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Wyświetlanie 1-15 z 72
Tytuł:
Shooting control
Autorzy:
Łukowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/348157.pdf
Data publikacji:
2017
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
shooting control
fire control
effective fire
fire fight
shooting instruction
Opis:
The article presents proposals for changes in terminology related to fire control, which has been fully embedded in the general theory of management. Particular attention is given to replacing the commonly used term “fire control” by “shooting control”. There are pointed issues, which may be taken into account in the new instructions for artillery shooting control.
Źródło:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2017, 1; 82-95
1731-8157
Pojawia się w:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shooting resistance of non-metallic materials
Autorzy:
Kyzioł, L.
Powiązania:
https://bibliotekanauki.pl/articles/260449.pdf
Data publikacji:
2007
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
glass reinforced plastics (GRP)
wood-polymer composites
ceramics
rubber
shooting
shooting resistance
ballistic plate
Opis:
This paper presents test results of shooting resistance of non-metallic materials such as ceramics, rubber, glass reinforced plastic (GRP), natural and modified wood. It was demonstrated that GRP samples 16 mm thick protected with ceramic plates 10 mm thick can be considered bullet-proof against bullets of 7.62 mm caliber. And, multi-layer plate with a core of natural or modified wood cannot be taken as a bullet-proof material against 7.62 mm bullets.
Źródło:
Polish Maritime Research; 2007, 4; 68-72
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation of Police Officers Responsible for Shooting Training
Autorzy:
TOMASZEK, ARKADIUSZ
Powiązania:
https://bibliotekanauki.pl/articles/1798573.pdf
Data publikacji:
2021-09-13
Wydawca:
Wyższa Szkoła Policji w Szczytnie
Tematy:
Police
instructor
shooting training
specialised course
firearms
Opis:
Armed forces are characterised, among other things, by an extensive process of preparing offi cers to carry out the tasks imposed. Training, and then in-service training in the police, is based primarily on the experience and expertise of those responsible for it. A signifi cant role among police teachers is played by instructors, including police shooting instructors. The article describes the process of acquiring the authority to teach the indicated classes with police offi cers. Additionally, on the basis of evaluation research conducted at the Police Academy in Szczytno, taking into consideration such elements as course program evaluation, acquired knowledge and practical skills, the level of adaptation of the content of specialist course for police shooting instructors to the needs of course participants has been established.
Źródło:
Przegląd Policyjny; 2021, 142(2); 303-316
0867-5708
Pojawia się w:
Przegląd Policyjny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Matlab implementation of direct and indirect shooting methods to solve an optimal control problem with state constraints
Autorzy:
Karbowski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1837359.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
optimal control
numerical methods
state constraints
shooting method
multiple shooting method
boundary value problem
MATLAB
Opis:
The paper presents a general procedure to solve nume‐ rically optimal control problems with state constraints. It is used in the case, when the simple time discretization of the state equations and expressing the optimal cont‐ rol problem as a nonlinear mathematical programming problem is too coarse. It is based on using in turn two multiple shooting BVP approaches: direct and indirect. The paper is supplementary to the earlier author’s paper on direct and indirect shooting methods, presenting the theory underlying both approaches. The same example is considered here and brought to an end, that is two full listings of two MATLAB codes are shown.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2021, 15, 1; 43-50
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Work on developing a thermal shooting target
Autorzy:
Swiderski, W.
Hłosta, P.
Polak, G.
Tymiński, D.
Powiązania:
https://bibliotekanauki.pl/articles/114252.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
thermal target
infrared
emissivity
shooting
Opis:
The paper presents work on the development of a thermal target providing for shooting with the use of night-vision and thermovision sights in night conditions as well as during the day, without changing the target. The image of the target in the night sight is visible by illuminating it through an IR lamp. The target is designed so that the reflected IR stream is directed towards the objective lens. Compared to existing solutions, the new thermal target has a number of advantages, such as it does not require long-time heating and is immediately ready to operate after thermal lamp lighting, significantly reducing energy consumption. The project is currently at the stage of prototype target testing.
