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2007 Asia-Pacific Conference on Applied Electromagnetics最新文献

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Modelling and simulation of RDWG measurement set-up RDWG测量装置的建模与仿真
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603968
K. Ismail, Z. Awang
{"title":"Modelling and simulation of RDWG measurement set-up","authors":"K. Ismail, Z. Awang","doi":"10.1109/APACE.2007.4603968","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603968","url":null,"abstract":"In this study, a software package was used to verify the results of microwave measurements using rectangular dielectric waveguide (RDWG) measurement system operating at X-band. The main component of the measurement system, RDWG set-up was modelled and simulated. It was observed that the outcomes produced by modeling and simulation using the software package concur well with the measured results.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124320804","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
Sierpinski carpet fractal antenna 席尔宾斯基地毯分形天线
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603961
M. Kadir, A. S. Ja'afar, M. Aziz
{"title":"Sierpinski carpet fractal antenna","authors":"M. Kadir, A. S. Ja'afar, M. Aziz","doi":"10.1109/APACE.2007.4603961","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603961","url":null,"abstract":"This paper describes the design and fabrication of Sierpinski carpet fractal antenna. The investigation took place between ranges of 1GHz to 10 GHz. The fabricated Sierpinski carpet fractal antenna proves that it is capable to create multiband frequencies. There are six resonant frequencies appeared at 1.63 GHz, 4.99 GHz, 5.45 GHz, 7.68 GHz, 8.68 GHz and 9.99 GHz for second iteration. The radiation pattern shows the existing of side lobes especially at higher frequency. As the iteration increased, HPBW is still maintaining.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"198 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124430063","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: 21
An LTCC design technique based on FDTD EM simulations 基于时域有限差分电磁法仿真的LTCC设计技术
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603939
Z. Ambak, R. Alias, A. Ibrahim, S. Shapee, S. Ahmad, M. Yahya, A. Mat
{"title":"An LTCC design technique based on FDTD EM simulations","authors":"Z. Ambak, R. Alias, A. Ibrahim, S. Shapee, S. Ahmad, M. Yahya, A. Mat","doi":"10.1109/APACE.2007.4603939","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603939","url":null,"abstract":"This paper described the Low Technology Co-fired Ceramic (LTCC) design methodology at TMRND based on FDTD EM simulations that are required when designing the RF/microwave circuit. In this paper, 3D EM analysis and optimization with Finite Different Time Domain (FDTD) software Empire XcCeltrade from IMST was applied to achieve accurate modeling of the RF/microwave circuit using LTCC technology. A multilayer spiral inductor was selected for discussion to show this LTCC design technique. The main elements of the LTCC design technique relies on three important guidelines; use accurate component models, link the circuit schematic to the layout to reduce errors and finally link the layout to an EM simulator to detect coupling problems.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126324108","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
Power quality analysis using spectrogram and gabor transformation 用谱图和gabor变换分析电能质量
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603964
A. Abdullah, A. Sha'ameri, N. Saad
{"title":"Power quality analysis using spectrogram and gabor transformation","authors":"A. Abdullah, A. Sha'ameri, N. Saad","doi":"10.1109/APACE.2007.4603964","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603964","url":null,"abstract":"This paper discusses the implementation of time-frequency analysis techniques to analyze power quality disturbances. The approached methods are spectrogram and Gabor transform algorithms. Signal parameters such as time marginal and frequency marginal are extracted from the time-frequency distributions. The parameters are analyzed in terms of correctness measurement of root mean square (RMS), total harmonic distortion (THD), total waveform distortion (TWD) and total interharmonic distortion (TnHD) values. Power quality events that are analyzed are swell, sag, interruption, harmonic, interharmonic, transient, notching and normal voltage. The results show that Gabor transform provides better performance in terms of correctness of parameters measurement, window length, frequency resolution and memory size.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115971782","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: 22
A dual band planar monopole antenna with inverted-M parasitic plane 一种具有倒m寄生平面的双频平面单极天线
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603940
H. Nurul, P. Soh, A. Azremi, N. A. Saidatul, S. R. Norra, M. I. Ibrahim, R. B. Ahmad
{"title":"A dual band planar monopole antenna with inverted-M parasitic plane","authors":"H. Nurul, P. Soh, A. Azremi, N. A. Saidatul, S. R. Norra, M. I. Ibrahim, R. B. Ahmad","doi":"10.1109/APACE.2007.4603940","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603940","url":null,"abstract":"Introduction of parasitic plane as additional radiator helps to produce desired resonant frequencies, while helping to minimize the size of the antenna. A dual-band monopole antenna with parasitic plane is designed to satisfy dual-band applications, namely UMTS and WLAN 802.11. This work is an effort to investigate the effect of employing an inverted M-shaped parasitic plane, which introduces double slits in the monopole structure. The antenna parametric analysis of the antenna configuration was performed using experimental method. Results simulated and measured shows good correlation and the antenna is verified to be working in a dual band mode.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130035897","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: 7
Nonlinear analysis and design of an active antenna in S frequency band S波段有源天线的非线性分析与设计
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603905
P. Takook, A. Abdipour, A. Tavakoli, G. Moradi
