scholarly journals Evaluation of the Effectiveness of Destructive Effects on Laser Guidance Systems of High-Precision Weapons

2020 ◽  
pp. 855-870
Author(s):  
Alexander A. Dontsov ◽  
Victor V. Kalachev ◽  
Yuriy L. Koziratsky ◽  
Evgeniy A. Levshin
Keyword(s):  
High Precision ◽  
Experimental Studies ◽  
Laser Guidance ◽  
Electronic Warfare ◽  
Active Laser ◽  
New Methods ◽  
Stationary Objects ◽  
Guidance Systems

The article presents the results of theoretical and experimental studies of destructive effects on the main channels of various types of semi-active laser homing heads of high-precision ammunition. Recommendations concerning characteristics of promising intended interference were confirmed experimentally. They make it possible to determine new methods of influence on laser guidance systems for high-precision ammunition and to expand the capabilities of electronic warfare devices when protecting stationary objects

Methods for calculating thermal processes under conditions of natural convection of gaseous methane under the influence of electrostatic fields

2021 ◽  
Author(s):  
V.A. Altunin ◽  
K.V. Altunin ◽  
M.R. Abdullin ◽  
M.R. Chigarev ◽  
I.N. Aliev ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Natural Convection ◽  
Power Plants ◽  
Experimental Studies ◽  
Thermal Processes ◽  
Technical Literature ◽  
New Methods ◽  
Electric Wind ◽  
Electrostatic Fields ◽  
General Method

Relying on the review and analysis of scientific and technical literature, as well as the results of experimental studies, we developed new methods for calculating thermal processes occurring in gaseous methane during its natural convection, under the influence of electrostatic fields. In this study we show methods for calculating and determining the coefficients of heat transfer to gaseous methane under the influence of electric wind, as well as methods for calculating and determining the effect of electrostatic fields on the negative process of sedimentation on a heated experimental working plate in the volume of gaseous methane. A general method has been developed for the effective and safe application of electrostatic fields in gaseous methane, which must be carried out in the calculations, design, creation, and operation of new engines, power plants, and techno systems for single and reusable ground, air, aerospace and space-based aircraft.

scholarly journals New methods for specialized subjective and high-precision objective evaluation of constricted ears

Medicine ◽  
2018 ◽  
Vol 97 (45) ◽  
pp. e12997 ◽  
Author(s):  
Di Wang ◽  
Bo Pan ◽  
Lin Lin ◽  
Qinghua Yang ◽  
Leren He ◽  
...  
Keyword(s):  
High Precision ◽  
Objective Evaluation ◽  
New Methods

ACCURACY OF MEASURING SYSTEMS BASED ON LASER MODULES

2020 ◽  
pp. 44-53 ◽  
Author(s):  
V. E. Makhov ◽  
A. V. Emelyanov ◽  
A. I. Potapov ◽  
V. M. Petrushenko
Keyword(s):  
High Precision ◽  
Experimental Studies ◽  
Adaptive Algorithms ◽  
Measuring Systems ◽  
Precision Measuring ◽  
Relative Coordinates ◽  
Laser Module ◽  
Absolute Coordinates ◽  
Preliminary Selection

Measuring systems using the design of laser module beams on the surface of the object under study are considered. A technique is proposed for experimental studies of the brightness structure of the study of laser modules for their subsequent testing. Adaptive algorithms for determining the type of module and distance have been developed for determining the coordinates of light marks on the surface of controlled products, ensuring the accuracy and reliability of the measurement. The need for high-precision measuring systems to carry out their preliminary selection and calibration of laser modules according to the proposed method, taking into account the range of design of light marks, is shown. It is shown in the work that the accuracy of determining the relative coordinates in the trajectory of the light marks of laser modules at a distance of 5 m for plain surfaces of the observed objects can be several times higher (0,2…0,3 mm) of the accuracy of determining their absolute coordinates (»1 mm).

scholarly journals New methods for monitoring dynamic airway tissue oxygenation and perfusion in experimental and clinical transplantation

2012 ◽  
Vol 303 (10) ◽  
pp. L861-L869 ◽  
Author(s):  
Mohammad A. Khan ◽  
Gundeep Dhillon ◽  
Xinguo Jiang ◽  
Yu-Chun Lin ◽  
Mark R. Nicolls
Keyword(s):  
Lung Transplant ◽  
Tissue Oxygenation ◽  
Vascular System ◽  
Experimental Studies ◽  
Bronchiolitis Obliterans Syndrome ◽  
Autopsy Study ◽  
New Methods ◽  
Transplant Patients ◽  
Clinical Transplantation ◽  
Oxygenation Status