Źródło:
Measurement Automation Monitoring; 2017, 63, 4; 158-161
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conducting the training of individual shooting skills in a lecture room
Autorzy:
Krzyżanowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/347750.pdf
Data publikacji:
2017
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
artillery training
training of individual shooting skills
setting determination procedure
Opis:
The article presents the possibilities of conducting the training of individual shooting skills in a lecture room. The elements of developing the practical qualifications of settings determination and conducting fire tasks are of significant importance as far as the education of the future artillery cadre is concerned.
Źródło:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2017, 4; 59-69
1731-8157
Pojawia się w:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing coatings of reflecting infrared radiation for a target for night shooting
Autorzy:
Swiderski, Waldemar
Hłosta, Paweł
Polak, Grzegorz
Tymiński, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/114598.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
thermal target
infrared
emissivity
shooting
Opis:
The paper presents the principle of operation of a new night-shooting target. Because this target requires a covering that reflects the infrared radiation flux generated by the reflector from its surface, testing of different variants of the cover and the shape of the target surface has been carried out. Emissivity is a physical parameter characterizing the radiant properties of real bodies. The emissivity coefficient of extruded aluminum sheet samples covered with a layer of green colored aluminum oxide was determined. The aluminum oxide layer was applied using two different technologies being galvanic and anodizing.
Źródło:
Measurement Automation Monitoring; 2019, 65, 2; 41-43
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigations of the Mechanism of the Sand Shooting into the Core Box
Autorzy:
Dańko, R.
Powiązania:
https://bibliotekanauki.pl/articles/379842.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
core
core box
sand shooting
deaerating
rdzeń
rdzenie skrzynkowe
piaskowanie
odpowietrzanie
Opis:
The results of investigations of sand shooting into the core box are presented in the hereby paper. The investigations concern the formation of the diphase sand-air flux, its motion, flowing and compaction in the cavity during the core forming. Conditions deciding on the course of individual phases of the process are discussed with taking into consideration the influence of such factors as: the shot pressure, shooting hole diameter, number and distribution of deaerating vents in experimental core boxes (of a single cavity and of multi cavities) on the core sand compaction state. Investigations were performed by means of the modernised experimental shooting machine SR-3D, of the shooting chamber volume of 3.3 dm3, connected with the system of pneumatic supply ensuring the stable pressure supply of values: 0.4 MPa, 0.5 MPa and 0.6 MPa. Two diameters of the shooting hole, equal 10 mm and 20 mm, were applied for filling three experimental core boxes differing in dimensions of cavities and in number and distribution of deaerating vents. The filling process of core boxes was recorded by means of the digital camera PHANTOM V210 with the filming rate of 3000 pictures in second. Simultaneously, during the shot, other values allowing to determine the intensity of the core sand outflow from the shooting chamber to the core box, were tested. The presented in this publication results constitute the important element of the experimental verification of the blowing process simulation calculations which will be performed.
Źródło:
Archives of Foundry Engineering; 2018, 18, 3; 113-119
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acoustic Modelling of Sport and Hunting Shooting Ranges in the Aspect of Shaping Noise Emissions Into the Environment
Autorzy:
Boczkowski, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/2064764.pdf
Data publikacji:
2020
Wydawca:
STE GROUP
Tematy:
noise
sound propagation
acoustic modelling
shooting ranges
Opis:
The article deals with the problem of acoustic modelling of sport and hunting shooting ranges for the purposes of carrying out acoustic impact assessments on the environment. The fashion for recreational shooting and the dynamic development of shooting ranges resulted in conflict situations between the shooting range and the residents. Increasingly, the condition for allowing the shooting range to be used is to carry out an acoustic analysis to confirm the lack of noise nuisance. Therefore, it is necessary to develop guidelines for acoustic modelling of shooting ranges, taking into account their purpose and types of shooting axes. Each of the shooting axes is designed for a different type of shooting and thus has different acoustic characteristics. In the article, the author presents a method of modelling noise emissions from the shooting range on the example of one of the popular shooting competitions which is the hunting trap. First, acoustic measurements of the unit noise source related to the firing of shots by a firearms shooter were made. Then the directional characteristics of this source were determined, the shooting axis of the “hunting trap” type was modelled during a typical shooting competition and its directionality was determined. Then, on the example of a specific shooting range, the possibility of using the results to analyse the propagation of noise into the environment during typical shootings on the trap axis was presented.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2020, 3, 1; 308--319
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The shooting approach in analyzing bang-bang extremals with simultaneous control switches
Autorzy:
Felgenhauer, U.
