forecast accuracy 中文意思是什麼
forecast accuracy
解釋
預報精度-
With a modest level of accuracy gilman 1985 ; livezey 1990 ; barnston 1999. users should not expect that seasonal forecast will be an accurate indicator for a single event
它預測大范圍內氣候距離正常多少有一定的準確gilman 1985 ; livezey 1990 ， barnston 1999 ，但並不能準確地預測某一天氣事件。 -
The results show that model resolution is crucial to the precipitation forecast, and orographic accuracy is found to be essential to both the location and the amount of the precipitation for this case
通過一系列不同模式解析度和不同精確度地形高度的敏感性實驗，發現模式的解析度對降水的預報起決定作用，同時，地形的精確度也可以改變降水的分佈和強度。 -
Although the accuracy in meterological forecast of tropical cyclones has been distinctly improved, it is still a difficult problem confronting masters and anti - typhoon team leaders of the companies how to steer clear of typhoon reasonably and safely in case that the actual resistance to typhoon is strong enough, the sea area wide enough, and the time permitting ; to avoid unreasonable deviation, anchoring for shelter, blindly rushing onto her path, being involved in storm area, even into the the center of typhoon ; under the limitation of the condition of the sea area and time. how to take correct meassures to escape, such as navigating with wind or windward in bias angle, slowing down, anchoring, berthing alongside the warf, mooring to buoy, etc. as early as possible
盡管氣象部門對熱帶氣旋監測預報的準確率已經比過去有了明顯的提高，然而船舶在海上如何避離臺風，如何做到在本船實際抗風能力允許、海域條件允許、時間也充裕的前提下合理避臺，安全避臺，避免不合理的繞航、 「扎風」 ，避免盲目冒進「搶風頭」 ，更避免被捲入強風區甚至臺風中心；在海域條件受限、時間尷尬的情況下又如何正確採取偏順航、偏頂航、滯航、錨泊、系岸、系浮等抗臺措施和技術，盡快擺脫臺風的影響，仍然是擺在船長和公司防抗臺領導小組面前的一個實實在在的難題。 -
Study on improving peak flood forecast accuracy with svm model
提高支持向量機洪水峰值預報精度研究 -
The forecast accuracy was proved to be satisfactory with an error ratio less than 6 %
檢測了模型的預測精度，結果顯示誤差小於6 % 。 -
The predicted results show that the optimization weighted array model improves the forecast accuracy
預測結果表明，優化加權組合模型可提高預測精度。 -
Coordinate with regional sales people &. dhl store keeper for day to day operation, including stock / item availability, forecast accuracy, stock movement
與喜力的銷售部門及dhl倉庫人員協調每天的運作，含可供量，預測準確性及庫存變化。 -
Thus, inversion reliability and accuracy of multiparametric identification can be enhanced. then, based on the direct back analysis program dbapm of japan edition in construction forecast, the constrained optimization back analysis program cobap is developed. and the more reliable and accurate inversion forecast can be obtained when cobap is used in information construction and design in geotechnical engineering
基於上述研究，在日本版的施工預報直接反分析程序dbapm基礎上，擴充編製成了約束優化反分析程序cobap ，通過dbapm程序和cobap程序的數值反演比較及工程應用，說明cobap程序在信息化施工與設計領域具有更為合理可靠的反演預報功能與應用價值。 -
This system adopts cumulatively autoregressive moving average model [ arima ] of time series method and modified model gm ( 1, 1 ) of grey system, makes a local load forecasting modeling through the integration of the above two models and also preprocesses the daily load during the sudden change of climate, thus greatly improving the forecast accuracy. the practical operation indicates that the model is reasonable and easy to operate with complete function
本系統在經過反復試算后，在演算法上採用了時間序列法的累積式自回歸動平均模型（ arima ）與灰色系統中的gm （ 1 ， 1 ）改進模型，並將兩種模型組合用於該地區負荷預報建模，另外還對氣候急變日負荷進行了預處理，大大提高了預報準確度。 -
The competent meteorological departments at different levels and the meteorological offices and stations subordinate to them shall issue public meteorological forecast and severe weather warning with improved accuracy, timeliness and service
各級氣象主管機構及其所屬的氣象臺站應當提高公眾氣象預報和災害性天氣警報的準確性、及時性和服務水平。 -
Results show that a three - stepwise weight function correction method is effective and applicable and can be spread in other basins. it can eliminate the outlier of rainfall data and improve the accuracy of flood forecast
計算結果表明，採用雨量觀測誤差三步權函數修正法是有效的，能準確剔除雨量資料的粗差，改善雨量資料的合理性，提高洪水預報的精度。 -
It also shows that the software interface is friendly and the forecast accuracy is up to the standard, which meets the demand of the consumers. this system improves the operating management of power system to a higher level, and has a better practical application value
該系統的實際運行表明，所用模型合理，軟體界面友好，功能完善，操作簡單，預報準確度達到了部頒標準，滿足了用戶需求，提高了電力系統運行管理水平，具有較好的實際應用價值。 -
