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2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory最新文献

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Inverse problem solving for layered dielectric structure using Newton-Kantorovich iterative scheme with increased accuracy 利用牛顿-康托洛维奇迭代格式求解层状介质结构逆问题，提高了求解精度
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI: 10.1109/DIPED.2009.5307276
S. Alexin, O. Drobakhin
{"title":"Inverse problem solving for layered dielectric structure using Newton-Kantorovich iterative scheme with increased accuracy","authors":"S. Alexin, O. Drobakhin","doi":"10.1109/DIPED.2009.5307276","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5307276","url":null,"abstract":"A new approach to permittivity profile reconstruction based on Newton-Kantorovich iterative scheme is considered. The novelty of the investigation is concerned with a new treatment with the problem of reflecting interfaces localization. The problem is ruled by a technique composing parametrical spectral analysis and approximate reconstruction by the scheme using exponential basis for the purpose of permittivity profile representation. Improvement of reconstruction accuracy is shown numerically.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133074734","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 array radiator with digital beamforming for radio monitoring applications 无线电监测用数字波束形成阵列辐射器的设计
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI: 10.1109/DIPED.2009.5306960
A. Kasyanov, M. S. Kitaiskiy
{"title":"Design of array radiator with digital beamforming for radio monitoring applications","authors":"A. Kasyanov, M. S. Kitaiskiy","doi":"10.1109/DIPED.2009.5306960","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5306960","url":null,"abstract":"The description of designing the asymmetrical electric dipole which can work at UWB subject to limitations on weight and radiator dimensions is presented in this paper. This dipole is an antenna array element with digital beamforming of radiomonitoring system. The results of experimental researches are resulted. Also the comparative analysis of constructive realisation of radiator and its mathematical model is carrying out.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"531 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114095925","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
Phased array of coaxial-sector waveguides 同轴扇形波导相控阵
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI: 10.1109/DIPED.2009.5306955
A. Gribovskiy, J. V. Mangushina
{"title":"Phased array of coaxial-sector waveguides","authors":"A. Gribovskiy, J. V. Mangushina","doi":"10.1109/DIPED.2009.5306955","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5306955","url":null,"abstract":"Falling the plane linearly polarized wave on an array from coaxial-sector waveguides is considered. Elements of the generalized scattering matrix are received. Dependences of the module of amplitude of the dominant mode in a waveguide from wave length and a hade of a flat wave are investigated.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131224100","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
Sensor's arbitrarily location mapping to the computer in high resolution image reconstruction experimental devices 将传感器的任意位置映射到计算机中进行高分辨率图像重建的实验装置
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI: 10.1109/DIPED.2009.5307271
G. Saparishvili, D. Kakulia, V. Tabatadze, M. Prishvin, R. Zaridze, N. Uzunoglou
{"title":"Sensor's arbitrarily location mapping to the computer in high resolution image reconstruction experimental devices","authors":"G. Saparishvili, D. Kakulia, V. Tabatadze, M. Prishvin, R. Zaridze, N. Uzunoglou","doi":"10.1109/DIPED.2009.5307271","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5307271","url":null,"abstract":"The primary objective of this paper is consideration of the several methods, permitting quick and easy mapping of the sensors position during near field measurements. Measured field's data (amplitudes and phase) in high resolution image reconstruction experimental devices must be mapped in the computer Cursor Position (CUP). The main goal is construction of a high-speed device for measurement and recording to the amplitude and phase information of the reflected electromagnetic wave over a two-dimensional surface appropriate to the exact space coordinates.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126882013","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
Relationship between temperature rises with SAR in a head tissue in bandwidth exposure 带宽暴露下头部组织温度升高与SAR的关系
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-10-30 DOI: 10.1109/DIPED.2009.5307240
L. Bibilashvili, M. Prishvin, R. Zaridze, M. R. Islam, M. Ali
{"title":"Relationship between temperature rises with SAR in a head tissue in bandwidth exposure","authors":"L. Bibilashvili, M. Prishvin, R. Zaridze, M. R. Islam, M. Ali","doi":"10.1109/DIPED.2009.5307240","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5307240","url":null,"abstract":"In this paper we suppose to discuss recent results of study influence of Electromagnetic (EM) exposure of mobile phones radiation on the user. This is the part of topic: “Developing a Thermal Exemptions Rationale for Low-Power Transmitters”. Particularly, we present results of computer simulation of the users head exposure via radiation of electrically small and resonant length antennas. Compare and contrast threshold power with temperature increase in tissue and SAR. Investigate the relationship between temperature rise with SAR and between temperature rise and bandwidth/efficiency.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"131 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114059332","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 three-mirror selective resonator with diffraction coupling-out of radiation 具有衍射耦合辐射的三镜选择性谐振腔
