### Introduction

### Table of Contents

#### Invited papers

Measurements of non-linear sub-THz quasi-optical devices | ||

Rostyslav F. Dubrovka, Oleksandr Ju. Sushko, Melusine Pigeon, Peter Alizadeh, Andre Sarker Andy, Robert S. Donnan, Clive G. Parini, James W. E. Kneller, Theo Kreouzis | 9-13 |

Two approaches to solving the antenna synthesis problems according to the amplitude radiation pattern | ||

Mykhaylo I. Andriychuk | 14-19 |

Ultrawideband tapered slot, waveguide and dipole antenna arrays | ||

Fedor F. Dubrovka, Sergiy Ye. Martyniuk, Dmytro O. Vasylenko, O. S. Postulga | 20-25 |

Introducing quasi-optical terahertz circular dichroism spectroscopy | ||

Junyi Qui, Yang Zeng, Richard Pickersgill, Robert S. Donnan, Oleksandr Ju. Sushko, Bin Yang | 26-29 |

Recent advances in computational electromagnetics for microwaves in IRE NASU | ||

Anatoliy A. Kirilenko, Sergiy O. Steshenko, Lyudmila P. Mospan, Dmitry Yu. Kulik, Andrey O. Perov | 30-35 |

Antenna pattern measurements: UWB impulse and multifrequency signals comparison | ||

Genadiy P. Pochanin, O. A. Orlenko, V. P. Ruban, V. G. Korzh, M. V. Andreev, Oleg O. Drobakhin | 36-39 |

Tuning range of microwave devices with micromechanical control | ||

Victor Kazmirenko, Yuriy Prokopenko, Yuriy Poplavko | 40-45 |

Millimeter-range radiometric system for perspective problems of meteorology and telecommunication | ||

Vladimir V. Pavlikov, N. V. Ruzhentsev, A. D. Sobkolov, A. I. Tsopa, D. S. Sal’nikov | 46-51 |

Adaptive methods of control for signals in the digital channels of the troposphere communication | ||

Volodymyr I. Rudakov | 52-57 |

Achivements in antennas research at Lviv Polytechnic National University | ||

Viktor V. Hoblyk, V. A. Pavlysh, Nadiya M. Hoblyk, Eugenia I. Yakovenko, O. M. Liske, I. V. Nychai, D. V. Nevinskyi, D. A. Nikolayev, I. Yu. Teplakov | 58-63 |

Radome integrated slotted waveguide antennas | ||

S. S. Sekretarov, Dmitry M. Vavriv | 64-67 |

Modeling and optimization of microwave heating in cylindrical volumes | ||

Gennadiy A. Morozov, Vladimir I. Anfinogentov, Oleg G. Morozov, Sergey V. Smirnov, Svetlana R. Ganieva | 68-73 |

Nonlinear composite media on opal matrixes and metallocarbon nanostructures | ||

Gennadiy P. Sinyavsky, Larissa V. Cherckesova, Dmitry A. Bezuglov, Georgy N. Shalamov | 74-80 |

X-ray optics: Transmission diffractive patterns of large microchannel plates | ||

Aleksander M. Lerer, M. I. Mazuritskiy | 81-83 |

#### General antenna theory, propagation, numerical and analytical methods

Numerical solution of nonlinear spectral problems in syhthesis theory of antennas with flat aperture | ||

Petro O. Savenko, Myroslava D. Tkach | 84-87 |

Near-field calculation for reflector antenna with shape of asymmetrical cutting from a paraboloid of revolution | ||

Sergey V. Nechitaylo, Oleg I. Sukharevsky, Vitaly A. Vasilets | 88-91 |

Radiation fields of a radial dipole located on a metal sphere coated by a layer of metamaterial | ||

Yu. M. Penkin, Victor A. Katrich, Mikhail V. Nesterenko, Sergey L. Berdnik, Svetlana V. Pshenichnaya | 92-95 |

Electromagnetic near-field of circumferential slot cut in coaxial line shield | ||

Valentina A. Lyashchenko, N. V. Medvedev, A. V. Olefir | 96-99 |

Electromagnetic fields in the near-zone of aperture antennas with round opening | ||

