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Proceedings of the International Conference Days on Diffraction 2013最新文献

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Peculiar solutions of Maxwell equations 麦克斯韦方程的奇异解
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712809
I. Krasnov
{"title":"Peculiar solutions of Maxwell equations","authors":"I. Krasnov","doi":"10.1109/DD.2013.6712809","DOIUrl":"https://doi.org/10.1109/DD.2013.6712809","url":null,"abstract":"Peculiar solutions examined herein are characterized by the fact that vectors corresponding to them and describing electromagnetic field are equal to zero in free space points, i.e. beyond restricted area V, occupied with a substance, at the same time electromagnetic potentials of the field are different from zero within the whole space. The paper demonstrates that Maxwell equation solutions will be peculiar if electric current density j, polarization P and magnetization J considered as electromagnetic field sources represent gradients of smooth finite functions in V domain, and also that variation of sources values in time instantly transferred to the field vectors, without delaying.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116202592","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 ray mode parabolic equation for shallow water acoustics propagation problems 浅水声学传播问题的射线型抛物方程
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712819
M. Trofimov, A. Zakharenko
{"title":"A ray mode parabolic equation for shallow water acoustics propagation problems","authors":"M. Trofimov, A. Zakharenko","doi":"10.1109/DD.2013.6712819","DOIUrl":"https://doi.org/10.1109/DD.2013.6712819","url":null,"abstract":"Ray mode parabolic equations which are suitable for shallow water acoustics propagation problems are derived by the multiple-scale method.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"190 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123012879","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
Electromagnetic fields formed by ionization of the environment by hard nuclear radiation 强核辐射使环境电离而形成的电磁场
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712821
F. Valiev
{"title":"Electromagnetic fields formed by ionization of the environment by hard nuclear radiation","authors":"F. Valiev","doi":"10.1109/DD.2013.6712821","DOIUrl":"https://doi.org/10.1109/DD.2013.6712821","url":null,"abstract":"The calculation method is presented of the electromagnetic fields distribution formed by the gamma quanta passing through the medium. It takes into account combined contribution of the separate electrons to the resulting field.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131322099","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 new modified kernels and weight functions in the generalized Kravchenko-Kotelnikov sampling theorem 广义Kravchenko-Kotelnikov抽样定理中新的修正核和权函数
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712810
V. Kravchenko, D. Churikov
{"title":"The new modified kernels and weight functions in the generalized Kravchenko-Kotelnikov sampling theorem","authors":"V. Kravchenko, D. Churikov","doi":"10.1109/DD.2013.6712810","DOIUrl":"https://doi.org/10.1109/DD.2013.6712810","url":null,"abstract":"The report consists of two parts. In the first part the new designs of kernels of the generalized sampling series are proposed. This approach ensures high interpolation properties and good time-and-frequency localization. In the second part the weight functions for improvement of convergence of the generalized sampling series are suggested.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133078222","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
Symmetric polynomials in the transfer matrix scaling 对称多项式在传递矩阵中的缩放
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712796
Y. Belyayev
{"title":"Symmetric polynomials in the transfer matrix scaling","authors":"Y. Belyayev","doi":"10.1109/DD.2013.6712796","DOIUrl":"https://doi.org/10.1109/DD.2013.6712796","url":null,"abstract":"The new method of the matrix exponential exp (Wz) computation is based on the use of symmetric polynomials of n-th order in combination with scaling matrix W. Calculation algorithm uses a new type of recurrence relations, which were obtained for symmetric polynomials. Evaluation of the scaling parameter, which provides a reliable calculation of the matrix exponential with admissible truncation error, is made. Method of minimizing roundoff errors in the calculation of high powers of matrices is suggested.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116387110","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
Continuous wavelet transform application in diagnostics of piezoelectric wafer active sensors 连续小波变换在压电片有源传感器诊断中的应用
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712804
M. Golub, A. Shpak, I. Buethe, C. Fritzen, H. Jung, J. Moll
