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양승진,윤종남,최우석,김정식 한국마이크로전자및패키징학회 2003 마이크로전자 및 패키징학회지 Vol.10 No.1
소결온도에 따른 아이솔레이터/서클레이터용 (Y, Ca)-(Fe, V, In, Al)-O 계 YIG 페라이트의 미세구조와 전자기적 특성을 고찰하였다. $Y_{2.1}Ca_{0.9}Fe_{4.4}V_{0.5}In_{0.05}Al_{0.05}O_{12}$ 조성의 시편들을 일반적인 세라믹 제조 공정에 따라 $1300^{\circ}C$, $1330^{\circ}C$, $1350^{\circ}C$, $1370^{\circ}C$에서 각각 소결하였다. 소결체는 XRD를 이용하여 상분석을 실시하였고, SEM을 이용하여 미세구조를 관찰하였다. VSM을 이용하여 포화자화값$(4{\pi}M_s)$을 측정하였으며, FMR(Ferromagnetic Resonance)실험으로 자기공명반치폭$({\Delta}H)$을 측정하였다. YIG 페라이트의 마이크로파 특성은 Network Analyzer를 이용하여 측정하였다. $Y_{2.1}Ca_{0.9}Fe_{4.4}V_{0.5}In_{0.05}Al_{0.05}O_{12}$ 조성의 YIG 페라이트는 $1350^{\circ}C$에서 소결시 가장 높은 밀도값과 포화 자화$(4{\pi}M_s)$ 값을 나타내었고, 가장 낮은 자기 공명 반치폭$({\Delta}H)$ 값을 나타내었다. Microstructural and electromagnetic properties of YIG ferrites, (Y, Ca)-(Fe, V, In, Al)-O for Isolator/Circulator were investigated with the sintering temperature. YIG ferrites of $Y_{2.1}Ca_{0.9}Fe_{4.4}V_{0.5}In_{0.05}Al_{0.05}O_{12}$ were fabricated by sintering at $1300^{\circ}C$, $1330^{\circ}C$, $1350^{\circ}C$, $1370^{\circ}C$. Crystallographic and microstructural properties were measured using XRD and SEM. Saturation magnetization$(4{\pi}M_s)$ were measured using VSM, and FMR(Ferromagnetic Resonance) experiment was conducted to measure ferromagnetic resonance line width$({\Delta}H)$. Microwave characteristics of YIG ferrites were measured using a Network Analyzer. The YIG ferrite of $Y_{2.1}Ca_{0.9}Fe_{4.4}V_{0.5}In_{0.05}Al_{0.05}O_{12}$, sintered at $1350^{\circ}C$, showed higher density, saturation magnetization and lower ferromagnetic resonance line width than those sintered at any other temperature.
양승진,정성지 한국의류학회 2001 한국의류학회지 Vol.25 No.6
The purpose of the study was to investigate and make comparison of brand images of men's wear brands and women's wear brands targeting middle-aged people or older people. Thus, the study could be an exploratory study to march apparel niche-market for middle-aged or older consumers. The questionnaire consisted of questions on 28 brand image. The subjects were to evaluate their brand images and rate on 5 point Likert-type scales of 28 adjectives. Most of the subjects were designers or merchandisers who worked for men' wear brands or women's wear brands. The SPSS/WIN Program was used to calculate frequency, t-test, and cluster analysis. The results from the study were as follow: 1) The common images which men's wear brands and women's wear brands strongly pursued were prestigious, luxurious. 2) Each 37 men's wear brands and 36 women's wear brands were clustered into one groups by brand images. The common images included in first clusters of men's wear and woman's wear brands consisted of prestigious, luxurious, formal, comfort, and conservative. This market needs to be more segmented by differentiated brand images.
의복 디자인 감각 선호와 라이프 스타일의 관련성에 관한 고찰
양승진 淸州大學校 1992 淸藝論叢 Vol.6 No.-
This paper has discussed and summarized the relationship between the image preferences of clothesdesings and the styles of life on the basis of previous studies. The studies done in Korea regarding to the relationship between the image of clothes-designs(or the image of clothes-brand) and the styles of life were as followings ; 1)The revolutionary and fashion pursuing group, actively idea leading type, preferred progressive, modernized, and manish design-feelings. 2)The status symbols recognizing group, brand concious and formal value seeking type, preferred the elegant design-feelings. 3)The improvement pursuing group in practical life, economical and practical type, preferred the casual, manly design-feelings. 4)The group inclined to feminity preferred the womanly elegance, charming images, and full dresses. 5)The group inclined to masculinity preferred the casual, sporty design-feelings. 6)The conservative group preferred the formal design-feelings.
양승진 대한자원환경지질학회 1999 자원환경지질 Vol.32 No.5
Common-mid-point (CMP) seismic data on a dipping layer have have a stacking different from a horizontal layer velocity and the reflection points on data are dispersed to many positions. Therefore, the CMP data are not stacked well by the conventional stacking method using the horizontal layer velocity. The CMP gather can ideally stacked by applying dip-moveout(DMO) processing. Hence, modern seismic processing indludes DMO as an essential routine step. DMO processing techniques are broadly categorized by two, Fourier transform and integral methods, each of which has many different computational schemes. In this study, the dip-decomposition technique of the Fourier transform method is used to test the DMO effect on the synthetic scismic data generated for dipping structures. Each of constnat offset sections NMO corrected by using the layer velocity of the model and DMO processed. The resulting zero-offset sections for many offsets are stacked. The stacked sections with DMO processing show the structural boundaries of the models much better than those without DMO processing.
自轉車 利用 活性化 方案에 관한 硏究 : 全州市를 中心으로 Focused on Chon-Ju
양승진,유응교 全北大學校 附設 都市및環境硏究所 1999 都市 및 環境硏究 Vol.14 No.1
Bicycles are now considered as a useful transportation means to cope with the traffic problems. This study is to propose some proper some proper ways to revitalize cycling from the viewpoints of transportation facilities based on the investigation of present condition and the questionnaire survey for Chon-ju citizens. The conclusion are as follows. First, it is inevitable to settle the major demand of cycling. Second, the bicycle road networks should be organized. Last, various bicycle-related facilities matching with the conditions of Chon-Ju should be equipped.
양승진,유해수,박석재,Yang, Seung-Jin,You, Hai-Soo,Park, Suk-Jae 대한자원환경지질학회 1992 자원환경지질 Vol.25 No.1
An Interpretation technique is presented to determine strike, dip, velocity and depth of 3-D planar layers from refraction or reflection traveltime curve. This interpretation technique determines the direction of emerging ray from the slope of the traveltime curve and traces the emerging ray to the refractor or reflector. The ray direction in the last layer is used to decide the normal vector to the refractor or reflector from whick its dip, strike and velocity are calculated. The vertical depth to the refractor or reflector is computed by using the intercept or zero-offset time and the ray direction in each layer. Some tests on the interpretation method are performed for the sysnthetic traveltimes generated in 3-D model layers and show that the paramerters of the model layers are accurately determined.
탄성파반사자료(彈性波反射資料)에서 지하물질(地下物質)의 음향계수(音響係數) 추출(抽出)
양승진,안대영,Yang, Sung-Jin,Ahn, Dae-Young 대한자원환경지질학회 1986 자원환경지질 Vol.19 No.4
Accoustic impedances of subsurface layers are determined from the amplitudes of reflections from the layers. Densities of the layers can also be calculated from the accoustic impedances in case where velocities are known by velocity analysis of reflection data or any other method. The accoustic impedance is a good information for direct identification of the kind of some subsurface material like coal or oil.