http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
초음파 촉각 구현을 위한 CPLD를 사용한 Shift Register기반 다채널 초음파 집속 지연 제어 방법에 대한 연구
신덕식,박준헌,임영철,최준호,Shin, Duck-Shick,Park, Jun-Heon,Lim, Young-Cheol,Choi, Joon-Ho 한국센서학회 2022 센서학회지 Vol.31 No.5
This paper proposes a shift-register-based multichannel ultrasonic focusing delay control method using a complex programmable logic device (CPLD) for a high resolution of ultrasonic focusing system. The proposed method can achieve the ultrasonic focusing through the delay control of driving signals of each ultrasonic transducer of an ultrasonic array. The delay of the driving signals of all ultrasonic channels can be controlled by setting the shift register in the CPLD. The experiment verified that the frequency of the clock used for the delay control increased, the error of the focusing point decreased, and the diameter of the focusing point decreased as the length of the shift register in the proposed method. The proposed method used only one CPLD for ultrasonic focusing and did not require to use complex hardware circuits. Therefore, the resources required for the design of an ultrasonic focusing system could be reduced. The proposed method can be applied to the fields of human computer interaction (HCI), virtual reality (VR) and augmented reality (AR).
의과대학생 및 의학전문대학원생의 공감 능력과 학제, 학년 그리고 성격의 연관성
이병국,이원혜,박준헌,윤태영,반건호,백상빈 한국의학교육학회 2009 Korean journal of medical education Vol.21 No.2
Purpose: This study investigated the relationship between empathy and medical education system, grades, and personality in medical college (MC) students and medical school (MS) students. Methods: One hundred fifty-five MC students and 137 MS students participated in this study, completing questionnaires on sociodemographic data, Jefferson Scale of Empathy, S-version, Korean edition (JSE-S-K), and Temperament and Character Inventory (TCI). Results: Reward Dependence (RD), Cooperativeness (C), and Self-directedness+ Cooperativeness (SC), which are subscales of the TCI, correlated significantly with JSE-S-K score. Third-year students had significantly higher scores on the JSE-S-K than first-year students. MS students had significantly higher scores on the JSE-S-K and the SC subscale of the TCI than MC students. However, there were no significant differences in empathy with regard to age, sex, motivation toward medical science, club activity, and applied specialty. Conclusion: These results suggest that empathy is associated with personality traits, such as RD, C, and SC, and medical education curriculum contributes incrementally to empathy for students. The difference in test scores for empathy between MC students and MS students might be due to differences in personality traits, such as SC.
Estrogen Receptor 1 유전자 내 2개의 단일염기 다형성과 한국인 여성 정신분열병 환자의 연합에 관한 연구
박진경,이서경,이상민,박준헌,김지영,조아랑,Park, Jin Kyung,Lee, Seo Kyong,Lee, Sang Min,Park, Jun Heon,Kim, Ji Yeong,Cho, Ah Rang 대한생물정신의학회 2007 생물정신의학 Vol.14 No.4
Objectives : Schizophrenia is equally distributed in both sexes. However, later-onset, milder psychopathology, and better outcome are associated with the females. This reason is thought to be partly due to the estrogen system. Recently, it was suggested that estrogen receptor 1(ESR1) gene polymorphisms might affect the expression of ESR1 and were associated with several psychiatric disorders. Thus, we investigated the association between two single nucleotide polymorphisms(SNPs) in the ESR1 gene and Korean schizophrenic patients in this study. Methods : Genotype, allele, and haplotype frequencies of the two SNPs(rs 2234693 and rs 2228480) were analyzed between 218 Korean controls and 158 Korean schizophrenic patients. Also, age of onset and negative symptom scale scores according to genotypes were analyzed in the patients with schizophrenia. Results : There was a significant difference in allele frequencies of rs 2234693 between the schizophrenic patients and the controls(p=0.03). Genotype distributions(p=0.03) and allele frequencies(p=0.01) of rs 2234693 were significantly different between the female schizophrenic patients and the female controls. The frequency of TC-CC genotypes compared with TT genotype in the female schizophrenic patients was significantly higher than that in the female controls(OR=2.36). The mean age of onset in the schizophrenic patients with TC-CC genotypes was significantly lower than that in the patients with TT genotype. The frequency of rs 2234693C- rs 2228480G haplotype in the female schizophrenic patients was relatively higher than that in the female controls. Conclusions : These results of our study support the possibility that the ESR1 gene polymorphisms might be involved in the susceptibility of females to schizophrenia and play a role in sex difference of schizophrenia.
