Zobrazeno 1 - 10
of 29
pro vyhledávání: '"M. D. Tkach"'
Autor:
M. D. Tkach, P. O. Savenko
Publikováno v:
Journal of Mathematical Sciences. 243:11-33
We continue our investigation of the nonuniqueness of solutions in the problems of synthesis of radiating systems with flat apertures depending on two parameters characterizing the size of the aperture and the solid angle in which the required amplit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0624692bb9b313b3d6337a153f23354
https://doi.org/10.1007/s10958-019-04522-4
https://doi.org/10.1007/s10958-019-04522-4
Autor:
P. O. Savenko, M. D. Tkach
Publikováno v:
2017 XXIInd International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED).
There is continued study of a problem of non- unique solutions in synthesis problems of the radiating systems with a plane aperture depending on values of two parameters characterizing the size of aperture and solid angle where the required amplitude
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60808ec9d5d7e149531db9b247426aa7
https://doi.org/10.1109/diped.2017.8100609
https://doi.org/10.1109/diped.2017.8100609
Numerical solution of nonlinear spectral problems in syhthesis theory of antennas with flat aperture
Autor:
M. D. Tkach, P. O. Savenko
Publikováno v:
2017 XI International Conference on Antenna Theory and Techniques (ICATT).
Numerical method for solving the nonlinear two-parameter spectral problems arising in nonlinear synthesis theory of antennas with a flat radiating aperture is considered. The numerical algorithms to find the connected components of the spectrum of li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e04a9c64f0a2374591897e78318a7087
https://doi.org/10.1109/icatt.2017.7972590
https://doi.org/10.1109/icatt.2017.7972590
Publikováno v:
Open Journal of Antennas and Propagation. :23-34
A variational formulation of the synthesis problem for plane radiating systems according to the prescribed power directivity pattern (DP) is considered. The function representing the mean-square deviation of the prescribed and synthesized power DPs a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e7b01fc9059ef1985c9e683ddfaecba
https://doi.org/10.4236/ojapr.2013.12006
https://doi.org/10.4236/ojapr.2013.12006
Autor:
M. D. Tkach, P. O. Savenko
Publikováno v:
2016 XXIst International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED).
A synthesis problem of the radiating system with flat aperture by given requirements to the amplitude directivity pattern is considered. Nonuniqueness and branching of solutions depending on two real parameters and the properties of a given amplitude
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89b016f62829736d09be19452e526e69
https://doi.org/10.1109/diped.2016.7772244
https://doi.org/10.1109/diped.2016.7772244
Publikováno v:
Journal of Mathematical Sciences. 180:51-67
We investigate the branching of solutions of a Hammerstein-type nonlinear two-dimensional integral equation that arises in the problems of mean-square approximation of a real finite nonnegative function of two variables by the modulus of double Fouri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c4ef34739597f19daace9d27d070346
https://doi.org/10.1007/s10958-011-0628-8
https://doi.org/10.1007/s10958-011-0628-8
Autor:
M. D. Tkach, P. O. Savenko
Publikováno v:
Applied Mathematics. :1076-1090
A nonlinear problem of mean-square approximation of a real nonnegative continuous function with respect to two variables by the modulus of double Fourier integral dependent on two real parameters with use of the smoothing functional is studied. Findi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed0fbcf62628d8986477dbb9a9936fc8
https://doi.org/10.4236/am.2011.29149
https://doi.org/10.4236/am.2011.29149
Publikováno v:
Journal of Mathematical Sciences. 167:89-95
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5754b4b5b84d19f32ab627df96ec6256
https://doi.org/10.1007/s10958-010-9904-2
https://doi.org/10.1007/s10958-010-9904-2
Publikováno v:
Journal of Mathematical Sciences. 160:343-356
We study the nonlinear problem of mean-square approximation of a real finite nonnegative continuous function of two variables by the modulus of a double Fourier integral depending on two parameters. The solution of this problem is reduced to the solu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e9e7bec5a8c4318f11d3c9a38145551
https://doi.org/10.1007/s10958-009-9502-3
https://doi.org/10.1007/s10958-009-9502-3
Publikováno v:
2014 XIXth International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED).
Numerical method for solving the nonlinear three-parametric spectral problems arising, in particular, in the nonlinear antenna synthesis theory with a flat radiating aperture is considered. Numerical algorithms for finding the connected components of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7d9f198bc0593333cf0f1c85801be54
https://doi.org/10.1109/diped.2014.6958351
https://doi.org/10.1109/diped.2014.6958351