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2015 Asia-Pacific Microwave Conference (APMC)最新文献

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Design of a ultra-wideband filter based on defected ground structure 基于缺陷接地结构的超宽带滤波器设计
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413142
Liqin Xu, Teng Zhu
{"title":"Design of a ultra-wideband filter based on defected ground structure","authors":"Liqin Xu, Teng Zhu","doi":"10.1109/APMC.2015.7413142","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413142","url":null,"abstract":"A novel ultra-wide band(UWB) filter based on defected ground structure (DGS) is proposed in this paper. This proposed filter based on DGS is transformed from traditional filter and it is designed with a 0.508mm dielectric substrate thick with dielectric constant 2.2. It has a small size and exhibits good performance. Moreover, this filter has good quality in passband(from 3.1 to 10.6 GHz), high restraint external band(more than 10dB from 11.5GHz to 14.8GHz). The new filter is successfully designed and fabricated and the measured results are in a good agreement with those obtained by numerical investigation.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134465518","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
Research on pyramidal horn antenna using integrated optical E-field probe 集成光场探头锥体喇叭天线的研究
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413421
Deqiang Yang, Sihao Liu, Bao Sun, Jin Pan
{"title":"Research on pyramidal horn antenna using integrated optical E-field probe","authors":"Deqiang Yang, Sihao Liu, Bao Sun, Jin Pan","doi":"10.1109/APMC.2015.7413421","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413421","url":null,"abstract":"In order to reducing the interference. A novel electric field probe utilizing integrated optical waveguide is designed for pyramidal horn antenna in this letter. The new optical probe detects the E-filed vector in the pyramidal horn and converts the field into light signal. Compared with the traditional probe, this design has the advantages of less interference on E-field, low transmission loss (0.2dB/km) and high immunity to electromagnetic interference. The principle and fabrication process of the optical probe are given. Experimental results show that the probe is very suitable for applying in pyramidal horn antenna.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134466593","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 fully integrated single-chip 35GHz FMCW radar transceiver with high bandwidth in 65nm CMOS process 采用65nm CMOS工艺的35GHz高带宽全集成单片FMCW雷达收发器
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7411588
Chen Zhao, Yuan Chen, Xinyi Sheng, Bowen Ding, S. Yuan, Tong Tian
{"title":"A fully integrated single-chip 35GHz FMCW radar transceiver with high bandwidth in 65nm CMOS process","authors":"Chen Zhao, Yuan Chen, Xinyi Sheng, Bowen Ding, S. Yuan, Tong Tian","doi":"10.1109/APMC.2015.7411588","DOIUrl":"https://doi.org/10.1109/APMC.2015.7411588","url":null,"abstract":"A fully integrated 35GHz linearly Frequency Modulated Continuous Wave (FMCW) single-chip radar transceiver is successfully implemented in 65nm standard CMOS process. The single-chip transceiver is configured in one transmitter and two receivers and includes a wideband process-oriented optimized QVCO, a mm-Wave power amplifier, low noise amplifiers, low noise passive mixers, IF amplifiers as well as control blocks and power management blocks. The one-transmitter-two-receiver configuration will help the radar provide additional functions such as direction angle detecting, positioning and so on. Specially developed design and modeling technologies are involved to promote the linearity and phase noise level of the transmitting link and noise performance of the receiving links. Furthermore, the chip is designed in modularity and presents possibilities with chips to compose MIMO, Phase Array system or other specific detecting system. The presented single chip radar transceiver is able to provide 10dBm output power with 1.5GHz frequency sweep range, 12dB single side band noise figure and draw 170mA current from 1.2V supply.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115336472","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: 6
Switchable compact widestopband bandstop filter to wideband bandpass filter 可切换紧凑的宽带带阻滤波器到宽带带通滤波器
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7411660
Nagendra Kumar, Y. K. Singh
{"title":"Switchable compact widestopband bandstop filter to wideband bandpass filter","authors":"Nagendra Kumar, Y. K. Singh","doi":"10.1109/APMC.2015.7411660","DOIUrl":"https://doi.org/10.1109/APMC.2015.7411660","url":null,"abstract":"In this paper, a switchable compact microstrip band-stop filter (BSF) to bandpass filter (BPF) using spiral resonator is reported. In BSF, spiral resonator has open ends as against to the shorted ends of the BPF. This concept is used to design the filter switchable so that in a single layout, the two filters - BSF and BPF - can be achieved. PIN diode is used for switching operation. Also a mathematical two-port system approach is used to derive the response of the proposed filter consisting of spiral resonator. To validate the proposed filter design, a switchable BSF to BPF is designed and fabricated on the substrate RT/Duroid 6010.2 having dielectric constant and thickness of 10.2 and 0.635 mm respectively. Simulation and experimental results are in good agreement.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"229 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115481328","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: 4
Dual complementary source antenna element with high gain and low profile characteristics 具有高增益和低轮廓特性的双互补源天线元件
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413592
H. Lai, K. So, H. Wong, C. Chan, K. Luk
{"title":"Dual complementary source antenna element with high gain and low profile characteristics","authors":"H. Lai, K. So, H. Wong, C. Chan, K. Luk","doi":"10.1109/APMC.2015.7413592","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413592","url":null,"abstract":"This paper demonstrates a novel ME dipole antenna element design with dual excitation sources. Same as the original ME dipole, the proposed antenna has the excellent radiation characteristics of wideband, low back radiation and high polarization purity for both single and dual linear polarization. In addition, it has the characteristics of lower profile and higher gain as well. High input ports isolation is achieved in the dual polarization design. These advanced performances cannot be achieved by the conventional ME dipoles.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115680162","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 miniaturization design of tapered slot antenna for wideband applications 宽带应用中锥形缝隙天线的小型化设计