Nikolay N. Gorobets, Ye. Ye. Ovsyannikova | 100-103 |

Directional properties of linear and V-antennas | ||

Boris M. Levin | 104-109 |

Director antenna with in-phase currents | ||

Boris M. Levin | 110-113 |

Log-periodic antennas with in-phase currents | ||

Boris M. Levin | 114-117 |

Artificial neural networks in time domain electromagnetics | ||

Oleksandr M. Dumin, S. Khmara, D. V. Shyrokorad | 118-121 |

Airy pulse transformation on time-spatial jumps of refractive index | ||

Alexandr G. Nerukh, O. V. Kuryzheva | 122-124 |

Excitation of the nonmagnetic isotropic media with linear dependence characteristic impedance along the direction of plane wave propagation | ||

O. Sh. Dautov | 125-127 |

Analysis of axially symmetric diffraction grating | ||

Maxim N. Legenkiy | 128-131 |

Performance evaluation of an improved ITU-R rain attenuation prediction model over Malaysia equatorial region | ||

Folasade Abiola Semire, Rosmiwati Mohd-Mokhtar, Isaac Akinlabi Akanbi | 132-134 |

Active and reactive energy of electromagnetic waves | ||

Viktor I. Naidenko | 135-139 |

#### Antenna arrays, adaptive and smart antennas

Odd symmetry of weights vector in linearly-constrained adaptive arrays with desired signal | ||

Victor I. Djigan | 140-144 |

Analysis and optimization of the decoupling in antenna systems consisting of antenna arrays | ||

V. N. Lavrushev, A. I. Murtazina | 145-147 |

Frequency and pattern reconfigurable antenna array based on liquid crystal technology | ||

Yi-Zhe Zhao, An-Yong Qing | 148-150 |

Radiation, scanning and matching characteristics of the new design of phased antenna array of printed bow-tie dipoles | ||

Fedor F. Dubrovka, Oleg E. Vydalko, Volodymyr I. Gouz | 151-154 |

Cylindrical antenna array development and measurements for DOA-estimation applications | ||

Yuri B. Nechaev, Ilya V. Peshkov, N. A. Fortunova | 155-158 |

Random incoherent antenna arrays focused in the near field zone | ||

Denis A. Vedenkin, Aydar R. Nasybullin, Yuri E. Sedelnikov | 159-161 |

Mutual coupling influence on parameters of arc E-plane antenna array of vibrator radiators | ||

Siarhei Zavadski | 162-164 |

Radiation pattern of linear antenna array with control of directivity and supper-selectivity properties | ||

V. M. Koshevyy, Anna A. Shevchenko | 165-168 |

Planar Ku band antenna for perspective telecommunication facilities | ||

Viktor I. Klassen, Evgeniy S. Oleinik, Yuri E. Sedelnikov, Mohamed Shaban | 169-170 |

W band patch antenna array for Maglev smart grid technology | ||

Alexey B. Gnilenko, Sergey V. Plaksin | 171-173 |

Evaluating the influence of intrasystem perturbations of the observations covariance matrix on the DF response of adaptive antenna array | ||

Valery V. Skachkov, Victor V. Chepkyi, Alexander N. Efymchykov, Hennadii D. Bratchenko, Vladislav I. Pavlovich | 174-179 |

Spatial distribution of the amplitude of electromagnetic waves in the near zone of linear and flat antenna arrays | ||

Nikolay N. Gorobets, A. S. Lebedev, A. A. Elizarenko | 180-182 |

Electrodynamics algorithm of calculation of horns phased antenna array | ||

V. M. Morozov, V. I. Magro, M. Hnatyuk | 183-185 |

Effect of the ground screen on sensitivity of low-frequency radio telescope array element | ||

Peter L. Tokarsky, Oleksander O. Konovalenko, Serge N. Yerin | 186-189 |

Array of the two arc monopoles on a sphere with surface impedance | ||

Viktor M. Dakhov, Sergey L. Berdnik, Natalya K. Blinova, Yu. M. Penkin | 190-193 |

Features of photonic beamformer model based on DWDM approach and fiber dispersion | ||

S. I. Ivanov, A. P. Lavrov, I. I. Saenko | 194-196 |

Choice of number, structure and placement of compensation modules in the radar with planar PAA | ||

