http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
최일호,이정남,박종권 한밭대학교 2008 한밭대학교 논문집 Vol.6 No.1
본 논문에서는 digital video broadcasting-handheld(DVB-H) 단말기를 위한 내장형 루프 안테나 를 제안하였다. 제안한 안테나는 미앤더 루프와 두 개의 개방 스터브, 4소자 매칭회로로 구성되어 있다. 이 안테나는 폴더형 단말기의 상부 케이스의 내부 또는 외부에 인쇄 될 수 있다. 안테나의 전기적 길이를 늘 이기 위해서 미앤더링 기법을 사용하였고 고주파 대역올 차단하기 위해서 두 개의 개방 스터프를 사용하 였다. DVB-H 대역의 임피던스 대역폭을 향상 시키기 위해서 4 개의 집중정수소자를 사용한 정합회로를 이용하였다. 제작한 결과 시율레이션 데이터와 측정 데이터가 거의 일치 하였다 또한 동작 주파수에서 방 사패턴과 안테나 이득이 매우 좋은 특성을 보였다. In this paper, An intemal loop antenna for digital video broadcasting-handheld (DVB-H) tenninals is proposed. The antenna consists of the modified rectangular loop, the two open stubs, and a four element matching circuit (L-type circuit + parallel resonance circuit). The antenna can be printed on the inside or the outside of theupper case of the folder-type mobile phone. We have used themeandering technique to increase the electrical length of the antenna and two open stubs for tuning the high frequency edge of the DVB-H band. To more improve the impedance bandwidth of the DVB-H frequency band (470 - 702 MHz), a four element matching circuit is used. Moreover, by fabricating the antenna, the simulations results are verified by experimental data. Also, good antenna performances such as radiations pattems and antenna gains over the operating frequency band have been observed.
이종(異種)의 전투기동차량 간 전술정보 연동 방안 검토
최일호,노해환,송충호 한국군사과학기술학회 2022 한국군사과학기술학회지 Vol.25 No.2
Modern Battle Fields are covered with various weapon systems, such as tanks, infantry vehicles, or artillery vehilces. In such environment, it is important to take it into consideration what kind of efficient method should be developed to communicate with heterogeneous friend combat systems for the exchange of tactical information aqcuired because military operations require coordinated actions. For this purpose, we made a research on tactical information equipments such as Battlefield Management Systems(BMSs) equipped in multiple kinds of Mobile Combat Vehicles(MCVs). The exchange of tactical information could be divieded into separate domains, such as connectivity, messages, and recognition processes by operators. In this article, we will deal with wireless radio connectivity, KVMF messages, and User Interfaces showing shared data.
최일호,노해환,손원기,Choi, Il-Ho,No, Hae-Whan,Son, Won-Kee 한국군사과학기술학회 2020 한국군사과학기술학회지 Vol.23 No.1
Enemy information has significant value when it comes to the process of military actions in battle field. Our Army now uses Battlefield Management Systems(BMSs) equipped in Ground Fighting Vehicles(GFVs) and we need to make research on what kind of role enemy information can play in such systems. Also, enemy information can be shared among GFVs and target information shall be extracted from it in view of KVMF scheme. Because KVMF becomes requisite standard in modern BMSs, we need to implement target information handling process in KVMF standard. In this article, we will focus on how target information and its sharing process can be managed efficiently without information conflicts. Also, situation map produced by it will be noted.