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이창식,박화성,박상남,김상용,박광섭,이동열 대한신경외과학회 1989 Journal of Korean neurosurgical society Vol.18 No.6
The authors report the clinical features, radiologic findings and the operative management of three patients with tentorial free edge meningioma. The frequent symptoms and signs were headache, facial pain, tinnitus, dizziness, increased intracranial pressure and cranial nerves deficits. Tentorial free edge meningiomas are not only very rare but also very difficulty in total removal without complications. In this presentation, we are discussed the nature of this tumor and operative technique with review of literature.
이창식 대구대학교 산업기술연구소 1987 産業技術硏究 Vol.6 No.-
Because of the frequent occurrence of such dependent sources in analysis and synthesis of electronic circuits and other applications of network theory, it is very useful to realize transducers as basic elements. A number of methods exist for realizing a current transfer function by active networks. However, relatively few methods are available for the synthesis of a current transfer function. In this paper modeling circuits of current controled current source and general impedance converter are proposed and realized by operational amplifiers. Proposed circuits has good linear characteristics. Analysis of proposed circuits are coincident with the result of the experiment.
이창식 대구대학교 (한사대학) 산업기술연구소 1994 産業技術硏究 Vol.13 No.-
A microwave low noise amplifier is designed and fabricated using GaAs FET. In amplifier design, minimum noise figure and maximum power gain cannot be obtained simultaneously, we must compromise between the noise figure and gain performance. The amplifier characteristics are simulated and optimized by using TOUCHSTONE. The resulting noise figure and the gain are 1.2dB and 28 dB respectively with the 15dB input, output reflection.
李昌植 동국대학교 대학원 1987 大學院硏究論集-東國大學校 大學院 Vol.17 No.-
In this paper I researched the process of romanticism in our poetic history on the assumption that the romantic trend in our literature was understood. Korean romanticism was classified into fantasticism and sentimentalism. First of all, the spirit of that ages had a role in the literary romantic experience. It was assumed that `Folk Poetry Group' in 1920's led the romantic movement. Kim Sowal and Hong Sayong of the Folk Poetry Group developed it within our own tradiiton and took the shape of `korean romanticism'. On the other side Jo Yo han, Kim Uk, and Kim Dongwhan represented `Idealized' romanticism under the influence of European poetry or idealogy of `Pro' movement. So the former had the character of group romanticism and universalism with a little individual differences and had the character of individual romanticism nearing no relation to real life situation. In conclusion, it paved the way for modern poetry in our poetic history according as the movement from conscious Folb poetry of 1920's to unconsciousness.