is proposed to realized bandwidth enhancement and even-modes suppression. Initially, a transverse slot is loaded to the radiating patch so as to reshape current distribution of high-order mode and suppressed its sidelobe radiation. Then, a U-resonator is introduced to improve the radiation performances of the resultant antenna. It can not only differentially feed the patch with single input to suppress the even modes of the radiating patch, but also generate an additional resonant mode to obtain wider bandwidth. The simulated results show that the proposed antenna can achieve an enhanced bandwidth of 60% and improved radiation performance with flat gain response in the working band.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"41 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120929466","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 Test Fixture for the Measurement of 3-port Y-junction AFSIW Circuits 一种测量三端口y结AFSIW电路的测试夹具
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643855
Issam Marah, Antony Ghiotto, A. Verger, J. Pham
{"title":"A Test Fixture for the Measurement of 3-port Y-junction AFSIW Circuits","authors":"Issam Marah, Antony Ghiotto, A. Verger, J. Pham","doi":"10.1109/IMWS-AMP53428.2021.9643855","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643855","url":null,"abstract":"This paper presents a test fixture for the measurement at both low- and high-power levels of 3-port Y-junction air-filled substrate integrated waveguide (AFSIW) components and circuits. The proposed test fixture is based on a rectangular waveguide (RWG) transition to AFSIW. A theoretical model of this transition is presented and validated from simulation results. An AFSIW Y-junction power divider operating in the 17.3 GHz to 21.2 GHz frequency range is introduced and used as a device under test (DUT). An experimental validation of the test fixture with the divider is achieved.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124930316","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 Pin diode controlled dual-mode branch-line coupler 引脚二极管控制的双模支路耦合器
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9644012
Huang Xiaotian, Zhang Rui, S. Baohua
{"title":"A Pin diode controlled dual-mode branch-line coupler","authors":"Huang Xiaotian, Zhang Rui, S. Baohua","doi":"10.1109/IMWS-AMP53428.2021.9644012","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9644012","url":null,"abstract":"In this paper, a dual-mode branch-line coupler is proposed to adapt to different multi-beam network application. Controlled by the PIN diode, a grounded distributed capacity may be selectively introduced into the coupler. And then this coupler can have the pass-through mode and power divider mode to tune coupling ratios and get two kinds of output responses. The center frequency of the coupler is 2GHz. The circuit simulation shows both return loss and isolation are better than 20dB from 1.9GHz to 2.1GHz, and the amplitude imbalance is less than 0.5dB. And then the microstrip line model is also established and simulated. This coupler has a good engineering application scenario because of its simple structure, easy processing and broadband performance.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125163488","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 Ku-band Highly-Integrated Dual-Polarized Dipole Antenna Array ku波段高集成双极化偶极子天线阵列的设计
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9644010
Jian-Xing Shao, Guang-Ming Wang
{"title":"Design of a Ku-band Highly-Integrated Dual-Polarized Dipole Antenna Array","authors":"Jian-Xing Shao, Guang-Ming Wang","doi":"10.1109/IMWS-AMP53428.2021.9644010","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9644010","url":null,"abstract":"A Ku-band dual-polarized triangular antenna array is proposed. The antenna is composed of two orthogonally placed dipoles which are vertically fixed on an aluminum cavity. The dipoles are excited by two similar coaxial feeders. In order to reduce the entire size of the antenna, the dipole element is bent and the SMP interface is integrated at the end of the coaxial feeder. Furthermore, two slots are placed on the outer conductor of the coaxial for a better impedance matching. Simulation and test results show that the antenna voltage standing wave ratio (VSWR) is less than 1.65, and the antenna isolation is greater than 39.4 dB in the operating frequency band of 13.8GHz to 14.6 GHz. At the center frequency of 14.2GHz, the gains of the antenna array of the two polarization ports are 13.3dBi and 13.7dBi, respectively.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122943678","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 Novel K-band Broadband Circularly Polarized Micro-Strip Antenna Array 一种新型k波段宽带圆极化微带天线阵列的设计
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643866
Shuang Wang, Guodong Liu, Xiao-fei Wang, Suixue Wang, Shi-gang Zhou, Haosheng Deng
{"title":"Design of a Novel K-band Broadband Circularly Polarized Micro-Strip Antenna Array","authors":"Shuang Wang, Guodong Liu, Xiao-fei Wang, Suixue Wang, Shi-gang Zhou, Haosheng Deng","doi":"10.1109/IMWS-AMP53428.2021.9643866","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643866","url":null,"abstract":"A K-band broadband circularly polarized antenna array is proposed in this paper. The antenna unit is a multiple-layer microstrip antenna, which is fed by H-type / U-type gaps coupling. It can realize the characteristics of broadband, circular polarization, small volume, light weight and high radiation efficiency. Based on this unit, an $8times 8$ antenna array, which has the characteristics of high gain, low side-lobe, low profile, beam-scanning, is finally designed and fabricated. Within the bandwidth of $mathrm{f}0pm 2text{GHz}$, the VSWR of the array antenna is no more than 1.8. At the center frequency point f0, the gain of the antenna array is greater than 22dB, the 3dB beam width can reach 13 °, and the side-lobe level is less than −14dB., which is very suitable for communication equipment of space-based measurement and control system.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131132510","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
Ku-band Tunable Frequency Selective Surface based on Liquid Crystal with Second-order Response 基于二阶响应液晶的ku波段可调谐频率选择表面
