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2007 International Conference on Microwave and Millimeter Wave Technology最新文献

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A Novel Ultra-Wideband Microstrip-Line Fed Wide-Slot Antenna Having Frequency Band-Notch Function 一种具有频段陷波功能的新型超宽带微带线馈电宽槽天线
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381264
Yuan Yao, Bing-Jhang Huang, Zhenghe Feng
{"title":"A Novel Ultra-Wideband Microstrip-Line Fed Wide-Slot Antenna Having Frequency Band-Notch Function","authors":"Yuan Yao, Bing-Jhang Huang, Zhenghe Feng","doi":"10.1109/ICMMT.2007.381264","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381264","url":null,"abstract":"A novel band-notched ultra-wideband wide-slot antenna fed with a microstrip-line is presented. The antenna is composed of a circular microstrip patch and a semicircular arc cut on the ground of the microstrip line. By embedding a simple arc-shaped slot in the circular microstrip patch, an ultra- wideband (UWB, 3.1-10.6 GHz) operation with a notched frequency band can be obtained. The arc-shaped slot has a length of about one-half wavelength of the desired notched frequency. The measured results also show that the proposed antenna has stable radiation patterns over its whole frequency band. This kind of band-notched UWB antenna requires no external filters and thus greatly simplifies the circuit design of the communication system.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116400507","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: 15
Novel Dual-Mode Bandpass Filter Using Right-angled Triangular Patch Resonator 采用直角三角形贴片谐振腔的新型双模带通滤波器
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381421
Jian‐Kang Xiao, Zi-Hua Wang
{"title":"Novel Dual-Mode Bandpass Filter Using Right-angled Triangular Patch Resonator","authors":"Jian‐Kang Xiao, Zi-Hua Wang","doi":"10.1109/ICMMT.2007.381421","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381421","url":null,"abstract":"In this paper, novel fractal-shaped microstrip bandpass filters with one isosceles triangular defected cell and double defected cells using isosceles right-angled triangular resonator are presented, and their filter performances are calculated and optimized. Using etched fractal-shaped defections in patch, the proposed bandpass filters with a wide passband of about 1.48 GHz, and dual passband centered at 9.61 GHz and 12.013 GHz are implemented, respectively, and all have transmission zeros. The novel filters have advantages such as simple and compact structures, small sizes, high selectivity and so on, and can be quite useful for future applications in wireless communication systems.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121731324","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 6.25 Gb/s Decision Feedback Equalizer used in SerDes for High-speed Backplane Communications 6.25 Gb/s决策反馈均衡器用于高速背板通信
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381426
Ming-zhu Zhou, En Zhu, Shoujun Wang, Zhigong Wang
{"title":"A 6.25 Gb/s Decision Feedback Equalizer used in SerDes for High-speed Backplane Communications","authors":"Ming-zhu Zhou, En Zhu, Shoujun Wang, Zhigong Wang","doi":"10.1109/ICMMT.2007.381426","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381426","url":null,"abstract":"A 6.25 Gb/s two-tap DFE (decision feedback equalizer) in high-speed backplane receiver has been designed in a 0.18-mum CMOS. The pipelined architecture in the half-rate DFE achieves an increase in the transmitted data rate over conventional DFE with a small increase in area. Near end data is a 6.25 Gb/s PRBS10 with 0.5 Vp-p, and the DFE recovered data has been measured with jitter (pp) of 3 ps and a horizontal eye-opening of 0.97 UI, a vertical eye opening of 0.48 V.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123631928","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
A New ethod to improve Precision of Target Position in RFS 一种提高RFS中目标位置精度的新方法
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381335
He Weichao, Zhang Linxi, Li Nanjing
{"title":"A New ethod to improve Precision of Target Position in RFS","authors":"He Weichao, Zhang Linxi, Li Nanjing","doi":"10.1109/ICMMT.2007.381335","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381335","url":null,"abstract":"Radio frequency simulation systems (RFSS) are widely applied in the radio seeker research, but in low band (1-2GHz), the position precision of radio frequency array as a key parameter is hard to insure by hardware ways, and often hard to meet the experimental requirement. One new method by software calibration is put forward. By analyzing the position errors of array systematically, errors are decomposed into systematical error of array element and random error of the system environment. By summarizing the distributing character of systematical error, a beforehand setting calibration arithmetic is deduced, the equation of array corrective transformation can be calculated exactly. Finally by experimental validation, the position precision of array is enhanced by more than four times.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123796090","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
Design of Suspended Patch Antenna with EBG Substrate 基于EBG衬底的悬式贴片天线设计
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381326
Yan Wang, Jiawen Sun, Zhenghe Feng
{"title":"Design of Suspended Patch Antenna with EBG Substrate","authors":"Yan Wang, Jiawen Sun, Zhenghe Feng","doi":"10.1109/ICMMT.2007.381326","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381326","url":null,"abstract":"Suspended patch antenna with fork- like EBG substrate is designed for broadband application in this paper. Due to the use of EBG structure, the main-side lobe ratio of the antenna is increased by 3.3 dB. Simulation and experiments have been carried out to verify the improvement in the antenna performance. The use of fork-like EBG structure also leads to an easy way to design the entire structure.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123837435","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
