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임베디드 리눅스를 이용한 이동체 추적 안테나 시스템에 관한 연구
김종권,우귀애,조겸래,이대우,장철순,Kim, Jong-Kwon,Woo, Gui-Aee,Cho, Kyeum-Rae,Lee, Dae-Woo,Jang, Chul-Soon 한국항행학회 2004 한국항행학회논문지 Vol.8 No.1
In This paper the embedded linux based embedded control system was used and the tracking antenna system was studied for data link and communication between moving vehicles. A microprocessor based embedded controller is equipped with SA-1110 board and this embedded controller can control the azimuth and the elevation angle of the antenna. The relative position and attitude for pointing are calculated by using the GPS position signals from the moving vehicle. To verify the performance of the designed embedded antenna system, the orbit information of the Arirang satellite(from KARI) is used.
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김종권,Kim, Jong-Kwon 한국재무관리학회 1999 재무관리연구 Vol.16 No.1
이 논문은 거시경제변수가 유럽, 호주, 한국의 주식시장 변등성에서 시간에 따른 변화(Time Variation)를 설명할 수 있는지에 관하여 조사하는 데에 목적을 두고 있다. 그리고 이 논문은 미국에서 발표된 논문들의 결과와 달리 많은 경우에서 주식시장 변동성의 시간에 따른 변화가 과거의 화폐적 또는 실물적 거시경제 요소의 변화 가능성에서 통계적으로 유의하게 영향을 받는 지를 알 수 있었다. 따라서 자본 및 포트폴리오 배분에 대한 중요한 의미를 가지고 있다. 한국의 경우 경제회복에 따라 통화와 산업생산의 변동성 증가가 이뤄지면 주식시장의 성장에 중요한 역할을 할 수 있을 것이다. G7 국가 중에서 상대적으로 소규모국가인 이태리와 네덜란드에서도 위에서와 같은 결과들을 발견할 수 있었다. 한편 한국에서 특이한 점은 경제회복 이후에는 산업생산증가율의 증가가 통화량의 증가보다 더 주식시장에 중요한 영향을 줄 것임을 알 수 있다.
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미국시장에 대한 한국의 수출증대와 단기무역보험의 연관성 분석
김종권(Jong-Kwon Kim),유광현(Kwang-Hyun Yu) 한국무역연구원 2020 무역연구 Vol.16 No.1
Purpose- This paper is related to study the relations between Korea’s export growth and short-term trade insurance acquisition rate relative to the Korean economy. Because Korea has an export-oriented trade structure, the economic ripple effect of the US market on the Korean economy is enormous, and therefore this study is relevant. Design/methodology/approach- This study conducted various analyses, starting with basic statistics such as average statistics and standard deviations. Second, the data was examined through regression analysis, and lastly, the Granger’s Causality test was conducted. Findings- Findings showed that the average increase and decrease of the acquisition performance of short-term trade insurance is 27.73%, and the average of total US export rate increase and decrease is 3.91%. The standard deviation of the short-term trade insurance acquisition rate was 121.51%, and the standard deviation of the total US export rate was 16.52%. In view of current uncertainties in the external economy, the role of short-term trade insurance seems to be important. Secondly, through regression analysis a decrease in interest rate leads to a positive effect by strengthening export competitiveness due to reduced export companies’ costs, and ultimately, this translates to an increase in total exports. Third, the results of the Granger’s Causality test show that the short-term trade insurance acquisition rate and the U.S. export growth rate are mutually influential. Research implications or Originality- In 2020, Korea’s economic situation is foreseen to be characterized by heightened uncertainty due to external economic conditions and dynamism in its various economic variables. The U.S. economy can continue its boom during the year similar to the period before 2019. Accordingly, it is a meaningful attempt to analyze the relationship between Korea’s export growth and the short-term trade insurance acquisition rate as these have a bearing on US exports. In conclusion, this study implies that we should not overlook the importance of short-term trade insurance in terms of the various credit and market risks in Korea’s exports and the implications of such on the overall Korean economy.
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USMCA의 북미시장에서 무역 및 관세율 변화가 한국무역에 주는 영향의 연구
김종권(Jong-Kwon Kim) 한국관세학회 2021 관세학회지 Vol.22 No.2
There is a phase that it may bring about fluctuations in Koreas investment and trade patterns with a new government in the United States in 2021. Accordingly, the purpose of this study focus on the implications of the Korean economy through a research on the relationship between trade and tariff rates in the USMCA and North American markets with Korea. Some preparations for the environmentally friend changes and the strengthening of labor laws are laid for Korean companies, especially in the U.S.. of the North American market. Accordingly, it was estimated from 2020 to 2024 based on the export growth rate performance value (1958 to 2019) based on the customs clearance standard of Korea in Mexico by the ARIMA (1,1,0) model. As a result of this, it is believed that exports will improve slightly during the period. The results of the cross correlation coefficient between the rate of tariffs imposed on steel-related items in Mexico and the export growth rate based on the customs clearance standards for Mexico by Korea are at the same time as cross correlation coefficient -0.9707 from 2020 to 2024. This means that if a reduction in the rate of imposition of tariffs on steel-related items in Mexico is made, it can immediately have a positive effect on the export growth rate for Mexican from Korea. The US trade policy on leading the market in North America is environmentally friendly, strengthens labor rights, and changes in policies related to proof-of-origin under the USMCA system. Therefore, countermeasures of Korea are increasing the proportion of local production in the US market including Mexico, especially Cars, automotive materials and parts, and promising expansion of other export fields after the pandemic and suitable measurements about changes in the trade.
