http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 류기한 (검색결과 42 건)
- 무료
- 기관 내 무료
- 유료
-
마이크로컴퓨터를 利用한 3相誘度電動機의 速度制御에 關한 硏究
柳基漢 忠州大學校 1984 한국교통대학교 논문집 Vol.17 No.2
The speed control of three phase induction motor using the Microcomputer 8080A is discussed in the paper. The motor is fed from a three phase inverter, the frequency and voltage of which are controlled by the microcomputer. The v/f ration is kept constant up to the rated frequency and the voltage is kept constant above the rated frequency. The interface between the microcomputer and the system is reduced to a minimum.
-
류기한 충주대학교 2006 한국교통대학교 논문집 Vol.41 No.-
As the popularity of multimedia, we need the technologies which bring and print distributed media through network via synchronization. In this paper, we propose a new type of media synchronization technique considered the transmission delay of network or playout delay in signal processor. It realize the multimedia synchronization system.
-
류기한 忠州大學校 2007 한국교통대학교 논문집 Vol.42 No.-
In this paper, we develop a regional information network system that pre-registered users in home or small business can communicate with each other over the personal computers. In other words, it is a group communication system using MAC address and general-purpose system that can be applied to access system such as STM shared method and cable modem. The operation of the regional information network system is given as follows: the ethernet packets received from user terminals are encapsulated in IP packet by edge device. And after the encapsulated packets are filtered by center node device. The filtering operation is based on the MAC address of user terminals.
-
柳基漢 忠州大學校 1987 한국교통대학교 논문집 Vol.21 No.-
The majority of modem are performed by general purpose microprocessor Intel, 8086. Multiplications are performed by simple, low cost multiplier consisting of a few TTL chips A particular attention is paid to signal processing algorithms, which when Properly selected, can singnificantly speed-up signal processing with no influence on accuracy Few possibilities in H/w and S/w design for different signal processing riquirements are briefly discussed. Computer simulation resultes, describing performances of algorithms, are presented as well
-
류기한 忠州大學校 2008 한국교통대학교 논문집 Vol.43 No.-
In this paper, we propose a scheduling method which can guarantee the different QoS (Quality of Service) for each traffic flow in network. It is referred to as Queue Length Control Scheduling (QLCS). In the QLCS, control parameters such as mean and standard deviation of queue length which are based on the target delay of each queue, are previously obtained by M/G/1 model on-line. And then the parameters are exploited to scheduling. We find that the QLCS outperforms other schemes from simulation. The QLCS can achieve the target delay for each traffic flow in wider range than other schemes. We also find that the QLCS can achieve moderate performance even though it is used the different assumption from real packet length distribution or packet arrival distribution in process of obtaining the control parameters.
-
유기결정 meta-Nitroaniline(mNA)의 과냉법에 의한 단결정 성장과 극성 외형의 이상성
류기한,윤춘섭 한국결정성장학회 1997 韓國結晶成長學會誌 Vol.7 No.3
비선형 광학 유기물질 meta-Nitroaniline(mNA)의 고품질 단결정을 과냉법을 사용하여 성장시키는데 처음으로 성공 하였다. 정제한 mNA를 녹인 뒤, 0.1 K의 일정한 과냉각 상태에서 종자 결정을 도입하여 하루 동안 크기가 약 $20{\times}15{\times}15 \textrm {mm}^3인 우수한 품질의 단결정을 성장시켰다. 성장된 결정의 전체적인 외형상 특징은 한쪽 방향으로만 성장했다는 것이다. 성장한 방향으로는 잘 발달된 {111}면과 {021}면으로 형성되어 있으나, 성장하지 않을 반대쪽 방향으로는 결정면이 생기기 않았다. 결정 성장이 이루어지는 방향은 파이로 전기적 방법으로 측정한 결과, [001] 방향으로 판명되었다. 성장된 결정의 결함 구조 특성은 싱크로트론 X-선 topography를 이용하여 조사하였으며, 비선형 광학 특성은 2차 조화파 변환 효율 및 광손상 문턱 값 측정으로 조사하였다. meta-Nitroaniline(mNA) crystals were grown from the supercooled melt for the first time. A seed was introduced into the purified mNA melt of 100 ml 0.1 K above the melting temperature ($T_m$ : $112.0^{\circ}C$) and crystal was grown at constant supercooling of 0.1 K. The melt was stirred . mechanically and the crystal was also rotated while the growth proceeds. mNA crystals of size up to $20{\times}15{\times}15 \textrm {mm}^3 and of very high perfection could be grown for the period of one day. The bottom half of the crystal faces are well-faceted and covered by {111} and {021} faces, while the faces of the top half are not well defined. The overall crystal morphology was characterized by the unidirectional growth along one of the polar axes. The absolute direction of preferred growth was determined to be [001] by the pyroelectric measurements. The perfection of the crystal was characterized by synchrotron X-ray topography and optical characterization was made by measuring second harmonic conversion efficiency.
-
-
류기한 忠州大學校 2005 한국교통대학교 논문집 Vol.40 No.2
NC-PRMA(Non-Collision Packet Reservation Multiple Access) is well known that it outperforms PRMA(Packet Reservation Multiple Access) in throughput since NC-PRMA has no collision of packets and employ reservation of the slot. However, NC-PRMA is only considered to voice traffic up to now. So, in this paper we consider the characteristics of NC-PRMA operating in both voice and data traffic. we apply throughput analysis scheme in equilibrium state used in PRMA to NC-PRMA. we examine the throughput and the voice packet dropping probability throughput analysis and simulation. The result show that NC-PRMA operating in both voice and data traffic outperforms PRMA in throughput and voice packet dropping probability
-
류기한,서홍택 충주대학교 산업대학원 2002 大學院論文輯 Vol.3 No.-
With the tremendous growth of PC market and enhancement of computing ability, the whole of our life has changed considerably. Now, there are lots of effort to interconnect the grown computing environment and implement communication function to make the working environment more effectively. In this paper, we studied the architecture, features, and interoperability of the ATM and xDSL technologies that remarkable in data communication network these days.
-
류기한 忠州大學校 2011 한국교통대학교 논문집 Vol.46 No.-
It is well known that total throughput of LANs are limited by flow control functionality of TCP layer when LANs are communicate with each other through IP router. In this paper, to increase total throughput of a system, in which WAN and LAN are communicating with each other, we consider TCP gateway for broadband ATM network and investigate how to design it. Furthermore, we show that the proposed TCP gateway can improve throughput of Ethernets in ATM network. More specifically, total throughput of Ethernets by exploiting TCP gateway can be improved up to 7.3Mbps as compared to the existing scheme using IP router, as well as maintaining backward compatibility with conventional application layer.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