집적화된 분광모듈 구현을 위한 고분자 기반의 비등간격 평면나노회절격자 제작
김환기,오승훈,최현용,박준헌,이현용 한국광학회 2017 한국광학회지 Vol.28 No.2
This paper presents the design and fabrication of a planar nano-diffraction grating for an integrated miniature spectrometer module. The proposed planar nano-diffraction grating consists of nonuniform periods, to focus the reflected beams from the grating’s surface,and an asymmetrical V-shaped groove profile, to provide uniform diffraction efficiency in the wavelength range from 400 to 650nm. Also, to fabricate the nano-diffraction grating using low-cost UV-NIL technology, we analyzed the FT-IR spectrum of a uvcurableresin and optimized the conditions for the UV curing process. Then, we precisely fabricated the polymeric nano-diffractiongrating within 5 nm in dimensional accuracy. The integrated spectrometer module using the fabricated polymeric planar nanodiffractiongrating provides spectral resolution of 5 nm and spectral bandwidth of 250 nm. Our integrated spectrometer moduleusing a polymeric planar nano-diffraction grating serves as a quick and easy solution for many spectrometric applications.
문수진(Su Jin Moon),박준헌(Jun Heon Park),김태(Tae Kim),송지영(Ji Young Song),반건호(Geon Ho Bahn) 대한사회정신의학회 2009 사회정신의학 Vol.14 No.1
목 적: 현재 한국의 정신과 사 년 차를 대상으로 정신과 전공의 수련 과정에서 이루어지는 약물 치료 이외의 치료 방법들에 대한 현황을 파악하고 분석해 봄으로써 앞으로의 다양한 치료 방법들에 대한 정신과 전공의 수련 교육의 내용과 수준, 교육 방식을 설정하고 문제점 및 개선 방안을 모색해 볼 수 있는 계기를 마련코자 한다. 연구대상 및 방법: 두 달 동안 전국 72개 수련병원에서 근무 중인 전공의 사년 차 126명을 대상으로 설문 검사를 실시하였고 총 63명(50%)이 응답하였다. 설문지의 보기에는 총 39가지의 치료법을 제시하였다. 결 과: 현 전공의 사 년 차가 수련 기간 동안 경험한 치료 술기의 수는 최소 1개에서 최대 17개로, 평균 6.9개의 치료술기를 경험하 였다. 지역별 차이(수도권 지역과 비수도권 지역)와 전공의의 치료 술기의 다양성은 유의한 차이를 보이지 않았다. 병원 내 전문의의 수와 연 차별 전공의의 수는 치료 다양성은 양의 상관관계를 맺고 있었다. 전공의 들은 현재 병원 내에서 시행하고 있지는 않으나 관심이 있는 분야로 최면(45%), EMDR(26.7%), 예술치료(21.7%)를 꼽았다. 결 론: 전공의가 경험하는 치료 내용의 양적 및 질적 차이가 줄어들 수 있도록 본 학회는 물론 각 분과 학회의 배려가 필요할 것이다. Objective:The aim of this study was to survey fourth year psychiatric residents' experience about the application of non-pharmacological therapies during their residency training in Korea. This survey may help trainer to determine how psychiatric trainee think about their level of education, content of education, methods of education, and current problems in psychiatric residency training, as well as to reform the non-pharmacological psychiatric therapies. Methods:A total of 63 subjects completed the questionnaires we sent. 39 types of therapy were included in the questionnaire. Results:The results of our survey showed that the total number of therapies that residents were exposed to during their four years of training ranged from 1 to 17 (6.9±3.3). The regional disparity, the nation’s metropolitan area vs non-metropolitan area, had non-significant effect on the diversity of non-pharmacological psychiatric interventions. The number of faculty members and the number of residents were positively correlated with the diversity of nonpharmacological psychiatric therapies. The results of our survey also showed that many residents were interested in other types of non-pharmacological psychiatric interventions that they have not been exposed to, such as hypnosis (45%), EMDR (26.7%), and art therapy (21.7%). Conclusion:It would be necessary to reduce differences of both quantity and quality of therapies experienced among psychiatric residents for improving in residency training system.