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engineering, electrical & electronic (17) 17
waveguides (12) 12
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IEEE Transactions on Geoscience and Remote Sensing, ISSN 0196-2892, 11/2019, pp. 1 - 16
Permittivity is a useful tool to characterize the composition and quality of many geomaterials. In general, the non-resonant permittivity measurement methods... 
Circular corrugated waveguides | microwave measurements | permittivity | dielectric-loaded waveguides | oil spill | crude oil | kerogen | coaxial cavity | pyrite
Journal Article
Journal of Electromagnetic Waves and Applications, ISSN 0920-5071, 01/2019, Volume 33, Issue 2, pp. 204 - 214
A circular waveguide with chiral dielectric lining was analyzed for hybrid mode dispersion relation. In chiral dielectric lining region, the different radial... 
Broadbanding technique | gyro-TWT interaction structure | dispersion shaping | dielectric loaded circular waveguide | wideband fast-wave structure | ENERGY | PHYSICS, APPLIED | DISK | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 11/2018, Volume 909, pp. 185 - 192
We investigate through beam dynamics simulations the potential of a hybrid layout mixing RF and THz technologies to be a compact X-ray source based on Inverse... 
Beam dynamics | THz acceleration | Dielectric-loaded circular waveguide | Compact attosecond X-ray source | S-band RF-gun | INSTRUMENTS & INSTRUMENTATION | NUCLEAR SCIENCE & TECHNOLOGY | PHYSICS, NUCLEAR | GENERATION | PHYSICS, PARTICLES & FIELDS | Physics - Accelerator Physics
Journal Article
Journal of Electromagnetic Waves and Applications, ISSN 0920-5071, 11/2018, Volume 32, Issue 16, pp. 2067 - 2077
Loading the circular waveguide interaction structure of a gyro-traveling-wave tube (gyro-TWT) with chiral material was proposed to show the possibility of... 
Millimeter-wave tube | gyro-traveling-wave tube | fast-wave structure | dielectric loaded structure | ENERGY | PHYSICS, APPLIED | PARAMETERS | GUIDE | METAL DISCS | ENGINEERING, ELECTRICAL & ELECTRONIC | TWT | BEAM | AMPLIFIER | MEDIA | MAGNETIC-FIELD
Journal Article
AEUE - International Journal of Electronics and Communications, ISSN 1434-8411, 03/2018, Volume 86, pp. 17 - 24
In this paper a new structure based on substrate integrated waveguide (SIW), called incorporated substrate integrated waveguide (ISIW), has been used to... 
SIW | Dielectric loaded waveguide | Transition circuit | H-plane filter | DESIGN | EFFICIENT ANALYSIS | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT), 06/2016, Volume 1, pp. 498 - 500
In this paper, a novel CP circular waveguide antenna array is proposed. The dielectric loaded antenna element is fed by a microstrip structure. Square and... 
Phased arrays | Microstrip antenna arrays | miniaturization | Dielectrics | Loaded antennas | dielectric loaded | antenna array | Antenna radiation patterns
Conference Proceeding
2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW), 06/2016, pp. 1 - 4
The representations for asymmetrical modes and characteristic equation for the dielectric-loaded circular waveguide are proposed. They have no singularities at... 
Couplings | dielectric-loaded circular waveguide | Dielectrics | Planar waveguides | Mathematical model | Feeds | Loaded waveguides | characteristic equation | Circular waveguides | Asymmetry | Singularities | Mathematical analysis | Submillimeter waves | Representations | Microwaves
Conference Proceeding
Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015, 08/2015, pp. 1 - 2
The design of a W-band gyrotron-travelling-wave tube (gyro-TWT) operating in the circular TE sub(01) mode at fundamental cyclotron harmonic are presented. A... 
millimeter wave | W-Band | Dielectric loaded waveguides | gyro-TWT | Electric potential | Noise levels | Conferences | Simulation | Circuits | Voltage | Electronics | Gain
Conference Proceeding
IEEE Transactions on Dielectrics and Electrical Insulation, ISSN 1070-9878, 08/2015, Volume 22, Issue 4, pp. 2057 - 2063
In this paper, a compact, high efficiency TM 01 to TE 11 mode converter is presented. In the proposed structure, dielectric material is loaded below a tapered... 
pulse power system | Dielectric materials | Loading | Dielectric loaded waveguides | Bandwidth | Conductors | Dielectrics | Mathematical model | Electric fields | microwave propagation | PHYSICS, APPLIED | BACKWARD-WAVE OSCILLATOR | HIGH-POWER MICROWAVES | ANTENNAS | GUIDE | ENGINEERING, ELECTRICAL & ELECTRONIC | Efficiency | Solar energy
Journal Article
Applied Mechanics and Materials, ISSN 1660-9336, 08/2013, Volume 380-384, pp. 3461 - 3464
In this paper, a broadband septum dual circular polarized antenna with dielectric loaded is designed. In order to expand the bandwidth, the antenna uses the... 
Broadband | Dual circular polarized antenna | Dielectric loaded
Journal Article
2013 IEEE 14th International Vacuum Electronics Conference (IVEC), 05/2013, pp. 1 - 2
The experimental study of a Q-band gyrotron-travelling-wave tube (gyro-TWT) amplifier operating in the circular TE 01 mode at fundamental cyclotron harmonic is... 
Power measurement | millimeter wave | Q-Band | Dielectric loaded waveguides | Gyrotrons | Bandwidth | gyrotron | Dielectrics | Frequency measurement | Circuit stability | Gain
Conference Proceeding
Mathematical and Computer Modelling, ISSN 0895-7177, 04/2013, Volume 57, Issue 7-8, pp. 1832 - 1839
Traditionally metallic waveguide filters have been used commercially for microwave applications. These filters have very reduced insertion losses within their... 
Dielectric loaded waveguides | Mode matching methods | Rectangular waveguides | Communications | Bessel and Hankel functions | Applications of the fast Fourier transform | Microwave filters | COMPUTER SCIENCE, SOFTWARE ENGINEERING | MATHEMATICS, APPLIED | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | Waveguides | Methods
Journal Article
2012 International Conference on Mathematical Methods in Electromagnetic Theory, ISSN 2161-1734, 08/2012, pp. 275 - 278
The general formulae and algorithms for direct scattering analysis of inhomogeneous lossy dielectric objects, arbitrarily loaded inside a circular waveguide is... 
Conference Proceeding
IVEC 2012, 04/2012, pp. 521 - 522
The design of a Q-band gyrotron-travelling-wave tube (gyro-TWT) operating in the circular TE01 mode at fundamental cyclotron harmonic are presented. A... 
millimeter wave | Q-Band | Dielectric loaded waveguides | Gyrotrons | gyro-TWT | Bandwidth | Electromagnetic waveguides | Couplers | Dielectrics | Electron tubes | Gain
Conference Proceeding
IEEE Transactions on Plasma Science, ISSN 0093-3813, 08/2011, Volume 39, Issue 8, pp. 1665 - 1672
Journal Article
Procedia Environmental Sciences, ISSN 1878-0296, 2011, Volume 10, pp. 112 - 116
A 8 mm passive focal plane image system which could be applied for airplane ils was introduced in this paper. System parameters were designed for this special... 
focal plane system | radiometer | dielectric-loaded antenna | passive MMW | Dielectric-loaded antenna | Focal plane system | Passive MMW | Radiometer
Journal Article
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