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Artículos de revistas sobre el tema "Anti-tank Missile"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 7 de febrero de 2022

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1

Moskalets, S., V. Zhyrnyi, O. Mokrinskyi y A. Rudyk. "EFFECTIVE APPLICATION AND PROSPECTS OF IMPROVEMENT OF ANTI-TANK ROCKET COMPLEX MANAGEMENT SYSTEMS". Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки, n.º 5 (22 de diciembre de 2020): 56–63. http://dx.doi.org/10.37701/dndivsovt.5.2020.07.

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Tanks are one of the main means of implementing aggressive plans to capture land territory. To combat tanks and other armored vehicles the projectiles with different types of warheads and anti-tank guided missiles are used. The best means of defeating tanks are anti-tank missile systems (ATMS), which are classified by aiming methods. The purpose of this work is to review the prospects for development and use of existing ATMS by analyzing the trends of new national and foreign weapons control systems. Anti-tank missile systems of most advanced world‟s armed forces are, predominantly, second-generation systems with a semi-automatic infrared or laser beam guided systems. Missiles of these systems have a high probability of hitting the target (and penetration of armor) when firing under good visibility conditions. The retrofit of the second- generation systems is being done by increasing the protection against jamming caused to aiming systems due to creating combined infrared and thermal coordinators, improving signal processing methods, and increasing the flight speed of missiles and the reliability of command transmission. The tank engine is a powerful contrasting source of thermal energy. The main weak links of systems with semi-automatic guidance systems in terms of jamming counteraction are the operator who tracks the target along the missile's flight, and the coordinator of the missile's command aiming that can be “blinded”. Large-scale works on the creation of next generation anti-tank missile systems based on the latest scientific and technological achievements have been considered. The system‟s operator is one of the weakest links. Careful attitude to the life of every Ukrainian warrior should be a priority, as it is in the modern militaries of the world. This attitude can be ensured by using a reliable missile weapons both natioanl and foreign that would be capable of hitting enemy tanks from a safe distance with a remote control using “fire-and- forget”principle.

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2

Abdallah Mohamed, Mohamed. "Linearization of Anti-Tank Guided Missile". Automation, Control and Intelligent Systems 7, n.º 1 (2019): 9. http://dx.doi.org/10.11648/j.acis.20190701.12.

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3

El-Sheikh, G. y N. El.Hamwe. "Autopilot Design for a LOS Anti-tank Guided Missile". International Conference on Aerospace Sciences and Aviation Technology 8, ASAT CONFERENCE (1 de mayo de 1999): 1–16. http://dx.doi.org/10.21608/asat.1999.25161.

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4

Zhou, Yulong, Min Gao, Dan Fang y Baoquan Zhang. "Tank segmentation of infrared images with complex background for the homing anti-tank missile". Infrared Physics & Technology 77 (julio de 2016): 258–66. http://dx.doi.org/10.1016/j.infrared.2016.06.008.

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5

Ryu, Moo-Yong, Chang-Hun Lee y Min-Jea Tahk. "New trajectory shaping guidance laws for anti-tank guided missile". Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 229, n.º 7 (4 de septiembre de 2014): 1360–68. http://dx.doi.org/10.1177/0954410014549565.

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6

El-Sheikh, G., M. Abd-Altief y M. Dogheish. "Anti-Tank Guided Missile Performance Enhancement Part-2: Robust Controller Design". International Conference on Electrical Engineering 5, n.º 5 (1 de mayo de 2006): 1–13. http://dx.doi.org/10.21608/iceeng.2006.33655.

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7

Radovanović, Marko, Aleksandar Milić y Milan Stevanović. "Analysis of anti-armor missile systems using the hybrid model AHP-VIKOR method of multi-criteria decision-making". Serbian Journal of Engineering Management 6, n.º 1 (2021): 37–44. http://dx.doi.org/10.5937/sjem2101037r.

