The concept “transfer matrix” of the information and energy block diagram of measuring devices in LT-basis of R.O.Bartini cinematic values has been introduced. Space and time are resources in the Bartini LT basis. Numerical estimation of the costs of resources for transformation of the known input value to the known output value of the block is proposed. The resource capacity of the block diagram which is the sum of resource capacities of all blocks was obtained. The recommendations for the synthesis of the physical principle of the action of measuring device with the minimum resource capacity are given.

A new method for measuring the size spectrum of suspended nanoparticles based on particle enlargement due to their condensation growth in a supersaturated vapor medium and measuring the parameters of droplets grown is proposed. The method allows to reduce the lower limit of measurement to several nanometers, and also to store and further use arrays of data on the spectrum of nanoparticle sizes.

The mechanisms of point tribometric interaction silica substrates in estimating of the surface purity are investigated. It is shown that the lower the movement speed of the substrate probe, the higher the sensitivity of the tribometric system to changes concentration of surface electronic states. Measuring acceleration of probe substrate in a time interval 0≤ t ≤0,012 s after initiation of movement allows to reduce measurement error of surface grade up to 11 %.

The task of the analytical solution to the problem of aperture delay in digital systems for measurement of linear deterministic systems. The mathematical apparatus of obtaining the explicit form of the solution of linear differential equations based on the statement of the matrix exponential and provides the estimated time consumption is small. Elimination of measurement errors due to aperture delays is focused on situational management of industrial technological processes. It is shown that the proposed method can be effectively applied in all cases of eliminating aperture delays if the measured parameters are dynamically coupled state variables of the controlled system. The algorithm and sample solutions, illustrating the effectiveness of the proposed method.

Features of the control strain diameter helical springs and other bodies during the manufacturing process discussed in the article. Selecting optoelectronic measurement method is justified. The design and characteristics developed for process control sensor are shown. Methods of sensor calibration proposed and implemented. Testing of the sensor in real process performed. Satisfactory results of the comparison with the diameter of the estimates of the indirect method are discussed.

A power and energy conical meter of laser radiation which contains two spatially separated groups of thermobatteries is proposed. It is shown that it is possible to achieve an error of the zone characteristic of the meter less than 1 % by simple adjustment of the shunting resistance in the circuit of the voltage source which is the most sensitive element to heating.

The design of transmission system of reference standard frequency and time signals to non-interrogative and interrogative measuring instruments of GLONASS ground complex for control of the onboard time scales of navigation spacecrafts is proposed. The scheme of the transmission system was realized using fiber optical links. The results of experimental research of the error in transmission of RFTS using the fiber optical links are presented.

The process of pressure measurement using the experimental setup to study the isochoric heat capacities and pVT properties of liquids and gases using a strain gauge pressure sensor is discloses. Comparison of experimental results of this sensor with the data obtained manometer MP-600 and the data from the National Institute of Standards and Technology (USA) is given. The efficiency of using a strain gauge pressure is shown. A some experimental data are presented.

The conditions have been analyzed at which nozzles with radius inlet contour can be used for measurement and control of water flow rate at large pressure drops. URANS simulation of water flow in nozzles with radius inlet contour has been performed. Relation between the minimal static pressure at the contour of nozzle with radius inlet shape with its geometry and pressure drop across the nozzle has been derived. The relation can be used to estimate conditions for cavitation onset.

Calculation results for the problem of flow through porous body with a step change in fluid temperature in range from 1 to 100 by numerical finite-difference method taking into account longitudinal conduction are presented. Maximum slopes of temperatures curves were obtained, which can be used for obtaining heat characteristics of heat transfer surfaces with high-compactness by the Single-Blow method. Recommendations for applying range for this method taking into consideration these new results are given.

The analytical voltage-dependent capacitance model of ceramic capacitors is proposed and proved theoretically as well as experimentally. The method of model parameters calculation based on the exact solution of nonlinear differential equation is developed. The experimental data for multilayer ferroelectric ceramic capacitor showing good agreement of proposed method results with those obtained by using LCR meter are presented.

Experimental data of magnetic susceptibility disperse environments in the magnetic field intensity 90-780 kA/m are presented. Field dependences of magnetic susceptibility of single particles and its material (magnetite) are obtained to limit of volume fraction value of particles γ ≤ 0,02…0,05. Opportunity of solving such tasks is explained with not tough limitation of γ.

The several methods of measuring amplitude and phase fluctuations of harmonic microwave signals are considered. The most sensitive method of the synchronous demodulation with two independent channels and the calculation of the cross-spectrum is used. The results of phase noise measurements of different sources in comparison with the reference measurements are given.

The noise of the electrode sensor and the effect of fluid motion on this noise, as well as pulsations of the velocity and pressure of the liquid, are studied. Experimental studies were carried out using the developed installation. Recommendations are given for increasing the sensitivity and accuracy of the sensor.

We proposed a bispectral approach to signal processing, which allows to carry out detection of defects by controlling the characteristics of the surface wave field. The approach is based on using of adjustable orthonormal basis. A series of experiments demonstrating the high efficiency of the approach is carried out.

Error estimation of the cesium, strontium, krypton and xenon radionuclides concentration in the range of 10¹⁰-10¹³ cm^-3 in the atmosphere measurements by the differential absorption and scattering lidar with the laser line accounting at the ranging distance up to 2 km has been fulfilled. The ranging distance minimal value in 70 m for the cesium concentration of 10¹¹ cm^-3 at the 852,1 nm wavelength and the maximal value of 1km for the cesium concentration of 10¹⁰ cm^-3 at the same wavelength have been got for the 25% relative error of the radionuclide concentration measurement.

The principle of sedimentation analysis to determine the grain-size composition is described. The construction and electrical scheme of the sedimentometric device, in which the determination of the sediment is carried out via its electrical conductivity are presented. The advantages of using conductivity measurements are compared to conventional gravimetric method.