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2019 IEEE Asia-Pacific Microwave Conference (APMC)最新文献

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Experimental study of factors affecting the High Power Microwave measurements 大功率微波测量影响因素的实验研究
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038685
D. Sanjay, N. Chourasia, Rakesh Singh
{"title":"Experimental study of factors affecting the High Power Microwave measurements","authors":"D. Sanjay, N. Chourasia, Rakesh Singh","doi":"10.1109/APMC46564.2019.9038685","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038685","url":null,"abstract":"Research on High Power Microwaves (HPM) is rapidly progressing for various applications in commercial and military environments. Powers in the range of mega watts(MW) to giga watts(GW) are being generated. Adding to the complexity of generating such higher powers, measurement to characterize the systems, is also difficult. Single shot high power pulsed measurements is considered here and the uncertainties that could cause substantial errors in the measurement values are highlighted. The practical measurements carried out gave an insight into the most unseen problems that are often neglected.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130847437","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
Dual-Frequency Impedance Transformer with Ultra- High Impedance Transformation 具有超高阻抗变换的双频阻抗变压器
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038459
Rahul Gupta, Olzhas Shaikenov, Sabina Kairatova, Kassen Dautov, M. Hashmi
{"title":"Dual-Frequency Impedance Transformer with Ultra- High Impedance Transformation","authors":"Rahul Gupta, Olzhas Shaikenov, Sabina Kairatova, Kassen Dautov, M. Hashmi","doi":"10.1109/APMC46564.2019.9038459","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038459","url":null,"abstract":"A new dual-band impedance transformer with ultrahigh impedance transformation ratio (UHITR) at the two uncorrelated frequencies is proposed in this paper. The impedance transformer is equipped with two open/short shunt stubs which enhance the impedance transformation capability. The analytical expressions make it quick to design and then the presented design cases with ultrahigh impedance transformation demonstrate the easy microstrip line realization of the prototype. Finally, the proposed technique has been validated through a prototype developed on RO4003C for a high-frequency ratio of 4 and an impedance transformation ratio of 5. The measured return loss of approximately 20dB with good bandwidth at both the design frequencies is in good agreement with the simulation results.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130399112","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
Microwave Confocal Imaging by Antenna Grouping Method for Medical Application 天线分组微波共聚焦成像在医学上的应用
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038737
Lijia Chen, Dajing Wang, Li Xia, Shengmin Jiang, Hao Li, Shufeng Zhang, Shengchang Lan
{"title":"Microwave Confocal Imaging by Antenna Grouping Method for Medical Application","authors":"Lijia Chen, Dajing Wang, Li Xia, Shengmin Jiang, Hao Li, Shufeng Zhang, Shengchang Lan","doi":"10.1109/APMC46564.2019.9038737","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038737","url":null,"abstract":"This paper introduces an antenna grouping method based on the principle of confocal imaging method. In view of the fact that traditional multistatic array confocal imaging method requires high computation time which hinder its application in rapid diagnosis, the proposed antenna grouping methods only uses the multistatic data among antennas within each group. The data between the antennas from different groups are not considered, which is more efficient to reconstruct the image. The effectiveness of the proposed method is verified by computer simulation and experiment.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131588149","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
Small-Signal Modeling of mm- Wave MOSFET up to 110 GHz in 22nm FDSOI Technology 22nm FDSOI技术中110ghz毫米波MOSFET的小信号建模
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038620
Q. H. Le, D. K. Huynh, Defu Wang, T. Kämpfe, M. Rudolph
{"title":"Small-Signal Modeling of mm- Wave MOSFET up to 110 GHz in 22nm FDSOI Technology","authors":"Q. H. Le, D. K. Huynh, Defu Wang, T. Kämpfe, M. Rudolph","doi":"10.1109/APMC46564.2019.9038620","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038620","url":null,"abstract":"In this paper, a comprehensive analysis on small-signal modeling of mm-wave transistor in 22nm FDSOI technology is presented. The model is constructed based on experimental S-parameters up to 110 GHz of a 22FDX® thick-oxide n-MOSFET and analytical parameter extraction approach. The non-quasi static effect is addressed thoroughly in the equivalent circuit model for high frequency validity. The bias-dependent series source and drain resistances are considered to account for the overlap regions between the gate and the highly doped source/drain regions. In addition, a simple RC network is included at the output to model the innegligible substrate coupling at mm-wave frequencies. Excellent agreements between model prediction and measurement are observed in the interested bandwidth for various bias conditions.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128839716","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: 3
Design of a Wideband Microstrip Bidirectional Absorptive Bandstop Filter 宽带微带双向吸收带阻滤波器的设计
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038223
Chieh-Hsuan Yang, Cheng-Han Wu, Ching‐Wen Tang
{"title":"Design of a Wideband Microstrip Bidirectional Absorptive Bandstop Filter","authors":"Chieh-Hsuan Yang, Cheng-Han Wu, Ching‐Wen Tang","doi":"10.1109/APMC46564.2019.9038223","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038223","url":null,"abstract":"A planar bidirectional absorptive bandstop filter with a wide absorptive bandwidth and compact circuit size is proposed. The proposed absorptive bandstop filter is developed from the absorptive coupled line. Moreover, by adopting the symmetrical structure, both the input and output ports can be used to absorb the injected power. Furthermore, to broaden the stopband bandwidth, the π-shaped transmission lines are included. In addition, design equations are provided for synthesizing the proposed absorptive bandstop filter. In order to validate the analysis, a wide-absorptive bandstop filter has been fabricated, with 20 dB for the absorption and 18.7% for the fractional bandwidth.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125462072","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