Powiązania:
https://bibliotekanauki.pl/articles/969603.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
bang-bang control
Lipschitz stability in optimal control
nonsmooth optimization
shooting type methods
Opis:
The paper is devoted to stability investigation of optimal structure and switching points position for parametric bang-bang control problem with special focus on simultaneous switches of two control components. In contrast to problems where only simple switches occur, the switching points in general are no longer differentiable functions of input parameters. Conditions for Lipschitz stability are found which generalize known sufficient optimality conditions to nonsmooth situation. The analysis makes use of backward shooting representation of extremals, and of generalized implicit function theorems. The Lipschitz properties are illustrated for an example by constructing backward parameterized family of extremals and providing first-order switching points prediction.
Źródło:
Control and Cybernetics; 2008, 37, 2; 307-327
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Key Kinematic Components for Optimal Basketball Free Throw Shooting Performance
Autorzy:
Cabarkapa, Dimitrije
Fry, Andrew C.
Carlson, Kevin M.
Poggio, John P.
Deane, Michael A.
Powiązania:
https://bibliotekanauki.pl/articles/1942937.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
coaching
sport science
shooting technique
analysis
Opis:
The purpose of this study was to determine the difference in five kinematic variables (internal knee and elbow angles, elbow height, forearm angle from vertical, and shoulder flexion angle at ball release) between proficient and non-proficient free throw shooters and which variables had the greatest contributions to a successful free throw shooting outcome. Seventeen male basketball players shoot three sets of 10 free throws with a two-minute break between each set. A three-dimensional motion tracking system composed of 17 sensors sampling at 60 Hz was used for data collection. Proficient free throw shooters had greater knee and elbow flexion, lower elbow height, and a smaller forearm angle compared to non-proficient shooters. These results explained 89.5% of the total variance. While maintaining the optimal range of these kinematic variables allows each subject to reach an appropriate level of free throw shooting performance, the key variable capable of distinguishing between made and missed shots within the proficient group of shooters was the forearm angle. Positioning the forearm parallel, or close to parallel, with an imaginary vertical line during the preparatory phase of the shooting motion accounted for 23.9% of the total variance and was associated with a greater number of made shots.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2021, 36; 5-15
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Shooting Errors Simulations Initiated by Barrel Jumping of 40 mm Turret Guns
Autorzy:
Kari, A.
Jeremić, O.
Milinović, M.
Jerković, D.
Marković, M.
Powiązania:
https://bibliotekanauki.pl/articles/403707.pdf
Data publikacji:
2014
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
mechanics
shooting errors
barrel jumping
oscillations
APC
accuracy
Opis:
Model considered estimations of isolated shooting errors initiated by barrel jumping after each particular bullet as the research of particular characteristic important for gun mounting on the mobile platforms. Sequential influences of barrel disturbances are included in the initial ballistics derivations independent of vehicle turret and undercarriage. Expected disturbance magnitudes are analyzed during and beyond shooting for the particular bullet in the ripple. Shooting ripple errors are analyzed according to the angular disturbances transposed to the projectile initial ballistic elements. Rate of barrel impeachments during firing is taken as the element of projectile spin disturbance. Barrel system with appropriate recoil equipment is taken as the rigid body model in the first approximation. Behaviour of 40 mm automatic gun as the possible concept aimed at the shooting with small elevation angles, as mounted on the mobile combat platforms was tested. Ballistic testing of real projectiles on the proving ground is used as reference to selected gun particular errors. Further extended research was directed to the system’s acceptable accuracy and stability in the cases of gun mounting on the Armour Personal Carrier (APC).