V. P. Riabukha, David I. Lekhovytskiy, Yevhen A. Katiushyn, A. V. Semeniaka | 197-198 |

Origins of the digital antenna array theory | ||

Vadym I. Slyusar | 199-201 |

#### UWB, low-gain, communication and printed antennas

Variants of the double-frequency GPS antennas | ||

A. A. Galischuk, V. M. Maslyey, O. L. Ol’shevs’kiy, Y. D. Romanenko, V. V. Zaznobin | 202-205 |

Near field zone of the UWB bow-tie dipoles | ||

O. A. Orlenko, Liudmyla A. Varianytsia-Roshchupkina | 206-209 |

Combining electric and magnetic dipoles in the construction of antennas | ||

Victor A. Katrich, A. I. Karpov, S. A. Yarmolchuk, M. A. Syvozalizov, Ye. Antonenko | 210-212 |

Modeling of ultra-wideband antennas for multi-purpose broadband systems | ||

Sergey V. Bukharov, Vladimir D. Ryabchiy | 213-216 |

Active loop sensor for receiving pulse magnetic fields of nanosecond duration | ||

P. V. Kholod, T. N. Ogurtsova | 221-223 |

SNRs of two active antenna designs: Inverted V vs horizontal dipole | ||

Oleksander O. Konovalenko, Peter L. Tokarsky, Igor N. Bubnov, Serge N. Yerin | 224-227 |

Active antenna with switchable beams for wireless sensor networks and IoT | ||

J. M. Rigelsford, H. Hussein, Radhwan J. Alkhudhairi | 228-231 |

Large current radiator for long range GPR applications | ||

Vladimir G. Sugak, Fang Gyfang | 232-235 |

Study of perturbing factors effect on the performance data of antennas focused in the near-field zone for microwave application problems | ||

Yuriy E. Sedelnikov, Olga V. Potapova, D. V. Nikishina | 236-238 |

Using of printed antennas to evaluate the permittivity of materials | ||

Sergey V. Bukharov, Leonid A. Filins’kyy | 239-241 |

Investigation of the electrodynamic characteristics of fractal double-ring antenna | ||

Т. А. Tsaliev, Kirill V. Kutsuk | 242-245 |

Microwave irradiator in the form of a piece of rectangular waveguide with dielectric insertion and narrow slot | ||

Natalya K. Blinova, Ludmila P. Yatsuk, Andrey V. Selutin | 246-249 |

Characteristics of directivity of vibrator antennas placed parallel to flat screen | ||

A. A. Bulgakova, Nikolay N. Gorobets, Valentina A. Lyashchenko | 250-253 |

Microstrip antenna with complex configuration of radiators | ||

Leonid N. Lytvynenko, Sergey A. Pogarsky, Dmitriy V. Mayboroda, Artem V. Poznyakov | 254-256 |

Miniaturized broadband printed unidirectional antenna with parasitic slots for indoor wireless applications | ||

Ali Houssein Harmouch, Rayane Mourad | 257-260 |

Modeling microstrip antennas for UHF RFID tags | ||

Dmitry N. Borisov, Sergey A. Zuev | 261-263 |

Methods for calculating electrically small wire antennas | ||

Viktor V. Ovsyanikov, Elena R. Beznosova, Victoria А. Barma, Sergei I. Veklich | 264-266 |

Two-band circular polarization antenna for Argos-3 | ||

Alexandr A. Bezgin, Alexander A. Savochkin | 267-269 |

Optimization of circularly polarized radiation of in-phase crossed impedance dipoles with screen | ||

Alexey N. Gorobets, Nadezhda P. Yeliseyeva, Victor A. Katrich, Mikhail V. Nesterenko | 270-272 |

#### Microwave components and feeds

Compact polarization plane rotator for arbitrary angle | ||

Dmitry Yu. Kulik, Sergiy O. Steshenko, Anatoliy A. Kirilenko | 273-276 |

Novel high performance coherent dual-wideband orthomode transducer for coaxial horn feeds | ||

