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차주완 ( Joo Wan Cha ) 한국군사학회 2011 군사논단 Vol.66 No.-
The purpose of this paper is to configure how North Korea`s traditional united front tactic is recreating itself on the cyberspace from 2000 onwards and lay out appropriate responses to this new threat, based on the analysis of the deployment of the tactic from 1945 to 2000. The united front tactic is an organizational affiance tactic most often used by communists through which they acquire sympathizers to form a coalition capable of fighting when their power alone is insufficient to overwhelm their main enemy. North Korea has been consistently using this tactic since 1945. The reason that this tactic has been adhered to throughout the Kim Ii Sung and Kim Jong Il era is because it was considered that the tactic could be a catalyst for communist reunification when combined with democratization movements and strong desire for reunification in South Korea. As the new millennium beckoned, the decline in South Korean`s hostility towards North Korea as well as the spread of internet led to increased room for Linkage with and the generation of pro-North forces. Such changes in the climate brought about the replacement of traditional tactic with the cyberspace tactic. Therefore, it amounted to an integrated form of traditional and cyberspace tactics. According to the analysis on ``ku kuk jun sun`` run by ``Anti-Imperialist National Democratic Front``, a detailed struggle directive is posted on pro-North web sites operating abroad, copied onto South Korean sites to be viewed by South Korean web users. North Korea believes that in this way, the South Korean public can be swayed by the pro-revolutionary sentiment by participating in posting replies, which fulfills the purpose of the united front movement itself. When the time is ripe for some action, solidarity coalition is used as the strategic tactic of the united front tactic and the propaganda itself becomes the united front operation. North Korea`s online operation had an effect on offline solidarity coalition and joint struggle as evidenced by candlelight demonstrations against the imoprt of American beef in 2008. Multitudes of internet users participated in nationwide demonstrations held under the title of ``cultural festivals``, provoking chaotic scenes at Gwanghwamun. Thus the decisive dominance of the progressive forces initiated by solidarity coalition was established. The effect of North Korean cyberspace tactics on South Korea`s security has been as follows: first, sentimental reunification discourse has spread by distorting the public`s security awareness, second, South Korea has now come to fight enemies from within and without as a result of pro-North forces` maneuvers, third, negative public poinion against ROK-US alliance and the military in general has proliferated.
차주완 ( Joo Wan Cha ) 한국군사학회 2013 군사논단 Vol.75 No.-
After the 8.15 Korea Liberation, the situation of Republic of Korea was worse off than that of North Korea, but developed dramatically through modernization and has become the tenth leading nation in terms of trades. Republic of Korea earnestly hopes for liberal democracy but North Korea has not given up their delusion of unification under communism and Pro-North Korean leftist force in Republic of Korea follow North Korean ideology unconditionally operating under North Korea`s revolution protocol. Pro-North Korean leftist force is a group of activists who deny free market capitalism which is clearly stated in the constitution of Republic of Korea and try to threat, destroy and overthrow this according to Marxism and North Korea`s revolution protocol. People`s democracy and ‘Juche ideology` arc their basic ideology and operating to achieve the goal of construction a socialist nation accordingly which is the same as North Korea Pro-North Korean leftist force follows ``self-independent, democratic, unified`` value of North Korea``s struggle against Republic of Korea. The main direction of their struggle is anti-US, anti-ROK, anti-capitalism and pro-NK. They lead a propaganda, mainly targeting laborers, farmers, students, community leaders, and public of various classes and society, They support and spread the ideology of North Korea, deny the history and legitimacy of Republic of Korea and denounce Republic of Korea government as the slave of US government. They lead a struggle against Republic of Korea government, worship North Korea system and its leader in public. Besides, they strengthen cyber struggle, military struggle and cyber and an struggle. North Korea is building a revolutionary part)`` in South Korea, which is composed of mostly laborers and farmers with public of various class to support in its mission to liberate the public and transform into people`s democracy, Pro-North Korean leftist force is not laborers or farmers but social parties, groups, or student parties playing a supportive role in North Korea`s revolution to unify Republic of Korea and North Korea. North Korea tries to unite with these supporting leftists in the South in order to battle Republic of Korea government. As it has been pro\?en in the ``Minhyukdang`` and ``Wangjaesan`` cases, some Pro-North Korean leftist force have received direct orders from North Korea and in the case of ``mad cow disease demonstration`` various leftists groups formed a union and led demonstrations nationwide creating a crisis for Republic of Korea government. Explicitly, North Korea appears to have created no threat, but implicitly, has controlled leftist groups from behind and created a serious security crisis in Republic of Korea. Therefore, Pro-North Korean leftist force is inside enemies. They have rooted in our system and has become a group of strong social force with an ability to control the media and lead propaganda. If they ever become the major part), in the national assembly or win 3 presidential election, they will unite with North Korea and Republic of Korea will be heavily shaken deep right from its foundation. Now we must clearly realize the danger of these Pro-North Korean leftist force educates our citizens on what the truth is enact policies that will harness and regulate the leftist groups more strongly cut off their funding, isolate them from both our citizens and North Korea, raise the right wing with sound value to resist and opposite the leftists. The enemy inside is always more dangerous than the one on the outside.
차주완 ( Joo Wan Cha ),윤홍주 ( Hong Joo Yoon ) 大韓遠隔探査學會 1999 大韓遠隔探査學會誌 Vol.15 No.1
구름 수액량은 일기예보나 수치예보 모델링 분야에 매우 중요하다. 그리고 중간규모의 기상현상에서 잠열의 크기를 좌우하며, 여러 규모의 기상 관련 모델 시스템을 개발 할 때에도 중요한 요소로 작용한다. 본 연구에서는 GMS-5 자료를 이용하여 구름 수액량을 추정하고, SSM/I 자료와 지상 마이크로파복사계에 의한 구름 수액량과 비교하였다. 먼저, 본 연구는 구름알베도와 구름 두께와의 관계를 찾아내고 이 관계를 이용하여 구름 수액량을 계산하였다. 그리고 여기서 구해진 결과를 SSM/I 자료와 지상 마이크로파복사계에 의한 구름수액량과 비교하였다. GMS-5 자료와 지상 마이크로파복사계에 의한 구름 수액량값의 상관계수는 0.86, RMSE는 9.23 mg/cm2로 나타났고, SSM/I 자료와의 상관계수는 0.84 RMSE=14.02 mg/cm2이였다. The CLW (Cloud Liquid Water) is a parameter of vital interest in both modeling and forecasting weather. In mesoscale models, the magnitude of latent heat effects corresponds to the amount of CLW, which is important in the development of a certain weather system. The goal of this study is the estimation of CLW by GMS-5 data which is compared with that of SSM/I data and GMR (Grounded Microwave Radiometer) data. First of all, we found out the relationship of cloud albedo to cloud thickness, and calculated the CLW using the result of the relationship. The CLW amount of SSM/I or GMR and that of GM5-5 were compared, respectively. The correlation coefficient was about 0.86 and RMSE was 9.23 mg/cm2 between GMS-5 data and GMR data. And also the correlation coefficient was 0.84 and RMSE was 14.02 mg/cm2 between GM5-5 data and SSM/I data.