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The paper presents the selection of the best anti-armor missile system, as a significant weapon whose basic task is to neutralize tanks, armored combat and non -combat vehicles at different firing distances. The complexity of the problem is conditioned by the different tactical and technical characteristics of anti-tank missile systems and the specific conditions of their application have conditioned the application of the model of multi-criteria decision-making. The selection of the most favorable anti-armor missile system was realized using the hybrid model AHP -VIKOR. Using the AHP method, the values of the criterion coefficients were calculated. The VIKOR method was used to select the most favorable alternative (anti-armor missile system). Based on the obtained results, a set of compromise solutions was defined, on the basis of which the decision maker can decide on the selection of the best anti-armor missile system.

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8

Agustian, Erna Shevilia. "Sistem Propulsi Roket Padat Untuk Rudal Anti Tank". Jurnal Teknologi Kedirgantaraan 6, n.º 2 (30 de agosto de 2021): 23–29. http://dx.doi.org/10.35894/jtk.v6i2.36.

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Abstrak-Indonesia membutuhkan ketersediaan alat peralatan pertahanan dan keamanan (Alpalhankam). Namun hal ini belum didukung oleh kemampuan industri pertahanan secara optimal, sehingga menyebabkan ketergantungan terhadap produk Alpalhankam dari luar negeri. Dengan demikian perlu adanya upaya untuk dapat menguasai teknologi, sehingga kebutuhan terhadap Alpalhankam dapat terpenuhi oleh industri dalam negeri. Indonesia menggunakan Taktik gerilya yang dalam Implementasinya menggunakan senjata-senjata yang dapat menghancurkan Alat utama Sistem Persenjataan (Alutsista) musuh yang masuk ke Indonesia seperti Tank Musuh. Maka berkaitan dengan hal tersebut diperlukan suatu senjata ringan dan senjata Penghancur Tank. Anti Tank Guided Missile (ATGM) memiliki kemampuan untuk menghancurkan Tank tempur utama yang kuat dari jarak yang sangat jauh. Secara umum kinerja rudal sebagian besar bergantung pada sistem propulsi nya. Sistem propulsi roket padat pada rudal digunakan terutama pada saat memerlukan percepatan yang besar, misalnya meningkatkan kecepatan tinggi dalam waktu singkat sehingga cocok diterapkan pada rudal Anti Tank. Selain itu motor roket padat juga memiliki tingkat keselamatan, keandalan, kesederhanaan desain, serta masa penyimpanan yang baik, sehingga sering digunakan dalam aplikasi militer. Kata kunci: Alpalhankam, Alutsista, Rudal, Propulsi, Roket Padat,

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9

Zhong, Meng Сhun, Cheng Li y Hua Li. "Research on the Performance Evaluation Method for Virtual Training System of Anti-Tank Missile". Applied Mechanics and Materials 644-650 (septiembre de 2014): 5668–71. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.5668.

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Aiming at the problems of performance evaluation is not comprehensive and objective in vehicle mounted anti tank missile training simulator, establishes the evaluation index system of missile shooting based on AHP and Delphi method, and constructs the hierarchical structure model. Using the sum product method to Calculation the approximate value of the Judgment matrix, solved the problem of getting the index weight between the elements. Checked the consistency of judgment matrix, verify the validity of the model, and finally through a concrete application example, obtained the comprehensive score of the calculated gunner firing. The research of this paper can provide a feasible method to enhance the training system of evaluation model, also has great practical significance to improve the effect of training simulator.

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10

Abd-Altief, M., G. El-Sheikh y M. Dogheish. "Anti-Tank Guided Missile Performance Enhancement Part-1: Hardware in the Loop Simulation". International Conference on Electrical Engineering 5, n.º 5 (1 de mayo de 2006): 1–14. http://dx.doi.org/10.21608/iceeng.2006.33654.

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11

Harris, John y Nathan Slegers. "Performance of a fire-and-forget anti-tank missile with a damaged wing". Mathematical and Computer Modelling 50, n.º 1-2 (julio de 2009): 292–305. http://dx.doi.org/10.1016/j.mcm.2009.02.009.

