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2010 International Symposium on Signals, Systems and Electronics最新文献

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A novel solution to marching-on-in-order time-domain integral equations using order-independent temporal basis functions 一种利用序无关时间基函数求解序上阶时域积分方程的方法
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5607091
Q. Q. Wang, Y. Shi, R. Chen
{"title":"A novel solution to marching-on-in-order time-domain integral equations using order-independent temporal basis functions","authors":"Q. Q. Wang, Y. Shi, R. Chen","doi":"10.1109/ISSSE.2010.5607091","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5607091","url":null,"abstract":"In this paper, a novel solution to marching-on-in-order (MOO) time-domain integral equations (TDIE) are introduced using order-independent temporal (OIT) basis functions to analyze transient electromagnetic scattering from perfect electrically conducting (PEC) structures. The OIT basis function is based on the Laguerre polynomials and generated via a singular value decomposition (SVD). It can considerably reduce the matrix size and also the memory requirement. The RWG basis function is used as the spatial basis function for its flexibility in modeling arbitrary geometries. The temporal and spatial testing procedures are separate, and both of them are carried on with the Galerkin's method. Numerical results are given to verify the proposed method.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130822864","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
Compact UWB filter with notched band and improved out-of-band performance 紧凑的UWB滤波器，带陷波带和改进的带外性能
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5606943
G. Wu, Jie Peng, Bian Wu, C. Liang
{"title":"Compact UWB filter with notched band and improved out-of-band performance","authors":"G. Wu, Jie Peng, Bian Wu, C. Liang","doi":"10.1109/ISSSE.2010.5606943","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5606943","url":null,"abstract":"A compact ultra-wideband (UWB) bandpass filter (BPF) with notched band and improved out-of-band performance is presented. In the design, A UWB bandpass filter is built up using the hybrid microstrip and coplanar waveguide (CPW) structure. Open stubs are embedded on the bottom of filter to realize the narrow band which is to reject the undesired wireless local-area network (WLAN) radio signals. The center and bandwidth of the notched band can be controlled by adjusting the length and width of the stubs. A cross-shape patch is constructed to implement transmission zeros in the upper out-of-band so as to suppress the first spurious passband. The proposed UWB filter has the merits of compact size, flat group delay, good insertion/return loss, and good selectivity.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133217700","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 broadband dual-polarization ceiling-mounted antenna with a nesting structure 一种带嵌套结构的宽带双极化顶棚天线
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5606976
J. Chen, X. Zhang, X. Dai, C. B. Zhang, C. Jiang
{"title":"A broadband dual-polarization ceiling-mounted antenna with a nesting structure","authors":"J. Chen, X. Zhang, X. Dai, C. B. Zhang, C. Jiang","doi":"10.1109/ISSSE.2010.5606976","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5606976","url":null,"abstract":"A dual-polarized ceiling-mounted antenna, based on previous ceiling-mounted antennas is proposed in this letter. It consists of one vertical polarization unit and one horizontal polarization unit. The vertical polarization unit is a transformation of a monople, looking like a tundish. And the horizontal polarization unit comprises of four dipoles on a substrate ring. The two units compose a nesting structure. The impedance bandwidth of this dual-polarization ceiling-mounted antenna ranges from 2.3 to 2.7 GHz, covering TD-SCDMA band (2.3 GHz to 2.4 GHz). And due to the symmetrical structures, the antenna radiates omnidirectional patterns in azimuth.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133242587","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: 12
A fully integrated CMOS GPS receiver with double conversion technique 采用双转换技术的全集成CMOS GPS接收机
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5607079
Chen Ying-mei, Jing Yong-kang, Zhang Zhi-hang, Zhang Li
{"title":"A fully integrated CMOS GPS receiver with double conversion technique","authors":"Chen Ying-mei, Jing Yong-kang, Zhang Zhi-hang, Zhang Li","doi":"10.1109/ISSSE.2010.5607079","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5607079","url":null,"abstract":"This paper presents a L1 band low noise integrated global positioning system (GPS) receiver chip using 0.18-um CMOS technology. Dual-conversion with a low-IF architecture was used for this GPS receiver. The receiver is composed of LNA, down-conversion mixers, band pass filter, received signal strength indicator, variable gain amplifier, programmable gain amplifier, ADC, PLL frequency synthesizer and some other key blocks. The receiver exhibits maximum gain of 105dB and noise figure of less than 6dB. The VGA and PGA provide gain control dynamic range over 50dB. The receiver consumes less than 160mW from a 1.8-V supply while occupying a 2.9-mm2 chip area including the ESD I/O pads.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133251071","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
Multiple constraint space-time direct data domain approach using nonuniformly, semicircular and sinusoidal spaced arrays of real elements 多约束时空直接数据域方法采用实数元的非均匀、半圆和正弦间隔阵列
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5607138
H. Elkamchouchi, D. Mohamed, W. Ali
