Challenges to national defence in contemporary geopolitical situation最新文献

{"title":"Network Attack Detection Using Machine Learning Methods","authors":"N. Zagorodna, Mariia Stadnyk, Borys Lypa, M. Gavrylov, R. Kozak","doi":"10.47459/cndcgs.2022.7","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.7","url":null,"abstract":"This paper presents the result of the study of network intrusion detection using machine learning algorithms. The creation and training of such algorithms is seriously limited by the small number of actual datasets available for public access. The CSE-CIC-IDS2018 data set, used in research, includes 7 subsets of different attack scenarios. Each subset is labeled using a few subtypes of a given attack or normal behavior. That is why the problem of network attack detection has been considered a multiclassification problem. Some of the most popular classifiers will be tested on the chosen data set. Classification algorithms are developed using a standard Python programming environment and the specialized machine learning library Scikit-learn. In the paper, a comparative analysis of the results was performed based on the the application of Random Forest, XGBoost, LR, and MLP classifiers.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127684364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of Multicriteria Analysis in Unmanned Ground Vehicle Selection","authors":"J. Furch, Adam Švásta","doi":"10.47459/cndcgs.2022.2","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.2","url":null,"abstract":"This article focuses on decision making to select the optimum variant of the product based on the evaluation of the criteria and the analysis of the variants of the product according to the available criteria. The introduction offers an overview of the existing method of multicriteria analysis, including a description of the principles on which the methods are based. The method of analysis was used for the optimal variant of the selection of Unmanned Ground Vehicle selection intended for military and rescue applications. Considering the properties of the described methods, the Saaty method was chosen for the intended analysis of the evaluation of the designed criteria and the determination of the weights of the groups of vehicle parameters. In addition, for the evaluation of available variants of the vehicle, the power function was applied using weights from the Saaty method for each parameter.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129206003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Responding to evolving military threat. Development of Polish Armed Forces after 2014","authors":"E. Cieślak","doi":"10.47459/cndcgs.2022.34","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.34","url":null,"abstract":"The article describes development and technical modernization of the Polish Armed Forces after 2014. It explores the linkage between development and modernization efforts and evolving military threat posed by Russia. Discussion on evolution of military threat posed by Russia constitutes a starting point for further analyses. Then, a comparative analysis of development and technical modernization plans adopted for Polish Armed Forces after 2014 and tangible results of modernization efforts undertaken during this period is presented. The article concludes with predictions on sustainability of development and modernization of the Polish Armed Forces.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128836506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risks of the Effects of Restrictive Measures on the Democratic Foundations of a State","authors":"Irena Tušer, Radovan Potucek, Š. Hošková-Mayerová","doi":"10.47459/cndcgs.2022.28","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.28","url":null,"abstract":"The regional and local impacts of the restrictive measures taken to mitigate the covid-19 crisis are highly heterogeneous and have significant consequences for the efficiency of society’s functioning, the emergency management of the state administration, and the political responses of the governing parties. The paper deals with the assessment of threats and risks resulting from the restrictive measures of the government as part of the solution to the pandemic crisis situation in the Czech Republic (CR). The aim of the authors is to identify the most serious threats and risks that can affect the democracy and internal security of the CR during a pandemic and to propose recommendations for their mitigation. To assess the defined threats and risks, a point semi-quantitative method was used, working with values for probability, impact and the opinion of evaluators, called the PCE method (Probability, Consequences, Evaluator). Out of the twenty assessed threats, a group of evaluators identified the eight most serious ones, using the PCE method.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122987131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Peculiarities of Construction and Analysis of a Complex Epidemiological Susceptible-Infected-Removed Model","authors":"I. Samoilenko, N. Salo, A. Nikitin, T. Samoilenko, Oleg Kravets","doi":"10.47459/cndcgs.2022.22","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.22","url":null,"abstract":"This study is focused on the construction and analysis of a complex epidemiological practical model built on the basis of the Susceptible-Infected-Removed (SIR) model. The examples illustrate the behavior of the practical model in various scenarios and also compare this model and a similar model, taking into account migration. The nature of the behavior of the model is determined by parameters such as the rate of spread of infection, the coefficients of recovery, mortality, the intergroup transition and others with different values of influence.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"250 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116465325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Application of Methods of Preparation of Plasmo-Chemical Nanocoatings Designated to Hydrophobic and Oleo Phobic Correction of Surface Working of Textile Materials for Filtration Protective Suit","authors":"V. Obšel, P. Otrísal","doi":"10.47459/cndcgs.2022.35","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.35","url":null,"abstract":"he possibility of creation of nanocoatings with hydrophobic or oleo phobic properties on textiles materials designated for protective suits with plasma-chemical procedures with the employment pf atmospheric plasma without vacuum has been verified. On four samples of selected textile materials without any additional modification (Ba, PES+Ba, PES+Ba+Nomex, Ba+Nomex) has been at the Masaryk´s University (MU) in Brno applied with a plasma nozzle with ten different ways nanocoatings based on siloxane (HMDSO, OMCTS) and nanoglass. Prepared samples have been assessed at the MU in Brno even from the behaviour against freely lying drops of the sulphur mustard point of view. At the Military Technical Institute of Protection (VTUO) some selected samples have been subsequently evaluated even from the behaviour of freely lying drops of sulphur mustard. Supposed behaviour