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김종권(Jong-Kwon KIM) 한국무역상무학회 2020 貿易商務硏究 Vol.85 No.-
대외무역의 불확실성으로 말미암아 수출다변화와 다양한 품목들에 대한 수출방안이 제시되고 있다. 이에 따라 추진되고 있는 신남방(ASEAN) 지역에 대한 무역과 이와 연관되어 있는 무역보험이 중요한 역할을 할 수 있을 지 연구가 필요한 시점이다. 따라서 본 논문에서는 무역보험 중에서 신남방(AESEAN) 정책과 특히 관련성을 갖고 있는 중장기 무역보험과 이 지역과 연계성이 높은 기계산업 수출의 변수를 선정하여 분석하였다. 실증분석에는 벡터오차수정모형에 의한 그랜져 인과성분석, 충격반응함수에 의한 분석, 분산분해 분석 등으로 실시한 것이다. 결론적으로 연구를 토대로 살펴보면 신남방(AESEAN) 지역에 대한 기계산업 수출 증대 정책의 실효성에서 중장기무역보험의 역할이 중요하고 이와 같은 측면은 향후에도 지속될 것으로 판단된다. Uncertainties in foreign trade have led to export diversification and export options for various items. Therefore, it is time to study whether trade in the ASEAN region and the related trade insurance can play an important role. Therefore, this paper selected and analyzed the mid or long-term trade insurance which is particularly relevant to AESEAN policy among the trade insurance, and the variables of machinery industry exports that are highly related to this region. The result of the cross correlation analysis showthat themid-to long-term trade insurance acquisition growth rate has a cross correlation of 0.54with one month precedence over the export growth rate of themachinery industry. The empirical studies were structured through impulse response and variance decomposition, Granger causality analysis by vector error correction model. According to theGranger causality analysis, Treasury bond yields (3 years) and inflation rate have an one-sided influence on inflation rate and machine industry export growth (ASEAN), respectively. The result of the analysis by the impulse response functionshowedthatmid-to long-termtrade insurance acquisition growth rate stabilized after lowest point over three or fourmonths due tothe upsurge of Treasury bond yields (3 years). According to the result of the variance decomposition analysis of themid-to long-term trade insurance acquisition growth rate, the impact of the mid-to long-termtrade insurance acquisition growth rate is expected to be greatest in the short and mediumto long term. In conclusion, based on the study, the role of mid- to long-term trade insurance is important in the effectiveness of the policy of increasing machinery industry exports to theAESEANregion, and this aspect is expected to continue in the future.
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수출입통관에서의 블록체인 기술 활용 증대 가능성에 관한 연구
김종권(Jong-Kwon Kim),유광현(Kwang-Hyun Yu) 한국관세학회 2020 관세학회지 Vol.21 No.4
As the rate of increase in the e-commerce market is rapidly accelerating, it is a reality that blockchain technology is attracting global attention in import and export customs clearance and cross-border distribution and payment. This is because the main advantages are speed, transparency, and safety according to the risk prevention function. When such a blockchain technology is introduced, declarations are processed more quickly in the import and export customs procedures electronically, and original documents are shared among import and export companies in real time. Therefore, we would examine the possibility of increasing the use of blockchain technology for import and export customs clearance through this study. Based on IDATE Digiworld (2019) data from 2020 to 2025 through observations in the time series, it was estimated by the ARIMA (1,1,0) model by 2030. Accordingly, the estimation was resulted as a international trade contribution by decentralization of technology data by blockchain, improvement of payment method and tracking system and improvement of safety, application of the credit method of technology through blockchain, and maritime transport insurance. The degree of contribution of blockchain technology by improving efficiency, improving electronic proof of origin, and preventing fraud was analyzed. Accordingly, it was estimated that blockchain technology wouldl improve or contribute to import/export customs clearance from 1.48 times to 35.71 times for the aforementioned items from 2020 to 2030. In addition, blockchain technology will continue to further converges with technologies such as AI and big data, thereby contributing to the improvement of the countrys electronic customs clearance system and the increase in exports.
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