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12

Liu, H. L., S. Y. Dian, L. Wang y Y. H. Wu. "Research on An Adaptive Optimization Method of Anti-tank Missile in Plateau Environment". IOP Conference Series: Materials Science and Engineering 428 (1 de octubre de 2018): 012042. http://dx.doi.org/10.1088/1757-899x/428/1/012042.

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13

Yakovenko, V., V. Khoma y O. Lyulka. "JUSTIFICATION OF THE CALCULATION ORDER OF EFFICIENCY INDICATORS OF ARMORED FIGHTING VEHICLES DAMAGING BY THE DIRECT FIRE OF PROSPECTIVE ANTI-TANK MEANS". Collection of scientific works of Odesa Military Academy 2, n.º 12 (27 de diciembre de 2019): 174–77. http://dx.doi.org/10.37129/2313-7509.2019.12.2.174-177.

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Modern means of fire influence in the traditional performance in recent years have not undergone any structural changes. However, certain areas of development of scientific and technical activities of mankind have made it possible to rethink approaches to the lethality of weapons. However, the so-called high-precision munitions, which have taken a fairly clear position in the weapons market have both a number of significant advantages in use, and no less than a list of disadvantages, one of which is the cost of production. However, the world's fleet of armored combat vehicles is growing steadily, while the list of anti-tank weapons is limited to anti-tank missile systems and, in some cases, single samples of anti-tank guns. The calculation of efficiency indicators today is traditionally based on the defeat of an armored vehicle by direct hit of a fragmentation and high-explosive projectile, rather than its so-called «useful fragments». The experience of recent local wars and conflicts requires increasing demands for new samples, characterized by the compilation of a means of destruction, a means of delivering fragile mass to a target, as well as the means of reconnaissance and the control devices of these components of fire influence on enemy armor. This problem can be solved by means of prospective anti-tank automatic cannons in combination with fragmentation and reconnaissance missiles and reconnaissance devices, including airborne (UAV, «flying platforms» type balloon). In addition to analyzing the directions of improving the means of defeat of combat armored vehicles, the mathematical apparatus by which it is possible to determine the expected consumption of shells on the target, which provides the effectiveness of firing, the ways of calculating the effectiveness indicators of damage to combat armored personnel by direct fire of prospective anti-tank means without shooting in return.

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14

Al Fadli, Muhammad Hanifudin, Dadang Gunawan, Romie Oktovianus Bura y Larasmoyo Nugroho. "DESIGN AND IMPLEMENTATION OF ANTI-TANK GUIDED-MISSILE (ATGM) CONTROL SYSTEM USING SEMI-AUTOMATIC COMMAND LINE OF SIGHT (SACLOS) METHOD BASED ON DIGITAL IMAGE PROCESSING". Jurnal Pertahanan: Media Informasi ttg Kajian & Strategi Pertahanan yang Mengedepankan Identity, Nasionalism & Integrity 7, n.º 2 (31 de agosto de 2021): 217. http://dx.doi.org/10.33172/jp.v7i2.755.

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<div><p class="Els-history-head">The Anti-Tank Guided-Missile (ATGM) system has a very important role in the modern battlefield. This system proved its effectiveness in many modern conflicts such as the Syrian Civil War and Nagorno-Karabakh War. The ATGM system has a very simple electronic and mechanism but it has a very high level of accuracy and precision. One of the control methods used in ATGM is SACLOS method. This method tracks missile position by detecting an infrared lamp that is placed on the missile tail. The tracking system sends control signals to the missile as a result of the correction of the missile position when flying. The infrared tracking system in this research was made using a modified OV5647 camera with the addition of a 940 nm narrow bandpass filter. There are 3 cameras with 1x, 8x, and 16x magnifications which are accessed using 3 Raspberry Pi boards. X and y coordinate data of the infrared lamp is sent to the airframe using wireless telemetry. Atmega328 microcontroller process x and y coordinate data into input proportional control. The result of this research is the prototype of an anti-tank missile control system with an infrared tracking instrument capable track a series of 88 infrared LEDs as far as 997.16 meters with a tracking speed of 90.11 FPS. The threshold parameters of image processing using luminance of YUV color space has a range of 240-255. The control parameter Kp=7 is used in wind tunnel testing with airspeed 20 m/s capable of directing airframe motion to the telescope's crosshairs.</p></div>