Orthogonal experimental design is adopted to constitute study examples. accuracy of forecast of net is ensured and time of test is reduced
本文採用正交試驗方法構造學習樣本，保證了網路預測的準確性，同時減少了試驗次數。 -
The comparatively higher accuracy of the gray forecast method has been proved by the analysis of engineering examples, it is a more practical forecast method of ground subsidence and have a extensive and practical space in engineering
通過對其工程實例的應用分析，證明灰色預測方法具有相對較高的粉度，是一種比較實用的地表沉陷預測方法，具有廣泛的工程實用空間。 -
The robust system can prevent abnormal factors from entering the flood system, so as to ensure the stability of the system and the accuracy of flood forecast. firstly, the theory of robust estimation is introduced into parameter estimation of the auto - regressive model ( ar model ). also some estimation methods commonly used, including the huber estimation and igg estimation, are introduced and compared with the least square method ( lsm )
洪水預報系統的抗差性研究，就是把抗差理論引入洪水預報中，利用抗差系統具有的抗差能力，使許多嚴重的不正常因素誤差影響，根本就不能進入系統，這樣，減少了系統的污染機會，降低了不正常因素的影響，可大大提高系統的穩定性和洪水預報的精度。 -
This paper presents the following innovation : 1. this paper proposes the gray - index moving combined forecast model, which combines the single - index moving method with gray disaster prediction theory. the joint model solves the problem of deviation and lag in single - index moving forecasting method in some degree, and prediction accuracy and reliability is improved
將灰色災變預測與一次指數平滑法相互結合、相互補充，在一定程度上控制了一次指數平滑法預測時的誤差積累，從而修正了用一次指數平滑法預測所帶來的偏差和滯后，提高了預測結果的可靠性和精度。 -
Mr lam said hong kong was the first place to introduce a data link volmet ( d - volmet ) service in the asiapacific region, allowing pilots to access the latest observations, forecasts and warnings in flight. " in the coming years, the hko will further improve the forecast accuracy and take advantage of the improved air - ground link to provide more user - friendly products to the aviation community.
林超英說：香港是亞太區第一個引進對空氣象數據鏈《 d - volmet 》服務的地方，好讓機師在飛行途中，透過查詢，取得最新的觀測、預報和警報資料。在未來的日子里，天文臺會提高預報的精確度，以及利用不斷改善的地對空數據鏈，提供更多更方便的產品給航空界使用。 -
Quantity of generating electricity should be also calculated while the river inflow, quantity of water transfer and its duration curve are taken into account. as a company, it is necessary to take a series of measures to increase its benefits while water transfer leads to the decrease of hydro power inevitablly. the efficient methods can be taken into account as follows : i ) to improve the forecast accuracy, to decrease surplus water, and to increase seasonal electricity energy, ii ) to raise the peaking ability of dan jiang kou power station to obtain peaking benefits, iii ) to choose a suitable site to construct a pumped storage plant for peaking benefits
在進行以上四方面內容深入探討的基礎上，論文針對丹江口水利樞紐運行任務、運行方式的重大變化，提出漢江集團應採取以下因應措施以適應企業產業結構的調整，這些措施包括：準確計算發電效益減少值；合理地核算水源的供水成本；以上述兩項計算成果為基礎，核算企業結構調整后總效益變化量；提高預報水平，減少棄水量，爭取增發季節性電能；研究新的調度方式，提高電站調峰能力，提高電站的容量效益；在適當的地點修建抽水蓄能電站，提高電站的調峰能力。 -
The impact of deeplying cohesive soil on subsidence in tianjin is presented in this paper. based on the analysis of the consolidation law of deeplying cohesive soil, the pore configuration, and the movement of pore water, the mechanism of the consolidation of hard cohesive soil is discussed. finally, the consolidation parameters, resulting from consolidation cycles, are applied in the calculation of settling volume and the degree of forecast accuracy is satisfactory
闡述了天津市深層粘性土對地面沉降的影響，分析了深層粘性土的固結規律。通過研究孔隙結構和孔隙水運移特徵，探討了堅硬粘性土的固結變形機理。選取由固結旋迴法得到的固結參數對深層粘性土引起的地面沉降量進行了計算，獲得了較好的預測精度。 -
In this paper, we analyze the statistic characters of time - delay in detail, and put forward to adopt elman nn to forecast time - delay intelligently, design appropriate compensator based on adaptive smith forecast theory. the experiment results prove that this method can improve the forecast accuracy and system ' s dynamic performance. in the application of real time data transmission, forward error correction ( fec ) is a good method to resume the lost data
針對這個問題本文進行了詳盡的統計特性分析，並且提出採用elman動態神經網路結構對網路時延進行智能預測，並根據自適應smith預估補償控制原理設計合適的時延補償器，並且應用於基於web的二階水位控制系統中，實驗結果證明了採用此方法可以提高預測精度，使時延補償器適應時延變化的動態性更強，從而在保證系統穩定性的基礎上，西安理工大學碩士學位論文提高系統的時延補償精度。
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