Compact and Low-Loss U-Band Shielded Asymmetrical Coplanar Stripline to Rectangular Waveguide Transition 紧凑和低损耗的u波段屏蔽不对称共面带状线到矩形波导的转换
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038628
Qun Li, Tao Yang
{"title":"Compact and Low-Loss U-Band Shielded Asymmetrical Coplanar Stripline to Rectangular Waveguide Transition","authors":"Qun Li, Tao Yang","doi":"10.1109/APMC46564.2019.9038628","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038628","url":null,"abstract":"A compact and low-loss U-band transition from the rectangular waveguide to the shielded asymmetrical coplanar stripline (SACPS) is presented. A shielding cavity and the asymmetrical coplanar stripline (ACPS) transmission line are combined to construct the SACPS transmission line. Similar to the ACPS transmission line, the SACPS has the quasi-TEM dominant mode and do not need via holes and can be capable of shunt as well as series surface mounting of devices. In addition, owing to the removed radiation losses and low dielectric losses, the SACPS transmission line has low losses which is beneficial for applications at millimeter wave. The strip plate of the SACPS can be extended into the electrical wall of the rectangular waveguide as an E-plane probe and excite the TE10 mode at where the electrical field is the strongest in the rectangular waveguide. At the frequency range of 40–60 GHz, the measured and simulated return losses are larger than 10 and 20 dB, respectively, while the measured and simulated insertion losses are less than 0.7 and 0.2 dB, respectively.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125535154","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
Circularly Polarized Switched Beams Grid Array Antenna for mm-Wave Systems 用于毫米波系统的圆极化开关波束网格阵列天线
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038805
Mei Sun, Nasimuddin, X. Qing, Z. N. Chen
{"title":"Circularly Polarized Switched Beams Grid Array Antenna for mm-Wave Systems","authors":"Mei Sun, Nasimuddin, X. Qing, Z. N. Chen","doi":"10.1109/APMC46564.2019.9038805","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038805","url":null,"abstract":"A circularly polarized (CP) planar switched-beam grid array antenna is studied at 93 GHz (W-band). The antenna comprises a grid array radiator with multi-port and a suspended slanted rectangular patch array (metasurface). The suspended metasurface is used to generate the CP radiation. The antenna prototype using print circuit board achieves beam scanning angle of ±13.8° at 93 GHz with CP radiation.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126715521","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
Multiple Human Localization Method Using Compressed Sensing 基于压缩感知的多人定位方法
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038783
Kazuki Numazaki, N. Honma, Nobuyuki Shiraki, T. Nakayama, Shoichi Iizuka
{"title":"Multiple Human Localization Method Using Compressed Sensing","authors":"Kazuki Numazaki, N. Honma, Nobuyuki Shiraki, T. Nakayama, Shoichi Iizuka","doi":"10.1109/APMC46564.2019.9038783","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038783","url":null,"abstract":"This paper investigates the multiple human localization using Multiple-Input Multiple-Output (MIMO) sensor. We propose a living body position estimation method based on a compressed sensing using a newly developed two-stage virtual array technique for enhancing the sensitivity to the vital sign. The proposed method estimates the positions of multiple objects without the knowledge of the number targets by using the correlation matrix obtained from the frequency response of the channel matrix. The experimental results show that the proposed method can estimate the location of a single target with 0.15 m accuracy on average. Moreover, the average accuracies with two and three subjects are 0.25 m and 0.29 m, respectively.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126753001","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
Fast Realization of High Resolution Computational SAR Imagery of Complex Objects 复杂目标高分辨率计算SAR图像的快速实现
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038534
Chao‐Fu Wang, C. Kee, Zi-Liang Liu
{"title":"Fast Realization of High Resolution Computational SAR Imagery of Complex Objects","authors":"Chao‐Fu Wang, C. Kee, Zi-Liang Liu","doi":"10.1109/APMC46564.2019.9038534","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038534","url":null,"abstract":"Fast realization of high resolution computational synthetic aperture radar (SAR) imagery of complex object is highly demanded due to its wide applications. To generate computational SAR images with high resolution, this paper presents our recent development on (i) how to develop hybrid HF method to efficiently generate EM scattering database of wide-angel and wideband, and (ii) how to process the obtained EM data to produce high resolution SAR imagery. Simulated example clearly shows that the developed hybrid HF method is capable of generating EM scattering data that can be processed into high resolution SAR images.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126783756","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
Study of MIMO Antenna Made of Transparent Conductive ITO Films 透明导电ITO薄膜制备MIMO天线的研究
2019 IEEE Asia-Pacific Microwave Conference (APMC) Pub Date : 2019-12-01 DOI: 10.1109/APMC46564.2019.9038228
K. So, B. Chen, C. Chan, K. Luk
{"title":"Study of MIMO Antenna Made of Transparent Conductive ITO Films","authors":"K. So, B. Chen, C. Chan, K. Luk","doi":"10.1109/APMC46564.2019.9038228","DOIUrl":"https://doi.org/10.1109/APMC46564.2019.9038228","url":null,"abstract":"In this paper, the optically transparent MIMO (Multiple Input Multiple Output) antenna made of transparent ITO (Indium Tin Oxide) films is investigated. Both patch and monopole elements are considered and each comprises of a thin sheet of glass substrate with two conductive ITO film coatings. Both of patch and monopole antennas are fed by transparent 50 Ωmicrostrip line.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126798335","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: 5
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