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15

Nocoń, Łukasz y Zbigniew Koruba. "Modified linear-quadratic regulator used for controlling anti-tank guided missile in vertical plane". Journal of Theoretical and Applied Mechanics 58, n.º 3 (15 de julio de 2020): 723–32. http://dx.doi.org/10.15632/jtam-pl/122205.

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16

Swietochowski, Norbert y Dariusz Rewak. "‘KRAB’ – new capabilities of the Polish Armed Forces". Scientific Journal of the Military University of Land Forces 188, n.º 2 (30 de junio de 2018): 141–61. http://dx.doi.org/10.5604/01.3001.0012.2501.

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The implementation of 155 mm self-propelled howitzers ‘Krab’ into the Missile and Artillery Forces significantly improve their capabilities. Apart the howitzer, the battalion fire module ‘Regina’ consists of specialized command, reconnaissance, support and ammunition vehicles. The caliber of the howitzer adjusted to NATO standards allows for the application of the common ammunition, including precision-guided, with the range up to 40 km, which will enable striking the important targets in the enemy’s rear combat zone. An artillery battalion (battery) equipped with the self-propelled howitzer ‘Krab’ owing to usage of the precision-guided munitions during the engagement will gain unprecedented capabilities with regards to impacting a target. Moreover, the battalion will be able to successfully fulfill tasks, which until recently could be executed by a general-military commander with the support of anti-tank reserves, tank subunits, special forces or tactical surface-to-surface missiles. The paper proposes organizational structures of the ‘Krab’ artillery battalion, variants of order of battle and methods of fire tasks execution.

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17

Jeong, Dong Gil, Sangman Kim, Gunha Lee y Cheol Gyu Hwang. "Study of Integrated-Flight M&S Application for the Anti-Tank Missile Configuration Design". Journal of the Korea Society for Simulation 26, n.º 1 (31 de marzo de 2017): 13–19. http://dx.doi.org/10.9709/jkss.2017.26.1.013.

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18

Kajetanowicz, Jerzy. "Armored carrier MT-LB and support vehicles produced on its basis in Poland". Scientific Journal of the Military University of Land Forces 188, n.º 2 (30 de junio de 2018): 61–87. http://dx.doi.org/10.5604/01.3001.0012.2492.

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The article presents the history of construction of the armored carrier MT-LB designed in 1960s in Kharkiv Tank Factory in the USSR. The serial production of the carrier in Poland and the involvement of Polish scientific and research centers in the preparation of its specialized versions is discussed. The individual versions of the carrier are characterized, streaming them according to: vehicles produced in Poland, prototype vehicles constructed in Polish scientific and research centers and vehicles obtained for the Polish Armed Forces under import. Furthermore, the article outlines the utilization of the MT-LB armored carrier and anti-aircraft missile launchers, engineering vehicles, armored recovery and command-staff vehicles built on its basis by the Polish Armed Forces’ units, drawing the attention to their role in process of technical modernization of the land forces.

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19

NOCOŃ, Łukasz y Konrad STEFAŃSKI. "Impact of Controller Performance on the Process of Guiding an Armour-Piercing Missile onto a Ground-Based Target". Problems of Mechatronics Armament Aviation Safety Engineering 7, n.º 4 (30 de diciembre de 2016): 67–84. http://dx.doi.org/10.5604/01.3001.0009.5020.