Fedor F. Dubrovka, S. I. Piltyay | 277-280 |

Dual band feed horn for mm-wave applications | ||

Mykola M. Lytvyn, Serhii M. Lytvyn, Oleksandr Ju. Sushko, Yuriy A. Ovsianyk | 281-283 |

High performance extended C-band 3.4–4.8 GHz dual circular polarization feed system | ||

S. I. Piltyay | 284-287 |

Use of structure symmetry for the design of passive microstrip devices | ||

Valeriy I. Oborzhytskyy, Ivan N. Prudyus | 288-290 |

Forming the sensitive area of microwave motion sensor | ||

Ivan N. Prudyus, V. G. Storozh, N.-V. I. Naida | 291-293 |

Investigation of 3D printed dielectric structure for microwave lens prototyping | ||

Grigory K. Uskov, P. A. Kretov, V. A. Stepkin, N. S. Sbitnev, A. M. Bobreshov | 294-296 |

Tunable RX filter with ferroelectric capacitors for DCS, PCS and UMTS communication systems | ||

Alexander V. Zakharov | 297-300 |

Unconventional connection of ferroelectric capacitors to resonators in tunable filters | ||

Alexander V. Zakharov | 301-304 |

Fabry-Perot resonator with evanescent coaxial-sector holes | ||

Yulia V. Antonenko, A. V. Gribovsky | 309-311 |

Bragg structures with thin lossy layers | ||

M. V. Andreev, Valentyn F. Borulko, Oleg O. Drobakhin, D. V. Sidorov | 312-314 |

Packet suppression of a leakage of microwave power from industrial heating systems via the higher modes of open waveguide ports | ||

Lyudmila P. Mospan, Anatoly A. Kirilenko | 315-317 |

Adaptive control of hybrid modes in a longitudinally magnetized gyroelectromagnetic circular waveguide | ||

Illia V. Fedorin, Vladimir R. Tuz, Volodymyr I. Fesenko | 318-320 |

Coupling of waveguide with resonator through diaphragm with slot with dielectric slab | ||

A. F. Lyakhovsky, Ludmila P. Yatsuk, A. A. Lyakhovsky | 321-324 |

Features of the dispersion characteristics of planar dielectric waveguide-grating system | ||

Anatolii V. Hnatovskyi, S. A. Provalov | 325-327 |

Helicon isolator with quarter-wave nonreciprocal transformer | ||

Vladimir S. Vountesmery, Youry V. Vountesmery | 328-331 |

Autodyne effect application for stability analysis of the steady-state mode of UHF oscillating systems | ||

G. P. Ermak, A. S. Vasiliev, V. Ya. Noskov, K. A. Ignatkov, A. P. Chupahin, S. M. Smolskiy | 332-337 |

Signal analysis of a double-diode autodyne | ||

G. P. Ermak, A. S. Vasiliev, V. Ya. Noskov, K. A. Ignatkov, A. P. Chupahin, S. M. Smolskiy | 338-342 |

Radiofrequency deterministic chaos oscillator based on a transistor structure with negative resistance. Numerical researching | ||

Andriy O. Semenov | 343-347 |

Influence of the autodyne oscillator coupling degree with antenna upon its transfer and noise characteristics | ||

G. P. Ermak, A. S. Vasiliev, V. Ya. Noskov, K. A. Ignatkov, A. P. Chupahin, S. M. Smolskiy | 348-353 |

Coaxial horn antenna and its usage perspectives in ground-penetrating radar systems | ||

Vitalyi D. Sakhatsky, Sergii Ianushkevych | 354-356 |

#### Remote sensing antennas, signal processing and communications

Equipment optimization for weather balloon and ground-based weather stations using GNSS | ||

Anatolii G. Laush | 357-359 |

Analytical description of polar coordinates of random vectors in case of arbitrary fluctuations its Cartesian coordinates | ||

Shamil M. Chabdarov, Alexey A. Korobkov | 360-363 |

Segmentation for detecting buildings in infrared space images | ||

Alexey N. Gorobets | 364-366 |

DOA estimation using beamspace root-music based estimator bank | ||

V. I. Vasylyshyn | 367-369 |

Remote sensing of plane-layered media with losses using UWB signals | ||

Dmitry O. Batrakov, Mariya S. Antyufeyeva, Alexandr V. Antyufeyev, Angelika G. Batrakova | 370-373 |

