• Title/Summary/Keyword: 일기예보

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과학기술, 그 뿌리와 현주소 - 기상학(중)

  • Hong, Seong-Gil
    • The Science & Technology
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    • v.33 no.3 s.370
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    • pp.62-65
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    • 2000
  • 기상관측에 의한 일기예보가 수치예보로 발전하면서 정확도가 획기적으로 향상되고 있다. 인류가 기원전부터 실시해온 일기예보는 하늘의 징조를 보고 예측하는 한 지점 관측시대, 여러 지역의 관측을 수집하여 예측하는 지상 일기도시대, 대지의 상공까지 관측하는 업체 분석시대를 거쳐 오늘날의 수치 예보시대로 발전한 것이다. 수치예보를 실행하기 위해서는 방대한 조직과 예산, 인원이 필요하며 한나라의 힘만으로는 불가능하여 국가간의 협력이 이루어져야 한다.

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Development of the Weather Forecasting Service System Based on AIN (지능망 기반 음성인식 일기예보 서비스 시스템 개발)

  • Park Sung-Joon;Kim Jae-In;Koo Myoung-Wan
    • 한국정보통신설비학회:학술대회논문집
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    • 2004.08a
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    • pp.262-265
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    • 2004
  • 본 논문에서는 음성인식을 이용한 일기예보 서비스 시스템을 소개한다. 이 서비스는 사용자가 지역명을 말하면 음성인식을 통해 그 지역명을 인식하여 일기예보를 들려주며, 차세대 지능망(AIN: Advanced Intelligent Network)에 구현되었다. 음성인식은 IP(Intelligent Peripheral)에서 이루어지며. 음성인식 실험 결과, 실험실과 시스템 상에서 각각 95.04%와 93.81%의 인식율을 보여 주었다.

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뉴스의 인물 - 신임 기상청장 '문승의'

  • Korean Federation of Science and Technology Societies
    • The Science & Technology
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    • v.30 no.10 s.341
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    • pp.32-34
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    • 1997
  • "기상 예보ㆍ통보때 예보관의 이름을 함께하는 '예보관 실명제'를 도입해 앞으로 일기예보의 적중률을 높이는데 최선을 다하겠습니다" 신임 기상청장 문승의 박사는 다짐한다. 올 여름 우리나라의 이상기상은 엘니뇨현상의 간접 영향이라고 밝힌 문청장은 앞으로 가뭄지수, 부패지수, 시도별 냉난방지수와 자외선지수 등 예보기능을 확대해 나갈 계획이라고 말했다.

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Data analysis for weather forecast system using pressure, temperature and humidity sensors (압력센서와 온습도센서를 이용한 일기예보 시스템의 개발을 위한 데이터 분석)

  • Kim, Won-Jae;Park, Se-Kwang
    • Journal of Sensor Science and Technology
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    • v.8 no.3
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    • pp.253-258
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    • 1999
  • This paper is written for the purpose of obtaining the information about the weather easily by the development of weather forecast system sensing temperature, humidity, and atmospheric pressure as key information. For this, data is obtained from the Weather Bureau, and analyzed in order to set a standard of weather forecast from the collected data. The pressure sensor and temperature-humidity sensor are fabricated using the piezoresistive effect of semiconductor, which are used to collect data. The weather forecast system is made using microprocessor.

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Reliability and Applicability of Weather Forecasts for Irrigation Scheduling (관개계획을 위한 일기예보의 신뢰성과 활용성)

  • 이남호
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.41 no.6
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    • pp.25-32
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    • 1999
  • The purpose of this study is to analyse the accuracy of weather forecasts of temperature, precipitation probability , and sky condition and to evaluate the applicability of weather forecasts for the estimation of potential evapotranspiration for irrigation scheduling. Five weather station s were selected to compare forecasted and measured climatcal data. The error between forecasted and measured temperature was calculated and discussed. The accuracy of temperature forecast using relative frequency of the error was calculated . The temperature forecasting showed considerably high accuracy. Average sunshine hours for forecasted sky conditions were calculated and showed reasonable quality. From the reliability graphs, the forecasting precipation probabililty was reliable. Potential evapotranspirations were calculated and compared using forecast and measured temperatures. The weather forecast is considered usable for irrigation scheculing.

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Development of Near Real Time GNSS Precipitable Water Vapor System Using Precise Point Positioning (정밀절대측위를 이용한 준실시간 GNSS 가강수량 시스템 개발)

  • Yoon, Ha Su;Cho, Jung Ho;Park, Han Earl;Yoo, Sung Moon
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.35 no.6
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    • pp.471-484
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    • 2017
  • GNSS PWV (Precipitable Water Vapor) is recognized as an important factor for weather forecasts of typhoons and heavy rainfall. Domestic and foreign research have been published that improve weather forecasts using GNSS PWV as initial input data to NWP (Numerical Weather Prediction) model. For rainfall-related weather forecasts, PWV should be provided in real time or NRT (Near-Real Time) and the accuracy and integrity should be maintained. In this paper, the development process of NRT GNSS PWV system using PPP (Precise Point Positioning). To this end, we optimized the variables related to tropospheric delay estimation of PPP. For the analysis of the PPP NRT PWV system, we compared the PWV precision of RP (Relative Positioning) and PPP. As a result, the accuracy of PPP was lower than that of RP, but good results were obtained in the PWV data integrity. Future research is needed to improve the precision of PWV in the PPP method.

발명 & 경제

  • (사)한국여성발명협회
    • The Inventors News
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    • no.34
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    • pp.7-7
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    • 2005
  • 루베레의 `일기예보` - 덴함의 `자동판매기` - 새뮤얼의 `자물쇠` - 밥알이 붙지 않는 주걱

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