The electric field strength calculations inside porous alumina barrier layer during electrochemical anodizing in aqueous solutions of oxalic acid at a forming voltage of 90 to 250 V have been performed. The configuration of porous alumina cells with a porosity from 1 to 10 % have been used as the input data for calculations. It is found that the value of electric field strength inside porous alumina reaches 10¹⁰-10¹¹ V/m. New phenomena and effects, appeared during alumina anodizing process with high forming voltages, have been analyzed.

Evaluating the effectiveness of compression methods for encoding multi-angle images that are formed cameras mounted on moving objects is produced.

The nonlinear error control code on the basis of cryptographic transformation of data through Rijndael algorithm is considered. Bit error properties of decoding algorithms of Rijndael codes and BCH codes for AWGN channel are compared.

The mathematical model and universal software for spectrum analyzer microwave signals in the frequency range 8-18 GHz is developed. The partitioning on segments of the input signal, the amplitude equalization of output signal, the overlay of window function, the changing the number of sampling points is presented, all of this allowed to expand analyzing frequency bandwidth and increase the depth of the frequency resolution in the measurements.

The analysis of the frequency dependence of the ellipticity the left and right waves from the electrodynamics parameters of the anisotropic environment from plasma like type filler was carried out. The results of numerical analysis of the relationship ellipticity coefficient right and left waves for anisotropic filler are given. The regularities of the transformation frequency characteristics at fixed electrodynamics parameters of a stream of particles that penetrate magnetodielectric filler are established. The above results can be used as a basis for the creation of radio systems search and identification of anisotropic irregularities on the underlying background isotropic environment.

Electronic and dynamical properties of MoS₂ are determined by means of theoretical calculations. Various numbers of layers with different thickness of the vacuum layer were considered. We have found that the band gap of bulk MoS₂ is increasing upon decreasing of the number of layers from 0.76 eV up to 1.85 eV, and transforms from indirect to direct one in one-monolayer structure. The influence of vacancies on the electronic properties of MoS₂ is analyzed and its dynamical properties are presented.

The technique of probability reference distribution law finding at statistical testing is offered. The analysis of results of key sequence testing under the frequency test and runs test of system NIST is carried out at use of the uniform law as the probability reference distribution law and at use of the found distribution laws.

Effects of pulsed magnetic field on developed samples of models of biological tissue are examined. Experimental methodology for rapid assessment of stun effects of discharges on replicas of the body, using different types of protective materials, reduces the impact of these discharges is proposed.

The identification of nonlinear systems using Volterra-Laguerre model is a method for estimating the dynamic coefficients of Volterra series. On base of experimental input-output data from carbamide production process, the estimation of coefficients will be using Laguerre filters and method of lest squares.

The results of the research on the process of material production based on porous titanium-containing particles of titanium dioxide for photocatalytic water treatment are listed. The results of the experimental studies have shown that the most effective water purification material using photocatalytic systems is the material obtained by chemical oxidation.

A method of transmission light beams based on birefringent elements and polarization transformations that allow them to extend the operating range of interferometric systems by ensuring their working conditions in the linear region of the intensity of light from the optical path difference of the interfering light waves is proposed.

The analysis of uncertainty functions properties of pseudo-chaotic discrete frequency-manipulated signals with use of linearly-frequency-modulated radio impulses as partial discrete is carried out. Possibility of decrease in level of lateral petals of such broadband signal is considered.

The description and operation mode of the jamming complex for semi-active laser-guided systems, fixed at the high-precision weapon are added. The complex aims to detect the target designation pulse reflected from a target and generation false target designation pulse from several points at a safe distance from the target.

The engineering method of calculation of an average waiting time on priority classes a non-preemptive priority model of the exponential server as tool base of measurement of quality of service in networks with switching of packages is developed. It is established that on access networks with the dominating service Triple Play (Three in one) the simple scheme of a priority has advantage over a complex system of traffic control at an exponential server load factor q < 0.3. The simplified formula of calculation the average network latency for the scheme with 3 classes of a priority is received. Numerical experiment which confirmed existence of some nominal operating mode of the exponential server with the scheme with 3 classes of a priority is executed. The inflection point in dependence of an average waiting time on coefficient of loading of the exponential server is established at q = 0.2 which laid down in a basis of creation of a nominal operating mode of the exponential server with the scheme with 3 classes of a priority.

The modeling of nonisothermal heat and moisture transfer in natural disperse environment is considered. It is necessary to apply parallel computing techniques for solving these problems in three-dimensional setting. An algorithm of parallel computing of nonisothermal heat and moisture transfer is based on the creation of distributed data array by solving a system of equations of nonisothermal heat and moisture transfer with the use of finite element method.

The results of computer simulation and investigation of reflectance spectra of resonance in the range of 7…13 GHz for insulator structures consisted of lithium niobate and anodic alumina with thin nichrome film are presented.

Weak regularity conditions are studied. Necessary and sufficient conditions of R -regularity are obtained. The relations between different types of regularity conditions are investigated.