scholarly journals Devising a procedure for justifying the need for samples of weapons and weapon target assignment when using a reconnaissance firing system

2021 ◽  
Vol 5 (3 (113)) ◽  
pp. 65-74
Author(s):  
Oleksandr Maistrenko ◽  
Vitalii Khoma ◽  
Oleksandr Lykholot ◽  
Andrii Shcherba ◽  
Oleksandr Yakubovskyi ◽  
...  

This paper proposes an algorithm to substantiate the need for weapons samples, as well as targeting when using a reconnaissance firing system taking into consideration the peculiarities of functioning of such systems. The algorithm essentially implies streamlining the stages in determining the magnitude of the reduction of the enemy's combat potential and, on its basis, the formation of the need for the number of weapons by type. The algorithm makes it possible to take into consideration the nonlinearity of functions that describe both different types of weapons and targets. In addition, this algorithm is based on a modified method of nonlinear programming (two functions). The modification involves the use of a normalized share of the weight of each target as weight coefficients. This allows for targeting while taking into consideration the established level of the combat potential of an enemy. A procedure for determining the need for samples of weapons and targeting in the use of reconnaissance firing systems has been devised. It was determined that in order to achieve the goal of enemy fire damage, it is not typically necessary to use all weapons samples. In general, the procedure makes it possible to take into consideration the peculiarities of the samples of weapons and their suitability to hit a certain target. That could prevent problems with overspending of resources, failures in the detection-defeat cycle, non-fulfillment (not fully performing) tasks during enemy fire damage. In general, the algorithm and procedure for determining the need for the samples of weapons and targeting when using a reconnaissance firing system testify to devising a methodology for justifying the need for weapons samples and targeting. The performance and adequacy of this procedure have been tested by considering an example of determining the need for weapons samples and targeting and obtaining the result confirmed by the experience in the use of reconnaissance firing systems

2018 ◽  
Vol 20 (92) ◽  
pp. 109-112
Author(s):  
Yu. V. Kravchenko-Dovga ◽  
V. I. Karpovskyi ◽  
O. V. Danchuk ◽  
O. V. Zhurenko

New scientific data on the degree and nature of the effect of force, balance and mobility of cortical processes on the mineral status in the body of cows are given. The experiment was conducted on cows of Ukrainian black-and-white milk breed of second-third lactation of different types of higher nervous activity. Investigations of conditioned-reflex activity were conducted using the modified method of conditional-food reflexes G.V. Parshutina and T.V. Hippolyte. The material for research was blood samples of animals, in which the content of individual macro- and trace elements was determined. It is established that in an animal of a strong, balanced, mobile type of higher nervous activity an optimum content of macroelements in the blood is established. Thus, the content of sodium was 119.3 ± 1.1 mmol/dm3, Kcal – 5.62 ± 0.39 mmol/dm3, phosphorus – 8.38 ± 0.11 mmol/dm3, calcium – 2.22 ± 0.09 mmol/dm3 and magnesium – 0.84 ± 0.02 mmol/dm3. In cows of a strong, balanced inert type of higher nervous activity, the content of phosphorus in the blood is lower by 9.3% (P < 0.01), in animals of a strong unbalanced type, the content of phosphorus and magnesium is less by 7.4–9.6% (P < 0.01) and in cows of weak type the content of Potassium, Phosphorus and Magnesium is lower by 13.3–29.2% (P < 0.001) from the indicator of animals of a strong, balanced, mobile type of higher nervous activity. The microelement status of the cows of a strong, balanced, mobile type of higher nervous activity is characterized by the following their content in the blood: Ferrum – 17.8 ± 0.6 μmol/dm3 Zinc – 20.67 ± 0.95 μmol/dm3 Manganese – 0.84 ± 0.02 μmol/dm3 and Kuprum – 13.28 ± 0.29 μmol/dm3. In blood of strong, balanced, inert and strong unbalanced type, the content of zinc in the blood is lower by 17.1–18.5% (P < 0.001), in animals of weak type the content of Ferum, Zinc, Mangan and Kuprum is less than 8.0–24.6% (P < 0.05–0.001) in accordance with the indices of strong, balanced, mobile type of higher nervous activity.


