This study investigated data on beef dietary consumption during the Joseon Dynasty Period, including「the Annals ofthe Joseon Dynasty」,「the Diaries of the Royal Secretariat」, and「Ilsongnok」. Beef stands for superstitions as well asrespect, broad-mindedness, exquisite culinary taste, and is a symbol of taste. In the historic record, we found two extremelyopposite trends; specifically, Ugeum (牛禁, forbidding beef consumption and indulgence in beef). On the one hand,believing that they were the rudimentary foundation to Korea’s agriculture, Joseon authorities tried to protect cows and bullsas valuable agricultural assets. Meanwhile, there were several officially sanctioned beef consumption events in the Joseonperiod. These included Jesu (祭需, food for ancestral rites), Daejup (待接, servings), Hasa (下賜, bestowment), and Hogue(饋, comforting soldiers with culinary methods). These included offerings to the departed spirits, servings, bestowment,and comforting soldiers with culinary methods. Especially in Joseon’s Yeonhang (燕行) Journals, we can see different beefdistributions and preferences between Japan and China. Furthermore, The Annals of the Joseon Dynasty even addressedthe general issue of beef treatment; special methods for beef processing, beef distribution, tool materials, and prices of beef.

During the late Chosun Dynasty, famine was the main cause of climate ecological background, such as frequent floods and droughts, the Little Ice Age (小氷期), and epidemic. In addition, it influenced the social and cultural background, such as failure toprovide Yiangbeop (移秧法), breakout of war and revolt, loss of farming cattle, grain consumption due to brewing, the concentration of wealth, and tenacity of shamanism. "Limwongyungjeji" "Injeji" of the last part had been written about the famine; wild plants to raw, dried, or dried powder, or processed pharmaceutical goods. Grain couldbe replaced in more than 330 types of famine relief food and recipes; 170 species of vegetables, 34 species of vegetation, and 33 kinds of fruit - the botanic foods were mainstream. Edible parts of these plant foods are those of 14 kinds: 175 species of leaves, 113 species of sprouts, 99 kinds of buds, and other fruits, roots, stems, flowers, etc. The recipe (poaching, salting, and oil-marinated) was written 186 times or forsoup, raw, and boiled.

We made a study on real-time determination method for relative position using the laser-measured distance data between satellites. We numerically performed the determination of relative position in accordance with extended Kalman filter algorithm using the vectors obtained through nonlinear equation of relative motion, laser simulator for distance measurement, and attitude determination of chief satellite. Because the spherical parameters of relative distance and direction are used, there occur some changes in precision depending on changes in relative distance when determining the relative position. As a result of simulation, it was possible to determine the relative position with several millimeter-level errors at a distance of 10 km, and sub-millimeter level errors at a distance of 1 km. In addition, we performed the determination of relative position assuming the case that global positioning system data was not received for long hours to see the impact of determination of chief satellite orbit on the determination of relative position. The determination of precise relative position at a long distance carried out in this study can be used for scientific mission using the satellite formation flying.