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643946
Hai-Bo Chen, Ruiming Li, Jing Tian, Di Jiang, Jie Gao, Kainan Qi
{"title":"Ku-band Tunable Frequency Selective Surface based on Liquid Crystal with Second-order Response","authors":"Hai-Bo Chen, Ruiming Li, Jing Tian, Di Jiang, Jie Gao, Kainan Qi","doi":"10.1109/IMWS-AMP53428.2021.9643946","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643946","url":null,"abstract":"The design and simulation results of a Ku-band tunable frequency selective surface with second-order response is presented. The passband of proposed device is tuned through varying the dielectric constant of liquid crystal with external bias voltage. The unit-cell structure is presented as well as the simulated S-parameters. The results show that the proposed FSS exhibits a 3-dB bandwidth within 2.35%∼2.5% and a wide fractional tuning bandwidth of 15.7%. The simulated insertion loss is within 1.24∼1.92 dB.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131395253","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 Compact D-Band All-Metal Antenna Fed by a Circular Waveguide 环形波导馈电的紧凑d波段全金属天线设计
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643954
Chao Gu, Fei Cheng, Zhiwei Zhang
{"title":"Design of a Compact D-Band All-Metal Antenna Fed by a Circular Waveguide","authors":"Chao Gu, Fei Cheng, Zhiwei Zhang","doi":"10.1109/IMWS-AMP53428.2021.9643954","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643954","url":null,"abstract":"The commercialization of D-band wireless systems calls for compact, low-cost, and low-loss antennas. This paper presents a D-band metallic resonant cavity antenna fed by a circular waveguide. The total antenna thickness above the feed is only 1.16 mm. Analysis of the antenna gain shows the aperture size should be optimized to achieve an optimum aperture efficiency. The radiation pattern of the resultant antenna has a much lower sidelobe level (−25.3 dB) compared with the feed antenna pattern due to the edge tapering of the radiating aperture. In addition to the linear polarization operation, we show preliminary results of circular polarization performance by applying an ideal excitation to the feed.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114649020","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: 1
Switch Controlled 4 bands Band pass Filter with Two E-shaped SIRs* 开关控制4波段带通滤波器与两个e形SIRs*
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643930
Ren Wang, Tao Tang, Shou-zhao Jing, Yong Fan
{"title":"Switch Controlled 4 bands Band pass Filter with Two E-shaped SIRs*","authors":"Ren Wang, Tao Tang, Shou-zhao Jing, Yong Fan","doi":"10.1109/IMWS-AMP53428.2021.9643930","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643930","url":null,"abstract":"A novel 4-bands microstrip band pass filter (BPF) is proposed here, which consisted of two E-shaped microstrip Stepped-Impedance Resonators (SIR) with different sizes. Each of one E-shaped SIR is presented as a set of the dual pass band. Consequently, four pass bands are centered at 3.30 GHz, 4.83 GHz, 5.825GHz, and 8.65 GHz with the fractional bandwidth of 6.7%, 9.1%, 8.4%, and 8.2% can be obtained by the proposed design. The working frequency band can be changed by switching the two E-shaped SIRs. Due to its rich operation band resources, it can be used for 5G base station systems and other applications.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115905463","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: 2
Design of the Transparent and Flexible Metamaterial Cross Polarization Converters 透明柔性超材料交叉偏振变换器的设计
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643926
Yanghui Wu, Chen Fu, Huiyu Chang, Senfeng Lai, Xue Chen, Wenhua Gu
{"title":"Design of the Transparent and Flexible Metamaterial Cross Polarization Converters","authors":"Yanghui Wu, Chen Fu, Huiyu Chang, Senfeng Lai, Xue Chen, Wenhua Gu","doi":"10.1109/IMWS-AMP53428.2021.9643926","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643926","url":null,"abstract":"In recent years, the metamaterial has become a popular and powerful tool in electromagnetic polarization conversion design, where it is essentially a frequency-dependent anisotropic material. In this paper, we introduced two CPCs. In the microwave band, The PCR spectrum shown that $text{PCR} >77%$ in the (7.8-18.2) GHz range (the red region), and $text{PCR}> 85%$ in the range of (10-17.8) GHz. In the terahertz band, two-layer split ring structure was designed. It can achieve $text{PCR}> 0.9$ in the range of (0.155-0.357) THz, the absolute bandwidth is 0.202 THz, and the relative bandwidth is 79%.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124855775","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
Graphene-based Rasorber with Wide Transmission Band and Narrow Transitional Band 宽传输带窄过渡带的石墨烯反射器
2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2021-11-15 DOI: 10.1109/IMWS-AMP53428.2021.9643888
Sibo Mao, Shining Sun, Xiaochun Liu, Bian Wu
{"title":"Graphene-based Rasorber with Wide Transmission Band and Narrow Transitional Band","authors":"Sibo Mao, Shining Sun, Xiaochun Liu, Bian Wu","doi":"10.1109/IMWS-AMP53428.2021.9643888","DOIUrl":"https://doi.org/10.1109/IMWS-AMP53428.2021.9643888","url":null,"abstract":"In this paper, a graphene-based rasorber with a wide transmission band and a narrow transitional band is proposed. The type of the rasorber is TA which means it has an absorption band above the transmission band. Concretely, the transmission band is located in the X band which is ranged from 9.36GHz to 11.8GHz under 1dB insertion loss, the absorption band is located in the Ku band which is ranged from 13.2GHz to 18GHz under −10dB reflection. The absorption band is mainly realized by the top layer of the model, with a graphene ohmic sheet configured Jerusalem cross. To realize the wide transmission band, a second-order bandpass FSS(frequency selective surface) is used as the bottom layer. Through introducing a transmission zero at the upper side of the transmission band of FSS, the transitional band is reduced.","PeriodicalId":143802,"journal":{"name":"2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123771959","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: 1
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