№ 4 (36) 2023

CONTENTS

I. INSTRUMENTS AND METHODS OF MEASUREMENT (BY TYPE OF MEASUREMENT)
N.G. Dzhavadov, F.G. Agaev, H.H. Asadov, B.R. Dzhabbarly
The principle of extreme multi-cuvette turbidimetry. Implementation variations …….. page 8
E.B. Iskenderzade, Sh.V. Akhmedova
Coordinate measuring machines. Error analysis, modeling and synthesis of optimal configuration …….. page 17

II. NAVIGATION INSTRUMENTS
S.S. Donchenko, R.A. Davlatov, E.A. Lavrov, D.A. Sokolov, I.O. Skakun
Research results of the “drag-free” satellite system layout based on a laser single-frequency interferometer with two degrees of freedom …….. page 25
V.P. Lopatin, M.M. Murzabekov, D.S. Bobrov
The method for determining the geoid heights using the onboard bistatic system of a nanosatellite based on GNSS signals …….. page 44
S.S. Donchenko, R.A. Davlatov, R.A. Lavrov, D.A. Sokolov, I.O. Skakun
Analysis of possible applications of the results obtained during the development of the “SOIGA” space gravitational wave antenna …….. page 58

III. METHODS AND INSTRUMENTS FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT
E.P. Belyaeva, Y.N. Bezborodov
Methods and devices for property control and the state of oil-water emulsions …….. page 73
N.G. Dzhavadov, H.H. Asadov, A.E. Azizova
Method of calibration of radiation indicators for detecting oil spills in the infrared range …….. page 79

IV. METROLOGY AND METROLOGICAL SUPPORT
D.V. Averkin, I.A. Kuznetsov, D.M. Balakhanov
Development of particle size measures in a liquid with a nominal particle size value of 0.07 microns and 0.1 microns …….. page 87
I.V. Bezmenov
Fast algorithm for cleaning of measurement data from outliers: search for the optimal solution with the minimum number of rejected measurement results …….. page 96
V.V. Okunev-Rarakin, M.F. Gapeeva, I.B. Krestina
On the issue of confirming the measurement error of time intervals of modern digital oscilloscopes …….. page 123

IV. ACOUSTICS
V.M. Epikhin
Optimization of stationary acousto-optic frequency shifters with isotropic diffraction …….. page 128