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This work presents an analysis of guiding an anti-tank missile (ATGM) onto a ground-based target. The concept presented here is the feasibility of bypassing obstacles in the path of an ATGM when the obstacle coordinates are known prior to firing the ATGM weapon. The ATGM contemplated here uses a homing algorithm to calculate the stages of the ATGM flight path with the use of polynomial curves (including third-degree polynomial curves). The start and end coordinates of the polynomial curves are determined by the position of the obstacle(s) along the flight path. A method is presented for calculating the factors of subsequent flight path stages, along with a method of equating the ATGM kinematics and dynamics. A comparison is made between the operating efficiency of various configurations of a traditional proportional integral derivative (PID) controller, and at various gain factor values of the PID controller stages. The applied mathematical model of the ATGM are used in a series of numerical simulations for different take-off and in-flight conditions of the projectile. The simulation results are presented in a graphical form.

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20

Kirchner, Stefan. "Third Party Liability for Hezbollah Attacks against Israel". German Law Journal 7, n.º 9 (1 de septiembre de 2006): 777–84. http://dx.doi.org/10.1017/s2071832200005083.

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After an Israeli soldier was abducted in the south of the country in late June, Israeli Defense Forces (IDF) began Operation “Summer Rain” in Gaza in order to secure the safe return of the soldier. On 12 July 2006, Hezbollah forces captured two Israeli soldiers in Northern Israel and killed three more, triggering Operation “Just Reward”, which ended with the fragile cease-fire agreed upon under the terms outlined in U.N. Security Council Resolution 1701. The conflict between Israel and the Hezbollah had the potential of plunging the whole region in a wider war; as a matter of fact, it seems that Iran and Syria were fighting a proxy war against Israel. Hezbollah alone does not have the technological capabilities of hitting Haifa or Nazareth with their own Katjusha-type missiles, which essentially are not much more than slightly modified World War II weapons, yet Hezbollah struck deep inside Israel. On the last day of the war alone, with the cease-fire already in sight, 246 rockets were fired into Israel. Moreover, it appears that Israel was not hit only by Katjushot but also by other missiles with a longer range. Given their arsenal and longstanding support for Hezbollah, the assumption that Iran and Syria have actually delivered missiles or missile technology to Hezbollah is anything but farfetched. News reports during the conflict indicated that Hezbollah used Syrian 220mm-missiles against Israel and that weapons have been delivered to the Hezbollah from Iran, often via Syria. Hezbollah's arsenal includes Iranian-made Zilzal-2 missiles with a range of 210 km, Russian-designed AT-5 anti-tank weapons which were produced in Iran, as well as Russian-made Kornet-E laser-guided weapons and Metis-M anti-armor weapons, both supplied by Syria. Most notorious was the use of Iranian Fajr-3 missiles against Israeli cities. Thousands of these missiles had already been provided to Hezbollah before the fighting began. The rockets that hit the town of Afula, south of Haifa, on 28 July 2006, and which was referred to by Hezbollah as Khaibar-1, likely were the first Iranian-made Fajr-5 missiles ever used by Hezbollah. Despite the destruction of the infrastructure in Lebanon during Operation “Just Reward”, Hezbollah continued to receive weapons. But Syrian and Iranian influence goes back a long time. Today's Hezbollah is the result of an Iranian-nurtured program that lasted for two decades and transformed a local guerilla group into a full-fledged army. Today, Hezbollah's military wing is no longer a group of partisans but an army comprising between 6,000 and 8,000 regular members, not counting reserves, divided into battalions of 250 men, as well as special forces. Not only was it the late Ayatollah Khomeni who provided the initiative for the foundation of Hezbollah, Iran continues to trains Hezbollah fighters and supports Hezbollah's army with weapons, such as the C-802 land-to-sea-missile that was used against the Israeli Naval Ship “Hanit” during the recent conflict.

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21

Bojanic, Dragan, Mitar Kovač, Marina Bojanic y Vladimir Ristic. "MULTI-CRITERIA DECISION-MAKING IN A DEFENSIVE OPERATION OF THE GUIDED ANTI-TANK MISSILE BATTERY: AN EXAMPLE OF THE HYBRID MODEL FUZZY AHP - MABAC". Decision Making: Applications in Management and Engineering 1, n.º 1 (1 de marzo de 2018): 51–66. http://dx.doi.org/10.31181/dmame180151b.

