The purpose of this study is to investigate the historical progress about Teukgongmusul as bodyguard martial arts focused on security service history through the meaning of its development and expansion. This study used secret materials from presidential security service, military service headquarters and special merit unit in Korea, and also used interview materials by oral history. For the above tasks, the conclusions of this study are as follows: Firstly, consideration about the background and circumstances of Teukgongmusul when it was developed in 1970s. No.606 special merit unit's soldiers who worked in presidential security service in Korea organized Teukgongmusul. Secondly, consideration about the meanings of Teukgongmusul presented through its development and expansion process. Teukgongmusul was bodyguards' martial arts which was based on Army's martial arts in 1970s. For this reason, Teukgongmusul now has the perception as Bodyguard Martial Arts. Thirdly, consideration about the expansion process of Teukgongmusul when it was adopted in Army and presidential security service in Korea. In 1970s special merit unit was included in presidential security service in Korea where Teukgongmusul was developed. Afterward Teukgongmusul was expanded in two different ways which were Army and presidential security service in Korea. In Army Teukgongmusul was expanded by no.5 special merit brigade and was expanded by Hapkido master who was worked as martial arts instructor for presidential security service in Korea. Fourthly, the historical progress of Teukgongmusul as bodyguard martial art was influenced by the political situation.
Purpose: The new-type rangefinder, which is using the biprism principle, is introduced to develop the range finder which can be easily carried by soldiers, and in order to realize those technologies specifically, we try to develop a scope for military rangefinder by doing optical design which can secure enough space to move the biprism. Methods: After setting up the verious initial condition to realize two kinds of goals, that are the securement of enough space to move the biprism and the easy-exchangeability of two kinds of biprisms, and then the optical system was optimized by using optical design program CodeV in order to minimize the finite ray aberrations. Results: We designed the biprism housing to makes it possible to swap the two kinds of biprisms. It was appeared that the Schmidt prism is suitable as erecting prism which can make sure the space to move the biprism. 16.5 mm was good for the face length of Schmidt prism. The optical system with a Schmidt prism and a biprism was designed, and the finite ray aberrations was minimized. Conclusions: We developed a 5X scope for an optical rangefinder using a biprism and a Schmidt prism with 16.5 mm face length. This scope is valid for the optical system which has the effective field angle of ${\pm}3.6^{\circ}$, and the finite ray aberrations are well controlled within the ${\pm}8.95^{\prime}$.
This study was designed to provide a base for nursing intervention to help apheresis blood-donors to perform health promotion behavior effectively by surveying their health promotion behavior and by analyzing the critical factors. The study subjects were 468 participants in platelet donation at a university hospital apheresis unit in Seoul. The data for this study were collected between May and June. 2002. by questionnaire. Data were analyzed by t-test, ANOVA. Scheffe test, Pearson correlation coefficient. and stepwise multiple regression. The results were as follows. 1. The degree of performance of health promotion behavior of the subjects was a total average score of $152.9\pm21.5$ points and a mean score of 2.7 points. The highest score was 'I have a good relationship with others' in the factor of self-actualization and interpersonal support. The lowest score was 'I have my blood pressure checked regularly' in the factor of health responsibility. 2. Considering the classification according to the subjects' general characteristics. the health promotion behavior score was significantly higher for soldiers than high school students, for religious believers than atheists. and for high class economic status than mid and low class economic status. Also the health promotion behavior score was higher for those who had made more than five blood donations than those who had made zero or one donation. and for those who had made more than four blood donations than for those who had made less than four blood donations in the previous times of apheresis blood donation. The score was also higher for those not having a relationship with recipient than those having a relationship. 3. The self-efficacy related to donation. general self-efficacy and self-esteem had a significant correlation with the performance in health promotion behavior. 4. The critical factors that influenced the health promotion behavior were explained by $35.6\%$ of the general self-efficacy and by $40.2\%$ of the total of self-efficacy related to donation, and previous times of apheresis blood donation. The health promotion behavior score of apheresis blood-donors differed according to job, religion, economic status, previous times of whole blood donation, previous times of apheresis blood donation, and relationship with recipient. The health promotion behavior and self-efficacy related to donation, general self-efficacy, and self-esteem showed significant positive correlation with one another. The general self-efficacy, self-efficacy related to donation, and previous times of apheresis blood donation appeared to be the significant predictive factors of health promotion behavior. Therefore, from these study results, it is necessary to establish more effective and organized nursing intervention strategies for the health promotion behavior of apheresis blood-donors.
