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金恒俊,金炳基,朴民號 경북대학교 공과대학 1980 工大硏究誌 Vol.9 No.-
In this paper we design a resource sharing system which is an loosely coupled heterogeneous multicomputer system with radial bus configuration. It consists of one host processor and more than two terminal processors. The host processor allows the sharing of hardware resourceses, software and data bases among the terminal processors. This system is implemented with Cromenco microcomputer system.
마이크로컴퓨터 Network을 위한 분산처리 시스템의 설계 및 구현
金恒俊,禹容泰 慶北大學校 1986 論文集 Vol.42 No.-
In this paper, we construct a simplified distributed system for a network of microcomputers. Our system is divided into three phased modules and designed each module separately, and then merged it into single system. At first phase, we design and implement ring type LAN for data communication among nodes. At second phase, we define primitive commands to execute basic function for interfacing between host and kernel processor, thereafter combine these primitive commands to construct system operation protocol. At third phase, we design the File Server which execute critical functions for managing file system in our distributed system. Finally, we merge each module into single system, and consummate simplified distributed system for a network of microcomputers.
김항준,홍순목,박민호 경북대학교 공과대학 1983 工大硏究誌 Vol.12 No.-
syntactic method is a general tool for pattern recognition but it's not good at distinguishing similar object. In this paper, we use attributed grammar to distinguish long nose plier from diagonal cutter, and good experimental results are obtained.
金恒俊 경북대학교 공과대학 1979 工大硏究誌 Vol.8 No.-
Operation of a current source inverter is significantly affected by its operating frequency and directing current. At normal operating condition its output current can be assumed, but at high frequency its operation become unstable. In this paper, a model for single phase current source inverter is developed and analysed by digital computer simulation. And that result can be applyed to all operating condition.
IDOD에 영향(影響)을 주는 환원성호기물에 관(關)한 연구(硏究)
김항준,Kim, Hang-Joon 대한예방의학회 1978 Journal of Preventive Medicine and Public Health Vol.11 No.1
IDOD (Immediate Dissolved Oxygen Demand) is a value of the oxygen demand after 15 minute of inoculation by inorganic reducing salts. Industrial development and urban enlargement are bringing water pollution deeply, and industrial waste waters are the source of the inorganic reducing salts. Author investigated the IDOD value change according to the inorganic salts and gained the following results: 1. IDOD value influenced by $Na_{2}SO_3$ is 81.4 ppm. 2. Generally sulfur compounds are highly effecting on IDOD. 3. The nitrite salt had little influence on IDOD.
김항준 경북대학교 전자기술연구소 1988 電子技術硏究誌 Vol.9 No.1
Logic program offer many opportunities for parallelism due to its internal nondeterminism. In this paper, an parallelism detection algorithm is proposed for parallel processing of logic program. Proposed algorithm derives data dependency graph for each clause at compile time and the resulting dependency graph can be used at run time to manipulate forward and backward execution efficiently.
김항준 경북대학교 전자기술연구소 1983 電子技術硏究誌 Vol.4 No.1
Quadtree representstion of binary image is efficient for region representation but inadquate for boundary representation. In this paper, an algorithm for converting a boundary of a region from quadtrees to chain-codes. This algorithm uses only tree structure for faster processing.
金恒俊 경북대학교 공과대학 1987 工大硏究誌 Vol.16 No.-
In this paper, We discuss an algorithm for the recognition of partially visible two-dimensional object in a gray scale image. Our algorithm uses the local shape of contour segments near critical points as the fundamental feature vectors and the database is implemented using an k-d tree structure. Experimental results showing our algorithm's performance are presented.