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22

Paszko, Mateusz. "Infrared Signature Suppression Systems in Modern Military Helicopters". Transactions on Aerospace Research 2017, n.º 3 (1 de septiembre de 2017): 63–83. http://dx.doi.org/10.2478/tar-2017-0022.

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Abstract Helicopters play an important role in air-to-ground fire covering and the short-distance air-to-air fights, as well as the anti-tank missions and battlefield force transferring. The detection and survivability of helicopters on a battlefield significantly depends on their infrared emissions level, as well as the methods, equipment and systems used by potential enemy. The automatic detection systems, recognition and identification of flying objects use among other the thermo-detection methods, which rely on detecting the infrared radiation emitted by the tracked object. Furthermore, due to low-altitude and relatively low flight speed, today’s combat assets like missile weapons equipped with infrared guidance systems are one of the most important threats to the helicopters performing combat missions. Especially meaningful in a helicopter aviation is infrared emission by exhaust gases, egressed to the surroundings. Due to high temperature, exhaust gases are a major factor in detectability of a helicopter performing air combat operations. In order to increase the combat effectiveness and survivability of military helicopters, several different types of the infrared suppressor (IRS) have been developed. This paper reviews contemporary developments in this discipline, with particular examples of the infrared signature suppression systems.

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23

Lazić, Goran M., Zdenko D. Šiljak y Stevo B. Jovandić. "Anti-tank guided missiles of western Europe, Israel and India". Vojnotehnicki glasnik 58, n.º 4 (2010): 155–71. http://dx.doi.org/10.5937/vojtehg1004155l.

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24

Park, Sanghyun, Eonbi Kang y Jeonghwan Jeon. "A Study on the Estimation of the Proper Price of Weapon System by Performance Factors: Focused on Heli-Launched Anti-Tank Guided Missiles". Journal of the Korea Institute of Military Science and Technology 24, n.º 1 (5 de febrero de 2021): 133–43. http://dx.doi.org/10.9766/kimst.2021.24.1.133.

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25

Stojanovic, Mirjana, Caslav Lacnjevac, Marija Mihajlovic, Marija Petrovic, Tanja Sostaric, Jelena Petrovic y Zorica Lopicic. "Ecological and corrosion behavior of depleted uranium". Chemical Industry 69, n.º 2 (2015): 107–19. http://dx.doi.org/10.2298/hemind131025024s.

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Environmental pollution with radionuclides, particularly uranium and its decay products is a serious global problem. The current scientific studies estimated that the contamination originating from TENORM, caused by nuclear and non-nuclear technologies, has significantly increased natural level of radioactivity in the last thirty years. During the last decades all the more were talking about the "new pollutant" - depleted uranium (DU), which has been used in anti-tank penetrators because of its high density, penetration and pyrophoric properties. It is estimated that during the Gulf War, the war in Bosnia and Yugoslavia and during the invasion of Iraq, 1.4 million missiles with depleted uranium was fired. During the NATO aggression against the ex Yugoslavia in 1999., 112 locations in Kosovo and Metohija, 12 locations in southern Serbia and two locations in Montenegro were bombed. On this occasion, approximately 10 tons of depleted uranium were entered into the environment, mainly on land, where the degree of contamination ranged from 200 Bq / kg to 235 000 Bq/kg, which is up to 1000 times higher than the natural level. Fourteen years ago there was very little information about the behavior of ecological systems damaged by DU penetrators fired. Today, unfortunately, we are increasingly faced with the ?invisible threat" of depleted uranium, which has a strong radioactive and hemotoxic impact on human health. Present paper provides a detailed overview of the current understanding of corrosion and corrosion behavior of DU and environmental factors that control corrosion, together with indicators of environmental impact in order to highlight areas that need further attention in developing remediation programs.