of the Chemical Warfare Agent (CWA) of the VX type, sulphur mustard and Soman have been simulated within selected samples with observation of freely lying drops of the olive oil, nitrobenzene, and propanol with similar values of the surface tension as above-mentioned CWA. Founded values of contact angles have been compared with contacts values of contacts angles founded in the scope of two developed materials of the coating textiles for modernized filtration protective garment with classical hydrophobic or oleo phobic modification which have been provided with the company of B.O.I.S. – Filtry, Ltd. Within all samples the change of contact angles in time and also the homogeneity of the modification have been considered. The stability and mechanical sustainability of applied sets against washing has not been evaluated. It has been proved that with the help of plasma-chemical modification is possible to prepare nanocoatings even with ultra-hydrophobic (the contact angle for water is bigger than 150 °) and super oleo phobic (the contact angle for water is bigger than 136 °) properties on suitable textile materials. The best results, so called the effect of a lotus flower, have been reached mainly within two samples of textile materials contented a part of nomex fibes.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122605832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural Characteristic of Fullerene C 60 and its Sorptive Properties","authors":"P. Otrísal, V. Obšel, C. Bungău, Radovan Karkalić","doi":"10.47459/cndcgs.2022.36","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.36","url":null,"abstract":"The pandemic situation associated with the occurrence of COVID-19 has necessitated the initiation or renewal of research activities aimed at the possibility of using materials that will have very good post-accident properties. One of the materials that have been developed, tested and applied in the past has been materials based on the spherical fullerene C 60 molecule. A microstructure using REM and SEM and sorptive properties of fullerene C 60 for gases of toluene with the employment of a QCM detector has been studied. Obtained micrographs are discussed in relation to a possible spatial arrangement at the molecular level. The envisaged solution aims to develop a sensor that, due to its surface properties, would be useful for the detection of gas and liquid phases of chemical warfare agents and industrial chemicals. It is envisaged that the surface layer consisting of fullerene C 60 will be universally applicable, reusable and low cost and low maintenance.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"369 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116119116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mapping Growth of the Russian Domestic Propaganda Apparatus on Telegram","authors":"P. Vavryk","doi":"10.47459/cndcgs.2022.29","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.29","url":null,"abstract":"As a part of Western sanctions against Russia, big social media companies i.e., Facebook, Twitter, and YouTube, have been limiting their functionalities available to Russians and suspending and limiting reach of Russian influencers. Many Russian propagandist, aware of the risk of becoming deplatformed, were already looking for social media platforms with less moderation before the February 24th. With many Russians using Telegram as their preferred communicator, Telegram became the natural choice. Russian government, by blocking access to Western social media platforms by Russian users and by directing state influencers to migrate their domestic audiences to Telegram, has accelerated this trend. Despite many advantages, Telegram is limited in ease with which new content and channels can be discovered. Telegram search for channels is based on exact string matching and Telegram has no content search or content recommendation functionality built into it. Telegram’s advertising mechanism is still in its infancy. To enable quick growth of the key state propaganda channels, Russians employed several tactics. They have selected a few existing influencers, such as Vladimir Soloviev, to substitute for the absent search and recommendation engine. Soloviev’s Telegram channels has been heavily advertised on legacy media, starting with TV stations carrying his programs, to serve as an onramp to Telegram. Soloviev has regularly featured reviews of other smaller channels, endorsing, and promoting their pro-conflict content, becoming the missing recommendation engine for Russians. All the above resulted in creating a vast, Telegram-based apparatus of domestic state propaganda. In this paper, we trace the growth of Russian pro-conflict Telegram communities and quantify the impact of centralized endorsement by state influencers on the growth of other smaller, specialized Telegram channels.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121738512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diffuse Reflectance of Thin Films with Defects","authors":"František Vižďa","doi":"10.47459/cndcgs.2022.31","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.31","url":null,"abstract":"This paper presents the method of the optical analysis of thin films with defects. The attention is devoted to the defects consisting in boundary roughness. This method is based on interpreting the spectral dependences of the diffuse reflectance of light [1-5]. Thin films are used in the optical and military industries and in military applications, for example for the creation of anti-reflective layers or laser mirrors [6]. The numerical analysis confirms the fundamental influence of the parameters of the defects of thin films on the diffuse reflectance.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123780648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Concept and Preliminary Design of a New Drone Destined for Military Rescue/Medical Missions","authors":"Krzysztof Puchała, G. Moneta, E. Szymczyk, V. Hutsaylyuk","doi":"10.47459/cndcgs.2022.32","DOIUrl":"https://doi.org/10.47459/cndcgs.2022.32","url":null,"abstract":"The most notable machines that currently have the impact of eliminating humans from direct contact with the enemy are various types of remotely controlled or autonomous drones. They wreak havoc and fear in the enemy camp, significantly affecting the outcome of current conflicts. The fact of increasing the advantage in the attack causes the need for adequate defense or rescue measures. Thus, the use of remote-controlled drones for rescue/medical purposes seems a natural or even necessary path for the development of military technology. The described drone is intended to be unmanned, designed to transport only one injured person to be evacuated from an area of intense combat with the usage of an onboard robot. It is intended that the drone will be electrically powered which will reduce the possibility of detection due to acoustic and heat signature.","PeriodicalId":304895,"journal":{"name":"Challenges to national defence in contemporary geopolitical situation","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121630420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}