A dual circulation, supplied by bronchial and pulmonary artery-derived vessels, normally perfuses the airways from the trachea to the terminal bronchioles. This vascular system has been highly conserved through mammalian evolution and is disrupted at the time of lung transplantation. In most transplant centers, this circulation is not restored. The Papworth Hospital Autopsy study has revealed that an additional attrition of periairway vessels is associated with the development of chronic rejection, otherwise known as the bronchiolitis obliterans syndrome (BOS). Experimental studies subsequently demonstrated that airway vessels are subject to alloimmune injury and that the loss of a functional microvascular system identifies allografts that cannot be rescued with immunosuppressive therapy. Therefore, surgical and medical strategies, which preserve the functionality of the existent vasculature in lung transplant patients, may conceivably limit the incidence of BOS. Given these unique anatomic and physiological considerations, there is an emerging rationale to better understand the perfusion and oxygenation status of airways in transplanted lungs. This article describes novel methodologies, some newly developed by our group, for assessing airway tissue oxygenation and perfusion in experimental and clinical transplantation.

Dimensionless parameters for the design of optical traps and laser guidance systems

2004 ◽  
Vol 43 (20) ◽  
pp. 3999 ◽  
Author(s):  
Yaakov K. Nahmias ◽  
Bruce Zhi Gao ◽  
David J. Odde
Keyword(s):  
Optical Traps ◽  
Laser Guidance ◽  
Dimensionless Parameters ◽  
Guidance Systems

A Multiclass Classification Method Based on Decoding of Binary Classifiers

2009 ◽  
Vol 21 (7) ◽  
pp. 2049-2081 ◽  
Author(s):  
Takashi Takenouchi ◽  
Shin Ishii
Keyword(s):  
Probabilistic Models ◽  
Experimental Studies ◽  
Synthetic Data ◽  
Multiclass Classification ◽  
Data Sets ◽  
Classification Methods ◽  
Boltzmann Machine ◽  
Data Set ◽  
New Methods ◽  
Binary Classifiers

In this letter, we present new methods of multiclass classification that combine multiple binary classifiers. Misclassification of each binary classifier is formulated as a bit inversion error with probabilistic models by making an analogy to the context of information transmission theory. Dependence between binary classifiers is incorporated into our model, which makes a decoder a type of Boltzmann machine. We performed experimental studies using a synthetic data set, data sets from the UCI repository, and bioinformatics data sets, and the results show that the proposed methods are superior to the existing multiclass classification methods.

scholarly journals The use of confocal microscopy in experimental studies and clinical practice of an endocrinologist: modern opportunities

2019 ◽  
Vol 65 (3) ◽  
pp. 174-183
Author(s):  
Natalya G. Mokrysheva ◽  
Sergey L. Kiselev ◽  
Natalia V. Klementieva ◽  
Anna M. Gorbacheva ◽  
Ivan I. Dedov
Keyword(s):  
Confocal Microscopy ◽  
Experimental Studies ◽  
Three Dimensional ◽  
Imaging Method ◽  
New Methods ◽  
Corneal Confocal Microscopy ◽  
Endocrine Ophthalmopathy ◽  
Fundamental Research

Confocal microscopy is a modern imaging method that provides ample opportunities for in vitro and in vivo research. The clinical part of the review focuses on well-established techniques, such as corneal confocal microscopy for the diagnosis of diabetic neuropathy or endocrine ophthalmopathy; new methods are briefly described (intraoperative evaluation of tissues obtained by removing pituitary adenomas, thyroid and parathyroid glands). In the part devoted to fundamental research, the use of confocal microscopy to characterize the colocalization of proteins, as well as three-dimensional intracellular structures and signaling pathways in vivo, is considered. Indicators of intracellular calcium are analyzed.

scholarly journals Experimental research of dependence between informative parameters NDT techniques and steel physical and mechanical properties

2018 ◽  
pp. 44-48
Author(s):  
N. I. Chaban
Keyword(s):  
Mechanical Properties ◽  
Experimental Studies ◽  
Physical And Mechanical Properties ◽  
Ultrasonic Field ◽  
Failure Detectors ◽  
Metal Structures ◽  
New Methods ◽  
Informative Parameters ◽  
Non Destructive

Research of new methods and technologies of non-destructive control of change of long-term metal structures is an actual task of the present. In this article the methodology and results of experimental studies, the main aim of which is to determine the correlation between the intensity of structural noise in the material determined by failure detectors based on ultrasonic field-induced phase grating and the physical and mechanical properties of steels are presented.

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