{"title":"Nonlinear analysis and design of an active antenna in S frequency band","authors":"P. Takook, A. Abdipour, A. Tavakoli, G. Moradi","doi":"10.1109/APACE.2007.4603905","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603905","url":null,"abstract":"An active antenna for transmitter application in S frequency band is designed and analyzed using harmonic balance technique which is based on the nonlinear model of active devices. In this active antenna, the amplifier is integrated with the radiator which is a rectangular patch antenna. This patch antenna is analyzed with full-wave momentum method. The splitting algorithm is applied to solve the harmonic balance equation and obtain the steady-state voltages. The results of this method are compared with those of a commercial simulator. The comparison shows good agreement between results of this nonlinear approach and simulation.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130431312","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 design of flexible front end framework for accessing patient health records through short message service 通过短消息服务访问患者病历的灵活前端框架设计
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603885
M. Ghani, R. Bali, R. Naguib, I. M. Marshall, A. S. Shibghatullah
{"title":"The design of flexible front end framework for accessing patient health records through short message service","authors":"M. Ghani, R. Bali, R. Naguib, I. M. Marshall, A. S. Shibghatullah","doi":"10.1109/APACE.2007.4603885","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603885","url":null,"abstract":"Seamless access to a patientpsilas lifetime health records is crucial for helping doctors in making decision for providing accurate treatment and continuous care. It is equally crucial in the situation where patients freely visit any healthcare facility for the same medical problem, and can be referred to the appropriate hospital anywhere in the country. Without seamless and continuous capability, the patient health records cannot be accessed timely, accurately and completely. Patients may have to perform repetitive tests and exams even though they may have historically suffered from the same disease. This paper proposes flexible front-end framework to upkeep a patientpsilas health records continuously and seamlessly using portable devices such as laptops and mobile phones and the Global System for Mobile and Short Message Service.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131091788","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: 10
Wireless mesh networks: Cross layer design challenge!! 无线网状网络:跨层设计挑战!!
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603957
N. M. Salleh, M. Muhammad, M. S. Zakaria, V. R. Gannapathy, M. K. Suaidi, I.M. Ibrahim, M. Abdulaziz, M. S. Johar, M.R. Ahmad
{"title":"Wireless mesh networks: Cross layer design challenge!!","authors":"N. M. Salleh, M. Muhammad, M. S. Zakaria, V. R. Gannapathy, M. K. Suaidi, I.M. Ibrahim, M. Abdulaziz, M. S. Johar, M.R. Ahmad","doi":"10.1109/APACE.2007.4603957","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603957","url":null,"abstract":"Recently, wireless mesh networks as a promising newcomer in wireless access technology, has caught the attention of networking industries. These networks are envisioned to support the wired backbone with a wireless backbone for providing internet connectivity to residential areas and office. WMNs have the potential to eliminate many of disadvantages by offering low-cost, wireless broadband Internet access both for fixed and mobile users. Cross-layer design have risks due to loss of protocol layer abstraction, incompatibility with existing protocols, unforeseen impact on the future design of the network, and difficult in maintenance and management. In order to improve protocol efficiency, cross layer design becomes indispensable. This article highlights some of the past achievement and promising research avenues for an important topic in the creation of future wireless mesh networks. This article also address the issue of cross layer networking in the physical layer, network layer and transport layer.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"37 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132575728","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 analysis of E-plane filters with loaded resonators with mode matching method 负载谐振腔e平面滤波器的模式匹配分析
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603889
M. Sabahi, N. Komjani
{"title":"The analysis of E-plane filters with loaded resonators with mode matching method","authors":"M. Sabahi, N. Komjani","doi":"10.1109/APACE.2007.4603889","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603889","url":null,"abstract":"This paper presents the analysis of an E-plane filter with loaded resonators. Using these structures, not only solves the problem of excessive length of conventional E-plane filters, but also leads to a great improvement in rejection of upper stop band. This method has a high accuracy in wide frequency range. In order to demonstrate the validity of this method, the results of construction and simulation are compared; and this comparison has a good compatibility.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"311 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132762065","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
Radiated emission and conducted emission performance for ADSL modem under variable earth resistance values condition 变地电阻值条件下ADSL调制解调器的辐射发射和传导发射性能
2007 Asia-Pacific Conference on Applied Electromagnetics Pub Date : 2007-12-01 DOI: 10.1109/APACE.2007.4603852
A. Abidin, W. Abdullah, A. Ramli
{"title":"Radiated emission and conducted emission performance for ADSL modem under variable earth resistance values condition","authors":"A. Abidin, W. Abdullah, A. Ramli","doi":"10.1109/APACE.2007.4603852","DOIUrl":"https://doi.org/10.1109/APACE.2007.4603852","url":null,"abstract":"The objective of this paper is to study the effect of earth resistance value toward radiated emission and conducted emission performance. The relation will be found if the noise of the equipment is dependent on the earth grounding of the system. The optimum earth resistance value will be identified in order to reduce the radiated emission and conducted emission noise level. This paper consists of experimental set up for common operational ground on both testing. Later the discussion and analysis will be done from a set of data obtained from multi earth resistance values.","PeriodicalId":356424,"journal":{"name":"2007 Asia-Pacific Conference on Applied Electromagnetics","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128893470","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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