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26

M. Abdallah. "Modelling and Simulation of an Anti-Tank Guided Missile". International Journal of Engineering Research and V7, n.º 09 (18 de septiembre de 2018). http://dx.doi.org/10.17577/ijertv7is090051.

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27

"Appendix A: North Korean Brochure for AT-4 Anti-Tank Missile". Whitehall Papers 84, n.º 1 (2 de enero de 2015): 155–58. http://dx.doi.org/10.1080/02681307.2015.1113095.

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28

Koruba, Zbigniew y Łukasz Nocoń. "Automatic control of an anti-tank guided missile based on polynomial functions". Journal of Theoretical and Applied Mechanics, 1 de febrero de 2015, 139. http://dx.doi.org/10.15632/jtam-pl.53.1.139.

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29

Koruba, Zbigniew y Łukasz Nocoń. "Numerical analysis of dynamics of an automatically tracked anti-tank guided missile using polynomial functions". Journal of Theoretical and Applied Mechanics, 19 de octubre de 2016, 13. http://dx.doi.org/10.15632/jtam-pl.54.1.13.

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Frenkel, Haim y Hillel Nossek. "A one-man show: Journalist Reuven Pedatzur and the Arrow missile project 1994–2012". Journalism, 30 de noviembre de 2020, 146488492097523. http://dx.doi.org/10.1177/1464884920975234.

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This article seeks to examine whether, in an age where anyone ostensibly can become a journalist without the backing of any professional and responsible system, a single journalist can bring an important topic, related to a central security issue in a given society, to the attention of the media and of decision-makers. To this end, this study compared the salience and framing of coverage of the Arrow missile project in the Israeli press and among Israeli journalists to the coverage of two other complex topics – the Dolphin submarine project and the Merkava tank project. Two Israeli newspapers were examined: Ha’aretz, which appeals mainly to intellectual readers, and the mass- circulation Yedioth Aharonoth. The findings show that the Arrow project received much more salient coverage than the other projects examined, thanks to the salience Reuven Pedatzur, Ha’aretz journalist, afforded the project. Moreover, Pedatzur’s negative framings of the Arrow project were the most salient, such that the project was framed more negatively than positively, as was also the case for the Merkava tank project, which was framed negatively by Ha’aretz journalist Amnon Barzilai, though its salience was much lower. Hence, the findings of this study contribute to constructing a normative and effective model for journalistic work. The model centers on personal affinity for the topic covered, a sense of mission regarding the need to change the policy of a political institution, specialization in and study of the topic under consideration, a solid standing in the world of journalism, journalistic experience, backing from high quality and anti-establishment journalistic institution and support from the military (the air force in this case) and the political elite.

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31

Surma, Zbigniew, Zbigniew Leciejewski, Arkadiusz Dzik y Marek Białek. "Theoretical and experimental investigations on a rocket propulsion system of projectiles intended for vehicle active protection system". Materiały Wysokoenergetyczne / High Energy Materials, 16 de diciembre de 2020, 133–43. http://dx.doi.org/10.22211/matwys/0110e.

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The paper presents the results of a research project carried out at the Military University of Technology aimed at designing a technology demonstrator of an active protection system – a smart counter-projectile for combating anti-tank missiles at a fixed distance from the protected object. Since the design of the counter-projectile head includes electronic components sensitive to high loads, a solid propellant rocket motor was used as the propulsion system. Based on the specification and requirements for the propulsion system, the propellant charge and nozzle dimensions were determined, and the performance properties of the designed system (chamber pressure, thrust with time and total thrust pulse), calculated. The tests and analyses were carried out using the known properties of homogenous solid rocket propellants manufactured in Poland. To verify the results of the theoretical analysis, experimental studies were carried out in collaboration with “GAMRAT” Sp. z o.o. Special Production Plant (Jasło, Poland) to validate the selected solid propellant and the initial assumptions made on the operation of the propulsion system of the designed counter-projectile.

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