{"title":"Continuous wavelet transform application in diagnostics of piezoelectric wafer active sensors","authors":"M. Golub, A. Shpak, I. Buethe, C. Fritzen, H. Jung, J. Moll","doi":"10.1109/DD.2013.6712804","DOIUrl":"https://doi.org/10.1109/DD.2013.6712804","url":null,"abstract":"Piezoelectric wafer active sensors (PWAS) are employed in a variety of structural health monitoring (SHM) applications. Failure of these might lead to significant problems, so monitoring of actuators themselves is necessary. While totally debonded PWAS can be detected easily, small debondings could still occur. In that case PWAS is still capable of generating ultrasound waves, but might lead to false diagnostic results since the underlying baseline measurements are not valid anymore. Therefore an experimental setup with a specimen of 16 partially debonded actuators has been used. Phenomena accompanying wave excitation by debonded actuators are examined. Collected knowledge is analyzed in order to identify existence, location and shape of a debonded part of the actuator. For a sufficiently debonded PWAS some interesting abnormalities have been detected for high frequencies. Wavelet analysis has revealed that the velocities of the motion and carrier frequencies depend on the shape of the debonded part of the PWAS.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129398024","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
Early stage dynamics modeling of the feed-forward loops with miRNA miRNA前馈回路的早期动力学建模
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712801
M. Duk, A. Samsonov, M. Samsonova
{"title":"Early stage dynamics modeling of the feed-forward loops with miRNA","authors":"M. Duk, A. Samsonov, M. Samsonova","doi":"10.1109/DD.2013.6712801","DOIUrl":"https://doi.org/10.1109/DD.2013.6712801","url":null,"abstract":"MicroRNAs or miRNAs are small non-coding RNA molecules, containing about 20 nucleotides only, but they are very important in regulatory gene networks. miRNAs repress target protein production at post-transcriptional level, but real mechanism of regulation is not absolutely clear. Moreover, the models may show the same steady state concentrations of components for different biological cases, and only study the early stage dynamics can help in choosing the most appropriate model.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114253029","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
Hyperbolic Hamiltonian flows and the semi-classical Poincaré map 双曲哈密顿流和半经典庞加莱图
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712803
H. Fadhlaoui, H. Louati, M. Rouleux
{"title":"Hyperbolic Hamiltonian flows and the semi-classical Poincaré map","authors":"H. Fadhlaoui, H. Louati, M. Rouleux","doi":"10.1109/DD.2013.6712803","DOIUrl":"https://doi.org/10.1109/DD.2013.6712803","url":null,"abstract":"We consider semi-excited resonances created by a periodic orbit of hyperbolic type for Schrödinger like operators with a small “Planck constant”. They are defined within an analytic framework based on the semi-classical quantization of Poincaré map in action-angle variables.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115797297","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
Asymptotic solution for the problem of acoustic waves propagation in a penetrable truncated wedge 声波在可穿透的截形楔体中传播问题的渐近解
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712813
P. Petrov
{"title":"Asymptotic solution for the problem of acoustic waves propagation in a penetrable truncated wedge","authors":"P. Petrov","doi":"10.1109/DD.2013.6712813","DOIUrl":"https://doi.org/10.1109/DD.2013.6712813","url":null,"abstract":"The problem of sound propagation in a penetrable truncated wedge is considered. Approximate analytical solution is obtained by means of mode parabolic equations method. This solution describes adiabatic sound propagation in the ocean with mildly sloping bottom in the direction across the slope (the simplest environment where 3D propagation effects are essential).","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124729031","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
Practical antenna application of extremely anisotropic materials: Reality or fiction? 极各向异性材料的实际天线应用:现实还是虚构?
Proceedings of the International Conference Days on Diffraction 2013 Pub Date : 2013-05-27 DOI: 10.1109/DD.2013.6712800
R. Dubrovka, S. Martynyuk, P. Belov
{"title":"Practical antenna application of extremely anisotropic materials: Reality or fiction?","authors":"R. Dubrovka, S. Martynyuk, P. Belov","doi":"10.1109/DD.2013.6712800","DOIUrl":"https://doi.org/10.1109/DD.2013.6712800","url":null,"abstract":"The paper presents an insight into recent authors' attempts to develop practical antenna applications based on extremely anisotropic materials. It summarises theoretical, numerical and experimental results which have been obtained during the last 3-4 years of research. Wire media has been exploited as a sample of extremely anisotropic material. Therefore, authors attempted to apply unique features of the medium in several antenna setups. More complex antenna structures have been thoroughly experimentally investigated and some preliminary conclusions have been derived.","PeriodicalId":340014,"journal":{"name":"Proceedings of the International Conference Days on Diffraction 2013","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134149298","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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