{"title":"Multiple constraint space-time direct data domain approach using nonuniformly, semicircular and sinusoidal spaced arrays of real elements","authors":"H. Elkamchouchi, D. Mohamed, W. Ali","doi":"10.1109/ISSSE.2010.5607138","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5607138","url":null,"abstract":"A Direct Data Domain Least Squares (D3LS) approach is developed for multiple target detection in Space Time Adaptive Processing (STAP) and is applied on signal received from different configurations of real elements. We are interested in three different kinds of antenna configuration which are non-uniformly spaced linear array, semicircular array and sinusoidal spaced array. The mutual coupling between real elements will affect on the estimation of complex amplitude of Signal of Interest (SOI). It is necessary to use a transformation matrix to compensate for the strong mutual coupling that exists between the antenna elements. Then, we will apply the multiple constrained STAP D3LS on the compensated voltages. Numerical simulations are done using the three main methods of D3LS namely the forward, backward, and the forward-backward methods and it show that multiple beams are directed towards target directions maintaining their gains constrained along those directions.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115802595","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 millimeter-wave 11.25° digital phase shifter 毫米波11.25°数字移相器的设计
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5606972
Yueling Liu, Xiaoke Kang, Yongshuai Wang, Benlin Jiang
{"title":"Design of millimeter-wave 11.25° digital phase shifter","authors":"Yueling Liu, Xiaoke Kang, Yongshuai Wang, Benlin Jiang","doi":"10.1109/ISSSE.2010.5606972","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5606972","url":null,"abstract":"A new technique for designing millimeter-wave 11.25º digital phase shifter circuit is presented. The proposed phase shifter were fabricated using a tandem stubs phase shifter for 11.25º at Ka-band. In the operating frequency from 30GHz to 31GHz, the VS WR of the phase shifter is less than 1.65, the insertion loss is less than 3dB, the phase shift is fixed around 11.25° and its accuracy is up to ±3 °.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114837601","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
Analysis and design of a dual-band microstrip antenna 双频微带天线的分析与设计
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5606993
Xianwei Yu, Zenghui Yang, Q. Cao
{"title":"Analysis and design of a dual-band microstrip antenna","authors":"Xianwei Yu, Zenghui Yang, Q. Cao","doi":"10.1109/ISSSE.2010.5606993","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5606993","url":null,"abstract":"This paper proposes a new dual-band microstrip antenna array that can operate at X-band. Aperture-coupled and double-layer microstrip patch structure are applied on the antenna array. The aperture structure is H-shape, and all elements of the array are fed in parallel. It is found that the return loss of −22.42dB is achieved at the first resonant frequency of 9.13GHz and −23.52dB is obtained at the second resonant frequency of 9.88GHz. The antenna gives a stable radiation performance with gain greater than 16dB over the frequency band.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124023777","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
The design of GPS IF signal software simulator GPS中频信号软件模拟器的设计
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5607059
Jun Wang, -. Xi, Jiangfan Liu
{"title":"The design of GPS IF signal software simulator","authors":"Jun Wang, -. Xi, Jiangfan Liu","doi":"10.1109/ISSSE.2010.5607059","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5607059","url":null,"abstract":"This article designed a GPS IF signal simulator 1which is based on the software; it can simulate the GPS IF signal after the user assigned the moving condition of its carrier. It is very facility for the GPS software receiver to research or validate its arithmetic. The papers start with GPS IF signal architecture; illustrate the theory and arithmetic of simulator, then give the detail flow chart for generating the signal. At last use the software receiver to acquire and track the signal generated by the simulator and confirms it.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127131944","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
A beam-splitting approach to measure microwave backscattering coefficient(σO) of ferrite tile 用分束法测量铁氧体瓦微波后向散射系数σO
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5606967
Kang Qing, Wang Zhenggang, S. Zhiqiang, Z. Pengcheng
{"title":"A beam-splitting approach to measure microwave backscattering coefficient(σO) of ferrite tile","authors":"Kang Qing, Wang Zhenggang, S. Zhiqiang, Z. Pengcheng","doi":"10.1109/ISSSE.2010.5606967","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5606967","url":null,"abstract":"This article puts forward a beam-splitting approach to measure microwave backscattering coefficient, measures the microwave backscattering coefficient of ferrite tile sample, and observe the variation laws of incident angle. This approach and its results offer an experimental means to measure backscattering coefficient of absorbing microwave materials.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"04 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127461668","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 monolithic image rejection mixer 单片图像抑制混频器的设计
2010 International Symposium on Signals, Systems and Electronics Pub Date : 2010-10-21 DOI: 10.1109/ISSSE.2010.5607004
P. Yan, W. Hong, Jixin Chen
{"title":"Design of monolithic image rejection mixer","authors":"P. Yan, W. Hong, Jixin Chen","doi":"10.1109/ISSSE.2010.5607004","DOIUrl":"https://doi.org/10.1109/ISSSE.2010.5607004","url":null,"abstract":"A image rejection mixer MMIC has been designed and implemented with 0.15µm GaAs pHEMT process, with the chip size of 1.36mm×1.38mm. The mixer employs a balanced image rejection structure and resistive FET mixers. The measured conversion loss is less than 10.6dB in the frequency range of 24GHz to 40GHz and the image rejection is above 15dB.","PeriodicalId":211786,"journal":{"name":"2010 International Symposium on Signals, Systems and Electronics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130102151","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
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