Radiophotonic method for spectrum analysis of SHF-band signals based on stimulated Mandelstam-Brillouin scattering | ||

Daniil S. Dmitriev, Oleg G. Morozov, Lutsiya M. Sarvarova, Pavel V. Gavrilov, Igor A. Makarov, Anvar A. Talipov | 374-377 |

Identification approach for determining radio signal frequency | ||

Dmytro P. Kucherov, A. L. Berezkin | 378-381 |

Radio signal distortion assessment by non directional antennas of the helicopter | ||

Vladimir A. Ivanov, Olexandr S. Zadorozhniy | 382-384 |

Method of adaptive selection of channel number in MIMO system | ||

Andrei V. Shyshatskyi, S. N. Petruk, A. G. Zhuk | 385-387 |

Experimental evaluation of the shading effect of accelerating lens in azimuth plane | ||

V. M. Astapenya, Vladimir Yu. Sokolov | 388-390 |

Combined antenna of unmanned aircraft vehicle for early warning system against dangerous wind shears | ||

Yurii N. Ulianov, Vitalii L. Misailov | 391-393 |

Quasi-optical approach to the analysis of the energy model of millimeter wave propagation and antenna characteristics | ||

Yana A. Kremenetskaya, Igor O. Liskovskiy, Elena R. Zhukova | 394-397 |

#### Measurements and applications of microwave technologies

Frequency domain measurement of permeability of M400HH ferrite rods in the VHF range | ||

T. N. Ogurtsova, P. V. Kholod, G. Klochko, Genadiy P. Pochanin, Sergey L. Berdnik, Oleksandr M. Dumin | 398-400 |

Estimation of clutters from aircrafts during ionospheric measurements using incoherent scatter radar with 100-meter two-mirror antenna | ||

Ya. M. Chepurnyy, Leonid Ya. Emelyanov, D. O. Iskra, M. O. Shulga | 401-405 |

Studying the properties of different materials using terahertz 3D imager radar | ||

Mykola A. Kosovets, Oleg I. Pavlov, L. N. Tovstenko | 406-410 |

Two-frequency method for probing of ionospheric resonance inhomogeneities | ||

A. R. Nasybullin, D. A. Vedenkin | 411-413 |

Measurement method of the object surface deflections using antennas theory | ||

Alexander V. Poliarus, E. O. Poliakov, Ya. S. Brovko | 414-416 |

Parameters of foam layers definition for calculation of reflection coefficients | ||

Leonid A. Filins’kyy | 417-420 |

Investigation of reflection in the foamed structures | ||

Leonid A. Filins’kyy, V. M. Morozov | 421-424 |

Radiophotonic method for instantaneous frequency measurement based on principles of “frequency-amplitude” conversion in Fiber Bragg grating and additional frequency separation | ||

Alexander A. Ivanov, Oleg G. Morozov, Vladimir A. Andreev, Artem A. Kuznetsov, Lenar M. Faskhutdinov | 425-428 |

Effect of the low energy electromagnetic radiation of cell phone frequency (1.8 GHz, 2.4 GHz) on the chromatin state in cells of human buccal epithelium | ||

Andrey Mudrak, Alexey Demchenko, Nikolay N. Kolchigin, Yuriy G. Shckorbatov | 429-432 |

Optimization of microwave heating of dielectrics taking into account errors in amplitudes of the excitation electromagnetic field emitters | ||

Vladimir I. Anfinogentov, Gennadiy A. Morozov, Nataliya Ye. Stakhova, Sergey V. Smirnov, Svetlana R. Ganieva | 433-436 |

Investigation of processing of dense oily sludge using microwave energy | ||

Denis A. Vedenkin, D. E. Sharonov | 437-439 |

Retrieving the reflection coefficient of a sample from the frequency response of a special open resonator | ||

Yu. I. Choni, A. G. Romanov, V. N. Lavrushev | 440-442 |

Technology of wireless transmission of energy to remote objects based on multi-frequency system of transmitters | ||

Igor Yu. Grishin, Rena R. Timirgaleeva, Sergey Vl. Titov, Yelena V. Titova | 443-447 |