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조진호,송규익,조영기 경북대학교 전자기술연구소 1985 電子技術硏究誌 Vol.6 No.1
The range detector output signal of a servoed modulation slope FM/CW rader is analytically displayed as a function of the range and Doppler shift. The influence of important system parameters like modulation frequency, frequency excursion and system loop time constant are also included in the analysis, The Doppler shift compensation is achieved in the output circuit of the period-to-voltage converter by analog-sample data filtering process.
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조진호,유문희,이성팔,김재훈 통신위성ㆍ우주산업연구회 2012 한국위성정보통신학회논문지 Vol.7 No.1
본 논문에서는 ETRI가 개발하여 천리안위성에 탑재한 Ka대역 안테나의 빔 커버지리 검증 결과에 대하여 기술하였다. 위성이 발사 되면 위성체 및 위성에 탑재된 탑재체가 발사 환경과 우주 환경을 견디고 본래의 기능 및 성능을 발휘하는지 확인하고자 In Orbit Test(IOT)를 진행한다. ETRI는 IOT를 통하여 측정한 천리안위성 Ka대역 안테나의 방사패턴이 위성 발사 전에 지상에서 측정한 패턴과 유사한 특성을 보여주고 있음을 확인하였다. 이를 통하여 천리안위성 Ka대역 안테나의 성능이 위성의 발사 환경을 무사히 견디고 우주환경에서 당초 ETRI가 설계한 대로 정상적으로 나오고 있음이 검증되었다. IOT 후에 ETRI는 천리안위성 Ka대역 안테나의 빔 커버리지가 당초 설계한대로 잘 형성되어 있는지 확인하기 위하여 한반도 전역 에서 측정차량을 이용하여 필드측정을 실시하였다. 빔 커버리지를 측정하기 위하여 기준지점인 ETRI를 포함, 한반도 외각 지역 및 제주도를 중심으로 총 17지점을 선별하여 이동 측정차량을 이용하여 필드 측정을 실시하고, 이를 지상시험(CATR) 결과와 비교 분 석하였다. 분석한 결과 천리안위성 통신탑재체의 빔 커버리지가 당초 ETRI가 설계한 대로 한반도 전역에서 정상적으로 형성되어 있음을 확인할 수 있었다.
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당량점 예측 알고리듬에 의한 가성소다 처리 섬유감량 시스템용 자동적정 장치 설계
조진호,진경찬,유병희,구성모,김명남,이종현,이흥락 ( Jin Ho Cho,Kyoung Chan Jin,Byoung Heui You,Sung Mo Koo,Myuoung Nam Kim,Jong Hyun Lee,Heung Lark Lee ) 한국센서학회 1994 센서학회지 Vol.3 No.3
Caustic Soda Treatment Systems need a concentration measurement device in order to monitor the weight reduction amount of polyester fabrics. Since the reduction process requires several concentration measurements, we have to da the unit titration fast and exactly. Therefore, a proposition of estimation algorithm for finding the equivalent point in the titration process is needed. In this paper, we used the cardinal spline algorithm, to estimate the proper curve with the measured pH-values after each injection of titration solution, to predict the equivalent point. While the processing time is elapsed, several equivalent points are estimated and drawed the liars graphe of fabrics weight reduction automatically. Finally. we designed the hardware and the software an automatic titration system that can generate the reduction ending signal of Caustic Soda Treatment System.
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전자 트랜스듀서 방식에 의한 청각보조용 이식형 인공중이 시스템 설계
조진호,송병섭,김명남,원철호,박세광,이상흔 ( Jin Ho Cho,Byung Seop Song,Myoung Nam Kim,Chul Ho Won,Se Kwang Park,Sang Heun Lee ) 한국센서학회 1997 센서학회지 Vol.6 No.6
In this paper, an implantable middle ear hearing aids using an electromagnetic transducer which consists of a tiny coil and a magnet is designed, and objective design method to implement a vibrator of the electromagnetic type transducer is proposed. Sound characteristic of the electromagnetic type vibrator is excellent but power transfer rate is lower than that of a ceramic type. To improve power transfer efficiency of system, external and inner part of a middle ear system is designed using FI\T transmission method. We implemented an experimental set of the designed transducer, inner part, and outer part. Then, we measured vibration characteristics of a metal strip and a temporal bone of a dead body. As the results, we confirmed the advantage of FM method and showed that designed transducer could effectively transmit vibration of amplified input sound pressure to ossicle.
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스포츠 운동중 청소년에서 발생한 내측 반월상 연골의 뿌리 파열 - 1예 보고-
조진호,Cho, Jin-Ho 대한관절경학회 2013 대한관절경학회지 Vol.17 No.1
Root tear of the posterior horn of the medial meniscus can occur from trauma or chronic degeneration, leading to meniscus extrusion, articular cartilage loss, osteophyte formation, and medial joint space narrowing. It is common on middle age with or without minor trauma. We experienced a case of medial meniscus posterior horn root tear in 13 years old boy during baseball game. We performed 1 direct suture anchor repair for medial meniscus posterior horn root tear in adolescent and report clinical result.
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The Communication Satellite Transponder Testing by EGSE System
조진호,이성팔,Jo, Jin-Ho,Woo, Hyung-Je,Lee, Seong-Pal Korea Society of Satellite Technology 2007 한국위성정보통신학회논문지 Vol.2 No.2
EGSE is used to check out satellite payload during the development prior to launch. The EGSE represented in this paper is a test system for Ka band communication transponder of COMS. The EGSE consist of two subsystems as CTS subsystem and PCTS subsystem. Communication Test subsystem (CTS) performs satellite transponder RF performance testing, data analysis and trending. Most of transponder RF performances are automatically tested by the CTS subsystem. Power, Command & Telemetry subsystem (PCTS) monitor telemetry messages from the transponder and send tele-commands to satellite transponder for the configuration change. PCTS also provide simulated S/C power to the transponder during the ground validation testing. The EGSE test functions are verified by the transponder simulator testing and will be used for the flight model transponders testing.
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아두이노를 이용한 Keyless 객실 관리 시스템 설계 및 구현
조진호,황용운,이임영 순천향대학교 산업기술연구소 2018 순천향 산업기술연구소논문집 Vol.24 No.1
Today,with the developement of social network services (SNS), people can across various servioes such as lew-cost airlines end other accommodation services for travel through smart phones. Therefore, ammmodation and services are increaang in many tourist attractions and each region is reviving the local economy by increassing the content of tourists and room service. However,when tourists crowd in limited aoaommoddion, they can overload their work in terms of amommodation management. To solve these problems, we propose a Keyless Room Management System. This item accesses the acommodation service by smart phone, reserves the room, and receives the electronic key for the guest room, and can use the room for the reservadion period with the issued electronic key. As a result, we are able to provide a secure and effident booking system for our dient's managers and tourists.
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