The composition and main metrology characteristics of the GET 210-2014 State Primary Standard of specific adsorption of gases, specific surface, specific pore volume and pore size units in solids and materials are examined.

A new method of estimating the accuracy characteristics of global navigation satellite systems (GNSS), signal record and playback devices is considered. It is based on determination of distortions of delay of signal from different space navigation devices and allows to estimate the level of these distortions.

The mathematical method for predicting the state of a dynamical system at a pace of measurements is represented. The method is based on the early detection of latent evolution of the system to the extreme state by quantifying its stable and catastrophic states with each new measurement. Application considered by the example of Earthquake prediction

The periods and types of works on reengineering of information systems with taking into account the results of obsolescence monitoring process, have been proved. The three types of obsolescence: economic, functional and resource failure-resistance degradation, are considered. The results presented here could be useful for development of methodological support of technical regulation during estimation and confirmation of information systems compliance on design and operation stages.

The advanced recognition algorithm with additional processing blocks to increase the number of compared informative parameters and reduction of natural and spectral distortion of speech signals is developed. The pilot studies of the algorithm are conducted on the basis of the verified database.

The construction principle for compact geometry tool effective for diagnostics of a small diameter pipelines was developed. The use of fiber optical sensor, sensitive to flexure and based either on multi mode fibers, or on Bragg fibers was suggested. The analysis of efficiency of the assembled experimental prototypes is carried out.

The analytical relationships for the error of measuring the frequency of of harmonic signal against the noise when using the weight method of frequency averaging, are presented. The two parameters objectively characterizing the properties of weight functions in problems of signal frequency measurement against the noise, are suggested. The weighting functions optimality criteria are formulated and a method of measurement error minimization is proposed.

Thе design principles and a brief theory of optoelectronic digital-to-analog converters as multiplexing components in digital converters of angular motion, as well as the design of angle-code converter based on a fiber/optic digital-to-analog converter with elimination ambiguity of binary code read out, have been considered.

A procedure of atomic fountain noises separation is proposed. Noises are separated in dependence of atomic flow density. They are photodetector noise, quantum projection noise, spin exchange noise and probing signal noise. Taking into account the noises input according to proposed procedure allows to increase the accuracy of measurements.

The metrological problems of measurement of vector dynamic loads parameters during use of a system with three unicomponent vibration sensors are considered. The sources of dynamic errors and false precession of the received vector at use of the analog and digital measuring systems have been analyzed. The complex of problems of the elimination of the amplitude and phase distortions removal during measurement of the vector parameters of non-stationary dynamic loads has been for mulated.

The strain measurement station for dynamic inertial dampers testing is described. The mechanical strains measurement is carried out by means of tensoresistive sensors included in Wheatstone bridge measuring circuit. The practical recommendations for similar devices development and selection of electronic components have been presented.

The method of temperature measurement of internal medium of organism based on the boundary modulation of optical radiation in sensitive element of fiber-optical sensor as a part of medical precision thermometer is considered.

The theoretical and experimental research results in the field of high-performance microwave technologies of sheet materials thermal processing are presented. The sections of two-dimensional periodic slow-wave systems are used as heating elements. The divergence of theoretical and experimental temperature distribution characteristics in the sheet material does not exceed 3%, and the temperature deviation in the material from the nominal temperature value does not exceed 5%.

The features of measurement of low-frequency noise parameters with 1/ f^g form spectrum of electron technology products are considered. The expressions for methodical error of deformation of the exponent g of noise frequency dependence by the results of single measurements of spectral density of the noise power by method of direct assessment at two frequencies with taking into account the level of thermal and shot noise of the product under control have been received and analysed. The recommendations on minimizing the total error of exponent determination are presented.

An analytical expression for spectral characteristics of the signal, optimal in respect to delay measurements and correlated signals resolution, is obtained. The optimum frequency characteristic of the filter allowing to compress the feedback of output signal as compared with the width of its autocorrelation function has been synthesized. By means of mathematical modeling methods the frequency dependence and temporal characteristics of signals from the compression filter parameters have been studied. It is shown that the best properties allowing decrease the measurement error of temporal parameters have the signals in form of exponential pulses.

It is shown that the tone-pulse linearly frequency modulated and noise signals supplement each other and that makes them worth to be used at all levels of the verification scheme. The results of measurement experiments are presented. Based on these results the perspectivity of development of the calibration procedure during acoustic noise radiation according to the sliding complex weighted averaging method are presented.

This operating acoustic positioning system is described and the results of experimental estimation of its sensitivity are presented. A set of digital processing of audiosignals algorithms is considered. The results of optimization of probing signal parameters are represented.