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탑재비행시험 데이터를 이용한 PFA 및 기하오차 보상 알고리즘 검증
손인혜(Inhye Son) 한국정보기술학회 2018 한국정보기술학회논문지 Vol.16 No.5
SAR is a radar that can acquire high resolution images independently of day and night and weather. The synthetic aperture is created by sending and receiving pulses as the platform moves. Through the synthetic aperture, SAR systems process high-resolution images. There are representative algorithms for processing of high resolution images. First, PFA(Polar Format Algorithm) is signal processing algorithm by converting received signals of polar format to rectangular format signals. Second, RMA(Range Migration Algorithm) applies virtual line for motion compensation and Stolt Interpolation. Third, OSA(Overlapped Sub-aperture Algorithm) acquires high resolution image by combining low resolution images of sub-aperture. This paper demonstrates the performance of PFA and geo-correction algorithm through to simulation. In addition, we apply real data of captive flight test to this algorithm and check the image processing steps.
양윤정(Yang Yeunjung),주현옥(Ju Hyeonok),임경희(Lim Kyunghee),박연정(Park Yeonjung),손인혜(Son Inhye),이은남(Lee Ennam) 기본간호학회 2006 기본간호학회지 Vol.13 No.1
Purpose: This study was done to identify the differences nursing needs and satisfaction with medications in patients admitted to hospital. Method: The participants were 258 patients admitted for 3days or more to D hospital. The data were analyzed using frequencies, percentages, means, standard deviations, t-test and ANOVA, SPSS-WIN 11.0 was used to assist analysis. Results: The results are as follow: 1. Variables effecting nursing needs were education and economic level. All scores of nursing needs were higher in the group with less than middle school education compared to those with high school education or higher. 2. The scores for nursing needs were higher than the score for satisfaction in common item and injection domains. The scores for nursing satisfaction were higher than nursing needs in the oral medication domain, 3, The item with the highest difference between the scores for nursing needs and satisfaction was 'I want to know the side effect of the drugs'. Conclusion: Patients admitted to hospital want to know the therapeutic effect, side effect and reason for their drugs. However satisfaction with medication was not equal to needs. It is necessary to emphasize clinical pharmacology in nursing education programs.