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413171
Ping Gao, W. Dou, Fengying Wang, Xuqi Chen
{"title":"The miniaturization design of tapered slot antenna for wideband applications","authors":"Ping Gao, W. Dou, Fengying Wang, Xuqi Chen","doi":"10.1109/APMC.2015.7413171","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413171","url":null,"abstract":"A miniaturized tapered slot antenna is presented in this paper. A Vivaldi antenna with a novel feeding balun is selected as the basic design and resistive loading is used at the end of it to make a compact structure. The proposed antenna is fabricated with the size of 155mm (length)*120mm (width)*0.6mm (thickness). The measured results, which are in agreement with the simulated theory by HFSS, show that the bandwidth is 0.36~4GHz (S11<;-10dB), while the gain varies between -6.2 and 7.5dB. It is indicated that the antenna can be used for wideband applications which have strict request for the size.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124136743","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: 4
Electromagnetic modeling for chiral material coated conducting object above a lossy half space 有耗半空间上手性材料涂层导电物体的电磁建模
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413515
Yunqin Hu, Jian Zhu, Quanquan Wang, T. Wan
{"title":"Electromagnetic modeling for chiral material coated conducting object above a lossy half space","authors":"Yunqin Hu, Jian Zhu, Quanquan Wang, T. Wan","doi":"10.1109/APMC.2015.7413515","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413515","url":null,"abstract":"An efficient surface integral equation solution is presented to the problem of electromagnetic scattering from chiral material coated conducting object above a lossy half space. By using the surface equivalence principle and the Bohren decomposition scheme, the electric-magnetic current combined-field integral equation (JMCFIE) combined with the combined-field integral equation (CFIE) is developed. The accuracy of this method is confirmed with two numerical examples.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124223668","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
Electrically steerable leaky-wave antenna capable of both forward and backward radiation based on liquid crystal 基于液晶的正反向电控漏波天线
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413163
Yan Gao, Yue-Long Lyu, F. Meng, Qun Wu
{"title":"Electrically steerable leaky-wave antenna capable of both forward and backward radiation based on liquid crystal","authors":"Yan Gao, Yue-Long Lyu, F. Meng, Qun Wu","doi":"10.1109/APMC.2015.7413163","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413163","url":null,"abstract":"In this paper, a electrically beam scanning leaky-wave antenna (LWA) based on composite right/left-handed (CRLH) rectangular waveguide (RWG) is presented. In the proposed LWA, liquid crystal (LC) is chosen as tunable material, which could be controlled by applied electric and magnetic field. The beam of LWA proposed can be steered at a fixed frequency as the electromagnetic parameters of LC change under different bias voltages. The designed antenna supports the backward-to-forward beam scanning. It is found from simulations that the antenna has a beam scanning angle from -19° to 12° at 9.7 GHz.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124359749","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
Leapfrog ADI-FDTD method for isotropic plasma based on Laplace Transform Principle 基于拉普拉斯变换原理的各向同性等离子体跨越式ADI-FDTD方法
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413108
D. Cheng, Hong-Cheng Yin, H. Zheng, L. Feng
{"title":"Leapfrog ADI-FDTD method for isotropic plasma based on Laplace Transform Principle","authors":"D. Cheng, Hong-Cheng Yin, H. Zheng, L. Feng","doi":"10.1109/APMC.2015.7413108","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413108","url":null,"abstract":"The nontime-step-splitting leapfrog alternating-direction-implicit finite-difference-time-domain (ADI-FDTD) method is extended to plasma calculation based on Laplace Transform Principle. It is called Current-Density-Laplace-Transform (CDLT) leapfrog ADI-FDTD method. The corresponding formulations for isotropic plasma are derived. In order to verify the effectiveness of this method, the reflection and transmission coefficients of plasma plate are calculated. The numerical results show that the precision and efficiency of the proposed unconditionally stable method are both higher than that of the conventional explicit FDTD methods.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124532433","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
W-band substrate integrated waveguide filter with cross-coupling 交叉耦合w波段基片集成波导滤波器
2015 Asia-Pacific Microwave Conference (APMC) Pub Date : 2015-12-01 DOI: 10.1109/APMC.2015.7413089
Liyuan Wang, Chuanfang Zhang, Mengjia Luo, Chun-chun Ma, C. Jin
{"title":"W-band substrate integrated waveguide filter with cross-coupling","authors":"Liyuan Wang, Chuanfang Zhang, Mengjia Luo, Chun-chun Ma, C. Jin","doi":"10.1109/APMC.2015.7413089","DOIUrl":"https://doi.org/10.1109/APMC.2015.7413089","url":null,"abstract":"A W-band substrate integrated waveguide bandpass filter with cross-coupling are proposed and designed for RF front-end. The cross-coupling between the non-adjacent resonators is used to generate the finite transmission zero point away from the passband to improve stopband performance. A fourth-order filter with passband of 92-94 GHz is fabricated on a single-layer Rogers RT/Duroid5880 substrate using linear arrays of metallized via-holes by a standard printed circuit board process. Simulated in-band insertion loss is 2.5dB or better, and the stop-band attenuation in the frequency band of 90-95GHz is better than 35dB. Measured in-band insertion loss is better than 7.5dB, and the stop-band attenuation in the frequency band of 91-98GHz is lower than 30dB.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114838596","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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