Źródło:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2014, 5, 4 (18); 21-32
2081-5891
Pojawia się w:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is Shooting a Sport? the Outline of Sport Shooting in Poland as A Subject Matter of The Sociology of Sport
Czy strzelectwo jest sportem? Zarys problematyki strzelectwa sportowego w Polsce jako przedmiotu socjologii sportu
Autorzy:
Zwarycz, Piotr Adam
Powiązania:
https://bibliotekanauki.pl/articles/1041073.pdf
Data publikacji:
2020-12-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
strzelectwo sportowe
broń palna
światy społeczne
praktyki społeczne
etnografia
sport shooting
firearms
guns
social worlds
social practices
ethnography
Opis:
The main goals of this text are to answer the question of whether sport shooting should be treated as a sport and to convince readers that shooting can be an interesting subject within the sociology of sport. Sport shooting is an activity that is dynamically developing and has engaged more and more people in recent years in Poland. The article presents the history and specificity of this sport discipline, including the presentation of the competition and the classification of people participating in the social world of shooters. The text also contains preliminary conclusions on social phenomena concerning the shooting environment and methodological considerations related to barriers occurring in the study of this environment.
Głównym celem tego tekstu jest odpowiedź na pytanie, czy strzelectwo sportowe należy traktować jako sport, oraz przekonanie czytelników, że strzelectwo może być interesującym przedmiotem socjologii sportu. Strzelectwo sportowe to dynamicznie rozwijająca się aktywność, która w ostatnich latach angażuje w Polsce coraz więcej osób. Artykuł przedstawia historię i specyfikę tej dyscypliny sportu, w tym prezentuje dyscypliny sportowe oraz klasyfikację osób uczestniczących w świecie społecznym strzelców. Tekst zawiera również wstępne wnioski dotyczące zjawisk społecznych dotyczących środowiska strzeleckiego oraz rozważania metodologiczne związane z barierami występującymi w badaniach tego środowiska.
Źródło:
Acta Universitatis Lodziensis. Folia Sociologica; 2020, 75; 33-48
0208-600X
2353-4850
Pojawia się w:
Acta Universitatis Lodziensis. Folia Sociologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Options to Reduce Noise Exposure to Shooters on Sport Shooting Ranges
Autorzy:
Boczkowski, Arkadiusz
Adamski, Mateusz
Bień, Jacek
Chwalny, Karol
Nosek, Michał
Paszek, Patryk
Pisarska, Marzena
Powiązania:
https://bibliotekanauki.pl/articles/2064561.pdf
Data publikacji:
2021
Wydawca:
STE GROUP
Tematy:
noise
shooting range
acoustic silencers
exposure to noise
noise risk assessment
Opis:
The intensive development of sport shooting and the significant increase in the number of people using sport and recreational shooting ranges also increases the risk of hearing damage to shooters, due to exposure to impulse noise from the shots of firearms. This article discusses the methodology for assessing shooters’ exposure to noise and identifies and extensively discusses possible ways to minimise this exposure. It then describes a research experiment carried out to measure and calculate the effectiveness of noise reduction by means of acoustic silencers when shooting with typical weapons in the most popular sporting and hunting calibres. The experiment also included firing tests with subsonic ammunition. On this basis, conclusions were drawn regarding the possibility of reducing impulse noise during shooting and the possibility of eliminating the risk of hearing damage.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2021, 4, 1; 330--342
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 72

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