This study is to develop digital leadership in a field of national defense. Today, korean society is facing the crisis of national security. But national defense leadership is not show in the circumstance of national security crisis. As you know, national defense leadership is a process that make use of influence. Which means it converges people's interest and demands well and also show people the right vision of national defense and make them to comply the policy about national security. Because of the environmental change, our national defense leadership is having a new turning point. First, international order, which is under post-cold war, raises possibility of guarantee of peace and security in international society but also, cause the increase of multiple uncertainty and small size troubles in security circumstance. In addition, Korean society is rushing into democratization and localization period by success in peaceful change of political power went through about three times. The issue of political neutralization of military is stepping into settlement but still, negative inheritance of old military regime is worrying about it. In this situation, we can't expect rise in estimation about the importance of security and military's reason for being. So, military have to give their concern to not only internal maintenance of order and control and growth of soldiers but also developing external leadership to strength influence to society and military's the reason for being. So for these alternative I'm suggesting a digital leadership of national defense which fits digital era. This digital leadership is the leadership which can accept and understand digital technology and lead the digital organization. To construct digital national defense we need a practical leadership. The leadership has to be digital leadership with digital competence that can direct vision of digital national defense and carry out the policy. A leader who ha s digital leadership can lead the digital society. The ultimate key to construct digital government, digital corporate and digital citizen depends on digital leader with digital mind. To be more specific, digital leadership has network leadership, next generation leadership, knowledge driven management leadership, innovation oriented leadership. A leader with this kind of leadership is the real person with digital leadership. From now on, to rise this, we have to build up human resource development strategy and develop educational training program.
he guarding system of the "Choson" era is completed by the Gyeongguk-daejeon(an administrative canon) at the kings "Sejong" and "Yejong", and it is supplemented at the King "Seongjong". "Geum-gun" is composed of "Naegeum-wi", "Gyeombok-sa", "Wirim-wi" and "Jeongro-wi" in the period before the Japanese Aggression of Korea in 1952, and in the period after the aggression war, the organization of the "Geum-gun" is changed repeatedly according to circumstances in the period after the aggression. They("Geum-gun") devote themselves to the protection of kings and the capital defense in the first period of the "Choson" era. The most important change of the "Geum-gun" is the practice of five military units system, three military units of them, "Hunryeon-dogam", "Eoyeong-cheong" and "Geumwi-yeong", take charge of the guard of kings and the capital defense, and "Chongyung-cheong" and "Sueo-cheong" take charge of the defense of the outer areas of the capital region with key positions located at "Namhan-sanseong" and "Bukhan-sanseong"(mountain fortress Walls). The function of the "Geum-gun" is extended through the aggressions, therefore the number of soldiers is increased greatly. The guarding system for the country and its royal family is frequently changed according to the improvement of the people's position with themselves-awakening and their understanding of realities. The reorganization of the "Geum-gun" including "Howi-cheong", "Geumgun-cheong", "Sukwi-so" and "Jangyong-yeong" is unavoidable to strengthen the royal rights that are weaken by deposing the king "Injo". The standing of the existing organizations is changed many times with financial problems. The enthronement of the king "Jeongjo" is a great epoch in the change of the guarding system.
This research shows that Mozi setting forth a military thoughts will be discussed and lighted up in modern value. Mozi's theory on a military was formed in order to protect weak people from the strong in the basis of his philosophy of not attacking. It is different from the art of war for attack. There are some merits in Mozi's strategy of war that we have to take notice of. First of all, Mozi indicated that married women, the old and children was provided with specific roles in the war times. Especially, married women' parts will be equal to men. The old and children should usually be respected for the government to offer them important roles in the war time. Therefore, this paper will be showed in the respect of Mozi's thoughts that is considered as human being's fundamental rights in terms of ensuring the weak's rights. Furthermore, Mozi's theories on technology from loving the civil was applied to defensive fight and his advanced arms was arranged in the actual fight. However, his arms could be useful to the only defensive fight. This case was reflected as Mojia's theories that science is sincerely useful toward the civil. There will be some small or large wars in the future. Mozi's theories based on a military peaceful thoughts that everyone ought to be loved without discrimination should be highly valued when all wars will take place for the purpose of their own profits.