2020 ◽  
Vol 18 (3) ◽  
pp. 399
Author(s):  
Darko Božanić ◽  
Aca Ranđelović ◽  
Marko Radovanović ◽  
Duško Tešić

The paper demonstrates a model whose goal is to define the construction elements of weapons necessary to meet minimum requirements of users. The complexity of the problem, conditioned by different construction elements of weapons and specific situations of their use, is the reason for using methods of multi-criteria decision-making. In the paper we used the hybrid LBWA – IR-MAIRCA model. With this model, one can conduct an analysis of characteristics of the existing weapons, based on which we define the construction elements for modifying the existing and manufacturing new weapons. Regarding a large number of different types of weapons, the paper is limited to the analysis of close-quarters combat weapons. The LBWA method was used to calculate weight coefficients of the criteria. The MAIRCA method, which was modified by interval rough numbers, was used to select the best close-quarters combat weapon that has the best characteristics in accordance with the requests of the users. Based on the analysis, the users have the option to clearly and precisely define requests for improvement of the existing, and manufacturing new weapons.


Electronics ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 20
Author(s):  
Linhui Sun ◽  
Yunyi Bu ◽  
Bo Zou ◽  
Sheng Fu ◽  
Pingan Li

Extracting speaker’s personalized feature parameters is vital for speaker recognition. Only one kind of feature cannot fully reflect the speaker’s personality information. In order to represent the speaker’s identity more comprehensively and improve speaker recognition rate, we propose a speaker recognition method based on the fusion feature of a deep and shallow recombination Gaussian supervector. In this method, the deep bottleneck features are first extracted by Deep Neural Network (DNN), which are used for the input of the Gaussian Mixture Model (GMM) to obtain the deep Gaussian supervector. On the other hand, we input the Mel-Frequency Cepstral Coefficient (MFCC) to GMM directly to extract the traditional Gaussian supervector. Finally, the two categories of features are combined in the form of horizontal dimension augmentation. In addition, when the number of speakers to be recognized increases, in order to prevent the system recognition rate from falling sharply, we introduce the optimization algorithm to find the optimal weight before the feature fusion. The experiment results indicate that the speaker recognition rate based on the feature which is fused directly can reach 98.75%, which is 5% and 0.62% higher than the traditional feature and deep bottleneck feature, respectively. When the number of speakers increases, the fusion feature based on optimized weight coefficients can improve the recognition rate by 0.81%. It is validated that our proposed fusion method can effectively consider the complementarity of the different types of features and improve the speaker recognition rate.


Author(s):  
Zengshun Liang ◽  
Xi’,an Feng ◽  
Yu Xue

In future naval warfare, the accurate attack of underwater intelligent vehicles on targets will become more and more important. Therefore, it is very important to study the guiding method which has the key influence on tracking targets. In the guidance process of intelligent navigation system, the estimation of guidance information by the agent is influenced by confrontation and interference, which often results in the decrease of the guidance accuracy of UUV under the single guidance law. In this paper, the estimated information is classified according to the different types of guidance target information combining to the advantages of three guidance methods, namely fixed advance angle, extended proportional guidance law and adaptive sliding mode guidance law. Then the fuzzy weight coefficient calculation method is used to get the weight coefficients of all kinds of information to form the adaptive weighted guidance law. The target tracking effects of each guidance method is simulated and compared in the simulation environment of the target maneuver and the target non-maneuver respectively.


2010 ◽  
Vol 2 (2) ◽  
pp. 17-37 ◽  
Author(s):  
Diana Ishmatova ◽  
Yuri V. Fedotov

The main challenges of studying user preferences are related to user uncertainty related to a lack of previous experience with m-Government services. This paper investigates user preferences for potential mobile campus services. It was conducted as a pilot survey with the goal to develop and test a measurement approach for revealing preferences for services that users haven’t yet experienced. The dataset used in this paper is taken from a contingent ranking survey carried out in February 2008, involving purposive sampling of third year university students pursuing a bachelor’s degree at the Graduate School of Management, St. Petersburg State University. Numerical estimations reflecting the importance of services and content features were derived using ASPID-methodology (Analysis and Synthesis of Parameters under Information Deficiency), the main advantage of which lies in its ability to work accurately with different types of uncertain information on weight-coefficients.