Simulation calculation for Ka-band second-harmonic Gyro-TWT Using a helical corrugation waveguide 采用螺旋波纹波导的ka波段二次谐波陀螺行波管的仿真计算
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381444
W. Lei, Zhou Xu, Ming Li, Xingfan Yang
{"title":"Simulation calculation for Ka-band second-harmonic Gyro-TWT Using a helical corrugation waveguide","authors":"W. Lei, Zhou Xu, Ming Li, Xingfan Yang","doi":"10.1109/ICMMT.2007.381444","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381444","url":null,"abstract":"The eigenwave dispersion of 8 mm 3-folded helical corrugation waveguide is simulated using CSL software. The electron beam 80 kV and main magnetic field 0.67 L are given by the eigenwave dispersion for Ka-band Gyro-LWL using helical waveguide. The beam-wave interaction procedure is simulated using a PIC code, in which LE11 and LE21 coupling mode transform and a right-rotating large-orbit electron bunch are obtained. The maximal output power is about 42.5 kW and the maximal gain is about 29.3 dB in 35 GHz. The 3 dB bandwidth is about 8.7% from 33 GHz to 35.8 GHz.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122161234","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 LNA Design for WCDMA Application In 0.18um CMOS Process 基于0.18um CMOS工艺的WCDMA应用LNA设计
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381467
Xiao-Dong Wang, Jia-you Song
{"title":"A LNA Design for WCDMA Application In 0.18um CMOS Process","authors":"Xiao-Dong Wang, Jia-you Song","doi":"10.1109/ICMMT.2007.381467","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381467","url":null,"abstract":"This paper presents a design and optimization method for low noise amplifiers (LNAs), based on the minimization of the noise figure for a given power consumption. The LNA design is realized through the 0.18 mum CMOS process with the operating frequency at 2.14GHz. Simulation results show that the amplifier draws 5.36 mA from a given 1.8 V supply voltage while keeping the input/output impedance matched to 50 Omega. Furthermore, the circuit behaviors with 0.655 dB noise figure, gain of 16.64 dB, 1 dB compression point of about -12 dBm and IIP3 of 6 dBm.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122248286","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 Simulation on Spectral Phase-Encoded OCDMA System 频谱相位编码OCDMA系统的分析与仿真
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381505
Bing Long, Wu Pan
{"title":"Analysis and Simulation on Spectral Phase-Encoded OCDMA System","authors":"Bing Long, Wu Pan","doi":"10.1109/ICMMT.2007.381505","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381505","url":null,"abstract":"This paper analyzes the temporal behavior of pseudo-random code and the effects on a spectral phase-encoded time-spreading OCDMA System. A spectral phase-encoded time-spreading optical code division multiple access system designed by Optiwave's Optisystem was demonstrated. The system's performance was simulated under the different pseudo-random phase codes. The OCDMA system's performance would be better if the phase codes have equal amount of 1 and -1 and improved by increasing phase code length. The system performance is evaluated by the Bit Error Rates (BER).","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125911992","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
Application of Second-Order Accurate FDTD at Dielectric Interfaces in Three Dimension Case 二阶精确时域有限差分法在三维介质界面上的应用
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381358
H. Ding, Q. Chu
{"title":"Application of Second-Order Accurate FDTD at Dielectric Interfaces in Three Dimension Case","authors":"H. Ding, Q. Chu","doi":"10.1109/ICMMT.2007.381358","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381358","url":null,"abstract":"The second order accurate FDTD techniques at the dielectric interface is applied to the case of three dimension through the integral form of Maxwell's curl equations in the nonuniform grids and Taylor series extending of continuous fields component over finite volumes including the interface. The numerical results demonstrate that the proposed algorithm can effectively improve the accuracy.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129946886","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
Memory Effect Pre-compensation for Wideband RF Power Amplifiers Using FIR-Based Weak Nonlinear Filters 基于fir的弱非线性滤波器对宽带射频功率放大器的记忆效应预补偿
2007 International Conference on Microwave and Millimeter Wave Technology Pub Date : 2007-04-18 DOI: 10.1109/ICMMT.2007.381475
Taijun Liu, Yan Ye, Xingbin Zeng, S. Boumaiza, Jiaming He, F. Ghannouchi
{"title":"Memory Effect Pre-compensation for Wideband RF Power Amplifiers Using FIR-Based Weak Nonlinear Filters","authors":"Taijun Liu, Yan Ye, Xingbin Zeng, S. Boumaiza, Jiaming He, F. Ghannouchi","doi":"10.1109/ICMMT.2007.381475","DOIUrl":"https://doi.org/10.1109/ICMMT.2007.381475","url":null,"abstract":"This paper proposes an effective memory effect pre-compensation technique, which is based on a weak nonlinear finite impulse response (FIR) filter. This weak nonlinear FIR filter comprises two FIRs in parallel with different inputs. The performance evaluation of this pre-compensation technique is carried out on an L-band push-pull GaAs FET 45-dBm peak-envelope-power amplifier using 3GPP-FDD WCDMA signals. The validation results in spectrum domain demonstrate noticeable superiority of the proposed weak nonlinear FIR filter in suppressing the memory effects in comparison to a traditional FIR filter.","PeriodicalId":409971,"journal":{"name":"2007 International Conference on Microwave and Millimeter Wave Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129973126","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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