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-09-01 DOI: 10.1109/DIPED.2009.5306972
S. N. Vlasov, E. Koposova
{"title":"The three-mirror selective resonator with diffraction coupling-out of radiation","authors":"S. N. Vlasov, E. Koposova","doi":"10.1109/DIPED.2009.5306972","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5306972","url":null,"abstract":"The three-mirror open resonator with two inclined plates (dividing and coupling) is theoretically considered. The theory is based on the numerical solution of the integrated equations with the account of ohmic and diffraction losses owing to limitation of the sizes of mirrors, is constructed. The possibility of maintenance of longitudinal modes high selectivity with effective output as a wave beam and exceeding of useful radiation over intrinsic losses is shown.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122528713","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
Low-frequency electromagnetic scattering on the circular crack in a conductive body 导电体圆形裂纹上的低频电磁散射
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-09-01 DOI: 10.1109/DIPED.2009.5306977
Z. Nazarchuk, Y. Kulynych, O. Koval
{"title":"Low-frequency electromagnetic scattering on the circular crack in a conductive body","authors":"Z. Nazarchuk, Y. Kulynych, O. Koval","doi":"10.1109/DIPED.2009.5306977","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5306977","url":null,"abstract":"Modelling the crack as mathematical surface on which specified some distribution of electrical dipoles and using the method of small parameter the problem of scattering of the electromagnetic field on the circular crack adducted to system of the hypersingular integral equations of the Newtonian potential type. For the solution the method of orthogonal polynomials of two variables was proposed. Demonstrated that value of equivalent moment of dipole of the crack proportionate to normal component of the external low-frequency electric field.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114210206","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
Sound car radiation from city crossroad 城市十字路口的汽车声辐射
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-09-01 DOI: 10.1109/DIPED.2009.5307268
O. Piddubniak, N. Piddubniak, Lukasz Kurek, Magdalena Dujka
{"title":"Sound car radiation from city crossroad","authors":"O. Piddubniak, N. Piddubniak, Lukasz Kurek, Magdalena Dujka","doi":"10.1109/DIPED.2009.5307268","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5307268","url":null,"abstract":"The noise propagation from moving sources on city controlled intersection with taking into account the wind velocity and direction of is investigated. The acoustic field is described as the waves superposition from many point sources, moving in two one-to-one perpendicular directions. Numerical results are obtained for acoustic pressure and sound intensity generated, in particular, on crossroad near St. Family Hospital in Lodz.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115565374","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
Nonlinear spectral problem in synthesis problems of plane antenna arrays 平面天线阵列综合问题中的非线性频谱问题
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-09-01 DOI: 10.1109/DIPED.2009.5306944
L. Protsakh, P. Savenko, M. Tkach
{"title":"Nonlinear spectral problem in synthesis problems of plane antenna arrays","authors":"L. Protsakh, P. Savenko, M. Tkach","doi":"10.1109/DIPED.2009.5306944","DOIUrl":"https://doi.org/10.1109/DIPED.2009.5306944","url":null,"abstract":"A nonlinear synthesis problem of plane equidistant antennas array by the given requirements to amplitude directivity pattern is investigated. For such problems non-uniqueness and branching of the solutions dependent on physical parameters of array is characteristic. Finding the set of branching points of the solutions is a nonlinear two-parametric spectral problem. The method of finding the branching lines of the solutions and numerical algorithms of solving the optimal synthesized amplitude directivity patterns is stated.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134415802","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
Exotic hypotheses 异国情调的假设
2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2009-09-01 DOI: 10.1109/diped.2009.5307239
B. Katsenelenbaum
{"title":"Exotic hypotheses","authors":"B. Katsenelenbaum","doi":"10.1109/diped.2009.5307239","DOIUrl":"https://doi.org/10.1109/diped.2009.5307239","url":null,"abstract":"Several unproved hypotheses are formulated and discussed.","PeriodicalId":404875,"journal":{"name":"2009 International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115707568","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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