2005 ◽  
Vol 52 (2) ◽  
pp. 97-102
Author(s):  
Tatjana Puskar ◽  
Dubravka Markovic ◽  
Larisa Blazic ◽  
Bojana Jefic

The aim of the paper was to assess influence of different types of partial dentures on dental plaque accumulation. The study was conducted in three experimental and one control group with 30 examinees each. In the first experimental group were patients with partial acrylic dentures, in the second were patients with overdentures and in the third group were the patients with metal skeletal dentures. Dental plaque on the remaining teeth was measured by Silness-Loe modified method. Dental plaque scores were obtained at a time when dentures were given to patients and after 6 and 12 months of wearing, respectively. The plaque index of all teeth after 12 months of wearing dentures was relatively low in all three examined groups which resulted from previous education and motivation of examinees for oral hygiene maintenance. However, the highest risk of oral diseases caused by dental plaque is in patients with partial acrylic dentures, then in patients with overdentures, and best preventive effect was achieved in patients with metal skeletal dentures.


Author(s):  
М. Adamchuk ◽  
Y. Nоrchuk ◽  
I. Lugovskoy ◽  
О. Minko

In the article, the authors analyzed the methods of using artillery units in armed conflicts in modern conditions and carried out their graphical representation. The article defines the main and responsible role of artillery in deterring the enemy during the operation of the combined forces in the east of Ukraine, which is expressed in the work of applying different methods of artillery. Summarized the latest methods of using artillery units of the Land Forces of the Armed Forces of Ukraine, the National Guard of Ukraine, for the implementation of fire tasks, taking into account the periods of fire damage of the enemy during the resolution of the armed conflict in the east of Ukraine (the entrance to the anti-terrorist operation and the operation of the united forces). This definition is about the concept of how to use artillery units in battle. This article is not final in determining the methods of using artillery units in combat and needs further investigation, discussion, refinement and additions by specialists in this area. Practice shows that for implementation of some methods of using artillery units in combat, it is possible to use different types of fire, or to combine them depending on the nature of the area. The direction of further research is the development of a methodology for determining the methods of using the Artillery units of the Land Forces of the Armed Forces of Ukraine, the National Guard of Ukraine, which should take into account the weapons and nature of the enemy's actions, changes in the situation, peculiarities of the area, the combat capabilities of our artillery, the type of fire used. In order to solve this problem it is necessary to study in detail the various methods of using artillery units and to conduct an analysis, as well as to identify the most effective ones, which may be the basis for the purpose of the task.


2020 ◽  
Vol 1 (1) ◽  

The generalized complex numbers containing weight coefficients for a paraxial case are described. An evident analogy between the wavy systems of trajectories, the module and an argument of complex numbers and the module and an argument of wave functions is drawn.Their geometrical interpretation is given on the plane and on the sphere. The symmetric and asymmetrical systems of wavy trajectories are considered. The examination of different types of wavy and zigzag trajectories of our systems of rays is presented. An evident analogy of these systems and wave functions describing finding of an electron in a potential well and near an atomic nucleus is drawn. The possible arrangement of a wave of de Broglie of an electron on the sphere of Bohr radius is shown. In the offered work great mathematicians whose works are connected with researches of complex numbers are marked out in {braces}: {Cardano, Hamilton, Gauss, Cauchy and Euler}.


Agronomy ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 2261
Author(s):  
Marek Kopecký ◽  
Ladislav Kolář ◽  
Radka Váchalová ◽  
Petr Konvalina ◽  
Jana Batt ◽  
...  

The properties of black carbon (BC) are described very differently in the literature, even when determined by the same methodological procedure. To clarify this discrepancy, BC was investigated in the clay Cambisols of southern Bohemia, Czech Republic, in groups of soils with lower and higher deposition of its atmospheric fallout. The BC determination was performed according to a modified method of Kuhlbusch and Crutzen (1995). The amount of the free light fraction, the occluded light fraction of soil organic matter and its ratio, the amount of heavy soil fraction DF, and its soil organic matter DFOM were determined. Other soil characteristics were identified. It was found that there are two very different types of BC in soils. Historical BC from biomass fires, and new, anthropogenic, from the furnace and transport fumes. Historical BC has a significant effect on the organic matter of the heavy soil fraction, on the ratio of the free and occluded soil organic matter fraction, and the number of water-resistant soil aggregates. Anthropogenic BC does not have this effect. Because this form of BC is not significantly stabilized by the colloidal mineral fraction, it is necessary to take general data on BC’s high stability and resistance to mineralization in the soil with circumspection.


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