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2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)最新文献

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A Novel Log-Periodic Antenna Based on Spoof Surface Plasmon Polaritons 一种基于欺骗表面等离子激元的对数周期天线
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246121
Fangjun Chen, F. Xu
{"title":"A Novel Log-Periodic Antenna Based on Spoof Surface Plasmon Polaritons","authors":"Fangjun Chen, F. Xu","doi":"10.1109/APCAP50217.2020.9246121","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246121","url":null,"abstract":"A compact log-periodic antenna based on Spoof surface plasmon polaritons(SSPPs) is proposed in this work. The antenna consists of three part: the microstrip line, the SSPPs conversion part, and radiation part. The SSPPs structure generates surface waves, which are eventually radiated by dipoles acting as radiators. The SSPPs mode has high field limitations, and tightly restrain the signal in the groove structure of SSPPs to ensure the efficient transmission of the signal and reduce the transmission loss. The simulation results show that the voltage standing wave ratio(VSWR) of the antenna is lower than 2 and the gain is higher than 6.1 dB in the frequency range of 7.3-10.6 GHz. The proposed antenna has a good performance of low profile, compact structure, which is of great value in wireless communication systems.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121556279","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 on An UWB Antenna in the Vehicular Shark-fin Housing on the Roof of a Car 车用尾鳍罩超宽带天线的设计
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246128
Zhao Zhang, Song Zhang, Xiaozhang Zhu, Zhiqin Zhao
{"title":"Design on An UWB Antenna in the Vehicular Shark-fin Housing on the Roof of a Car","authors":"Zhao Zhang, Song Zhang, Xiaozhang Zhu, Zhiqin Zhao","doi":"10.1109/APCAP50217.2020.9246128","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246128","url":null,"abstract":"An omni-directional Ultra Wide Band (UWB) antenna which is installed in shark-fin housing on the roof of a car is designed for Intelligent Transportation System. This UWB planar monopole antenna consists of a modified monopole antenna and parasitic strip feeding structure, which can generate a bandwidth from 2.6GHz to 5.0GHz, in a limited size of 31.5mm × 38.2mm × 1.6mm. A moderate gain, which is better than 4.4dBi, is obtained. It is easily fabricated from a printed circuit board and a metal sheet with low-cost process and materials. The antenna characteristics have been optimized to confirm the possibility for use of UWB locating in automotive applications.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121645601","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
Design of a Low-Sidelobe Pyramidal Horn Antenna based on the Image Theory 基于像理论的低旁瓣锥体喇叭天线设计
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246032
Xiaolei Ren, Y. Ge, Z. Chen
{"title":"Design of a Low-Sidelobe Pyramidal Horn Antenna based on the Image Theory","authors":"Xiaolei Ren, Y. Ge, Z. Chen","doi":"10.1109/APCAP50217.2020.9246032","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246032","url":null,"abstract":"A new approach is presented to design low-sidelobe pyramidal horn antennas. The image theory is applied to seek the tapered electric field distribution on the aperture of normal pyramidal horns so that low-side levels can be found in both E and H planes. A metasurface with periodic subwavelength elements is developed to achieve zero reflection phase at the operating frequency. When placing two such metasurfaces on the two wide walls of the pyramidal horn, low sidelobes are expected. Simulations are conducted to validate the prediction.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133945211","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 Negative Group Delay Circuit Based on Bidirectional Branch Directional Coupler 基于双向支路定向耦合器的负群延时电路研究
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246134
Qingge Ma, Li Zhang
{"title":"Research on Negative Group Delay Circuit Based on Bidirectional Branch Directional Coupler","authors":"Qingge Ma, Li Zhang","doi":"10.1109/APCAP50217.2020.9246134","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246134","url":null,"abstract":"In order to solve the problems of high loss, narrow bandwidth, and low delay of existing negative group delay circuits, a new type of distributed negative group delay circuit is designed. Then the value of the transmission line directly affects the transmission characteristics of the port, and the value of R will change the amplitude characteristics of the transmission parameters. The main influence factors are analyzed by combining the circuit structure and classify discussing the changes in signal loss and negative group delay. Finally, it is concluded that the group delay of the new negative group delay circuit designed in this paper is -28ns and the signal loss is 22.20dB. The larger negative group delay with less loss, can effectively reduce the number of amplifiers in the circuit and the noise in the operating frequency band, which is beneficial to the improvement of transmission efficiency.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133491210","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
The Application of Nearly PML for a Weaker HIEFDTD Method 近PML在较弱HIEFDTD方法中的应用
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246138
Yong-Dan Kong, Hong-Yu Zhang, Chu-Bin Zhang
{"title":"The Application of Nearly PML for a Weaker HIEFDTD Method","authors":"Yong-Dan Kong, Hong-Yu Zhang, Chu-Bin Zhang","doi":"10.1109/APCAP50217.2020.9246138","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246138","url":null,"abstract":"Nearly perfectly matched layer (NPML) is applied to a 3-D weaker hybrid implicit-explicit finite difference time domain (HIE-FDTD) method in this paper. By applying stretched coordinate variables in the weaker HIE-FDTD method, the formulation of the proposed HIE-NPML-FDTD algorithm can be obtained. The numerical simulation results show that the proposed algorithm is weakly conditional stable and accurate.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124299687","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