The purpose of this study was to survey the current status of bread menus at school, business and industry (B & I), and military foodservice operations and to analyze dietitians' perceptions of applying rice bread in foodservice menus. A questionnaire, which was developed by content analysis, situation analysis, and in-depth interview, was distributed to 183 schools, 31 B & I operations, and 26 air force dietitians. In the school and B & I foodservices, wheat bread was used much more than rice bread and serving frequencies of morning rolls and sliced bread were higher. The military foodservices, however, served much more rice bread as burger buns than the other groups. For the school and B&I operations, consumer preference for wheat bread was perceived as high. In contrast, soldiers preferred rice bread to wheat bread in the military foodservices. The recognized advantages of using rice bread were different among the three groups. The military dietitians perceived the main advantage of using rice bread as an increase of rice consumption, while the school and B & I dietitians viewed it as promoting a healthy image. In all groups, the primary difficulties for using rice bread were the higher cost of rice bread as compared to wheat bread and a lack of facilities (e.g. oven). The military dietitians had the highest levels of positive and active interest as well as intention and opinions toward using rice bread. On the other hand, the school and B & I dietitians had very positive perceptions of rice bread but did not actually apply it in their foodservice menus. Overall, the results of this study suggest that the development of diverse menus using rice bread along with government support of its use, including facilities with ovens as well as rice bread subsidies, should be carried out for on-going expansion of the rice bread supply.
In the condition of electronic controlled acceleration system, APS Sensor is the only and the most important parts to reflect the will of driver. Especially, the non-reference type APS is the critical part of this system. It can't provide the cross-reference values and it will make the vehicle goes into the 'NMC(Non-moveable condition)' or 'Limp-home mode' on the malfunction situation easier. If the situation is happened, it's very dangerous condition for the drivers, soldiers and war material systems of battlefield. The electronic control is not a necessary system for the tactical vehicles. The tactical vehicles must be prepared the manual control system independently from the electronic control system to escape, save and rescue the soldier's life and war materials. Therefore it was studied the water-penetrated broken APS output. If the output value was changed without driver's will, even the cross-reference type APS, it will effect the uncontrollable engine RPM changing or the performance down on limp-home mode. It means the manual control system of tactical vehicle is needed for any kinds of APS.
Journal of the Korea Society of Computer and Information
/
v.25
no.3
/
pp.33-42
/
2020
There has been difficulties in identifying objects by relying on the naked eye in various surveillance systems. There is a growing need for automated surveillance systems to replace soldiers in the field of military surveillance operations. Even though the object detection technology is developing rapidly in the civilian domain, but the research applied to the military is insufficient due to a lack of data and interest. Thus, in this paper, we applied one of deep learning algorithms, Convolutional Neural Network-based binary classification to develop an autonomous identification model of both friend and foe helicopters (AH-64, Mi-17) among the military weapon systems, and evaluated the model performance by considering accuracy, precision, recall and F-measure. As the result, the identification model demonstrates 97.8%, 97.3%, 98.5%, and 97.8 for accuracy, precision, recall and F-measure, respectively. In addition, we analyzed the feature map on convolution layers of the identification model in order to check which area of imagery is highly weighted. In general, rotary shaft of rotating wing, wheels, and air-intake on both of ally and foe helicopters played a major role in the performance of the identification model. This is the first study to attempt to classify images of helicopters among military weapons systems using CNN, and the model proposed in this study shows higher accuracy than the existing classification model for other weapons systems.
In this paper, an investigation of weapon tracking performance is shown in regard to improving individual weapon performance of aiming objects. On the battlefield, a battle can last only a few hours, sometimes it can last several days until finished. In these long-lasting combats, a wide variety of factors will gradually lower the visual ability of soldiers. The experiments were focusing on enhancing the degraded aiming performance by applying visual tracking technology to roof mounted sights so as to track the movement of troops automatically. In order to select the optimal algorithm among the latest visual tracking techniques, performance of each algorithm was evaluated using the real combat images with characteristics of overlapping problems, camera's mobility, size changes, low contrast images, and illumination changes. The results show that VTD (Visual Tracking Decomposition)[2], IVT (Incremental learning for robust Visual Tracking)[7], and MIL (Multiple Instance Learning)[1] perform the best at accuracy, response speed, and total performance, respectively. The evaluation suggests that the roof mounted sights equipped with visual tracking technology are likely to improve the reduced aiming ability of forces.
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