Improving Co- to Cross-Polarization Ratio of Vivaldi Antenna Using TE20 Mode SIW Launcher 利用TE20模式SIW发射装置提高维瓦尔第天线的共极化与交极化比
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9245932
M. Ahmadian, H. Oraizi
{"title":"Improving Co- to Cross-Polarization Ratio of Vivaldi Antenna Using TE20 Mode SIW Launcher","authors":"M. Ahmadian, H. Oraizi","doi":"10.1109/APCAP50217.2020.9245932","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9245932","url":null,"abstract":"To reduce the cross-polarization of antipodal Vivaldi antenna (AVA), the TE20 mode of the substrate integrated waveguide (SIW) is used, which can feed two AVAs that are mirrored copy relative to each other with the same amplitude and opposite phase on the X band. The proposed structure is planar, and since it has been implemented in SIW technology, this lightweight and low profile antenna has low leakage of power in the undesired direction and is relatively low-cost.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124320160","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
FEXT Reduction Using Mushroom Structures Thickened Soldermask for DDR5 PCBs 蘑菇结构增厚焊膜在DDR5 pcb上的文本还原
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9245950
Xiao-Bo Yu, Qiangming Cai, Liang Zhang, Chao Zhang, Lin Zhu, Yinglei Ren, J. Fan
{"title":"FEXT Reduction Using Mushroom Structures Thickened Soldermask for DDR5 PCBs","authors":"Xiao-Bo Yu, Qiangming Cai, Liang Zhang, Chao Zhang, Lin Zhu, Yinglei Ren, J. Fan","doi":"10.1109/APCAP50217.2020.9245950","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9245950","url":null,"abstract":"Far-end crosstalk (FEXT) between adjacent signal lines is one of the most critical factors affecting signal integrity (SI) in double data rate 5 (DDR5) printed circuit boards (PCBs). In this paper, a new method for FEXT reduction, based on mushroom structures thickened soldermask (MSTS) for coupled signal lines, is proposed and investigated. From the simulated S-parameters results, FEXT of this proposed method can be suppressed among a very wide frequency range. Additionally, the FEXT is decreased more than 25dB around the main frequency of DDR5, compared with the traditional signal routing. Finally, both frequency and time domains results show that our proposed method could significantly improve the performance of SI and dramatically reduce FEXT for DDR5 system designs.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124321873","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
A Cpw-fed Dual-Band Dual-Pattern Radiation Patch Antenna Based on TM01 and TM02 Mode 基于TM01和TM02模式的cpw馈源双频双图辐射贴片天线
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9245936
Huachong Liu, Linglong Meng, Xingyue Huo, Shoushan Liu
{"title":"A Cpw-fed Dual-Band Dual-Pattern Radiation Patch Antenna Based on TM01 and TM02 Mode","authors":"Huachong Liu, Linglong Meng, Xingyue Huo, Shoushan Liu","doi":"10.1109/APCAP50217.2020.9245936","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9245936","url":null,"abstract":"In this paper, a novel dual-band dual-pattern radiation patch antenna is proposed. The structure adopts the coplanar waveguide feed integrated on the ground plane to realize the design of dual-band dual-pattern radiation. By carving branches around the radiation patch and changing the current path and direction of the patch surface, more resonant frequency points are excited. The measured results show that the design can produce resonance at two frequency points of 4.6 GHz (TM01 mode) and 5.2 GHz (TM02 mode), and the peak gain is 2.23 dBi and 4.40 dBi respectively. The E-plane dual directional radiation is maximum at ±45°.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114585720","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
Broadband Dipole Antenna with Extremely Compact Feeding Structure 极紧凑馈电结构的宽带偶极子天线
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9246053
Feng Xiao, Xianqi Lin, Yihong Su, Zhe Chen
{"title":"Broadband Dipole Antenna with Extremely Compact Feeding Structure","authors":"Feng Xiao, Xianqi Lin, Yihong Su, Zhe Chen","doi":"10.1109/APCAP50217.2020.9246053","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9246053","url":null,"abstract":"A broadband dipole antenna with extremely compact feeding structure is proposed in this paper. By introducing a double-layer slot line structure to avoid using traditional λ/4 balun, the total size of feeding line become much smaller than the antenna itself. As a matching branch is introduced on the top of the dipole, its impedance bandwidth is widened. Measured results show that the reflection coefficient of the proposed antenna is lower than -10 dB from 2.8 GHz to 5.0 GHz and the radiation pattern in this band is omnidirectional.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"732 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115130089","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
Microfluidic sensor based on near-zero-index media 基于近零折射率介质的微流体传感器
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI: 10.1109/APCAP50217.2020.9245981
Y. Mao, Yong Jin Zhou
{"title":"Microfluidic sensor based on near-zero-index media","authors":"Y. Mao, Yong Jin Zhou","doi":"10.1109/APCAP50217.2020.9245981","DOIUrl":"https://doi.org/10.1109/APCAP50217.2020.9245981","url":null,"abstract":"Due to the deformable and locally adjustable characteristics and local field enhancements, near-zero-index (NZI) medium has found applications in sensors, waveguides, integrated circuits, and other fields. Here a cylindrical microfluidic channel is etched into epsilon-near-zero (ENZ) medium and a microfluidic sensor with high sensitivity is realized The transmission coefficients and phase of the magnetic fields are observed. It can be seen that the sensor has high sensitivity and small changes of the effective permeability can be effectively measured.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116887447","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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