預報方程 的英文怎麼說

中文拼音 [bàofāngchéng]
預報方程 英文
prognostic equation
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : Ⅰ動詞1 (告知; 報告) report; declare; announce 2 (回答) reply; respond; reciprocate 3 (答謝)...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 預報 : [訊] forecast; forecasting; prediction
  1. A diagnostic equation for n0s, the y - intercept of the assumed exponential snow distribution, is allowed to vary with snow mixing ratio. the scheme assumes a marshall - palmer distribution law for rain, snow and graupel with a constant intercept parameter n0

    案將雪的m ? p分佈譜參數截距n _ ( os )表達為雪的比含水量的函數,建立了n _ ( os )的診斷預報方程
  2. Based on the dynamic frame of mm5 and reisner 2 explicit cloud scheme, a new double - moment microphysical scheme was developed, in which both the mixing ratios and number concentrations of cloud water, rain water, cloud ice, snow and graupel were predicted

    從本質上說,該的僅僅是粒子的比含水量。在mm5動力框架內,在其中的reisner2案基礎上採用雙變參數案,增加了雲水、雨水、雪和霰的數濃度預報方程
  3. A complex mixed - phase explicit microphysical parameterization scheme, which also be known as reisner 2 explicit scheme was developed for use in the ncar / penn state mesoscale model versions ( mm5 ). the single - moment schemes has additional variables for graupel and ice number concentration, in which the mixing ratio of cloud water, rain water, cloud ice, snow and graupel are predicted and number concentration specified

    Mm5中的reisner2案是一種含霰的復雜混合相顯式雲物理案,該案包含了雲水、雨水、冰晶、雪和霰的混合比預報方程,同時對冰晶的數濃度作了
  4. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價法進行了對比分析,結合實例具體說明了法的應用;深入分析了地下水資源工作的極端重要性和復雜性,對傳統的地下水資源動態法進行了全面的評述,指出了各類法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過線的分析,採用時間序列中的b ? j法,蒙特卡羅法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價法,可靠的資源技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究向。
  5. From the contradistinctive forecast in this paper we can see that the method of the dynamic forecast is better than the general method. the method is right, feasible and effective by the proof

    從文中對比,我們可以看到本文提出的這種動態系統法優于傳統的法。本文中所研究的氣溫演變過的非線性法是正確的、經回顧性驗證是可行的,而且是行之有效的。
  6. Therefore a physics - based conceptual model for forecasting in the cold zone of china is established, and the effectiveness of the model has been proved by practical operation in three basins of dunhua, changding and hengdaohezi. finally, for the purpose to popularize the presented model, a software system is completed and some new ideas are created in the system such as the interface design, selection of methods, option and integration of the procedures and so on. the system has been working very well in several basins in the north - east of china

    為使模型能夠得到推廣應用,使研究成果變為生產力,還建成了寒區水文軟體系統,在系統的研建過中,經過反復修改和完善,在界面設計、法選擇、案生成和串接、系統的維護擴展、水庫防洪調度、汛測站的設置和變動等六個面具有鮮明特色,使建成的系統具有實用性、通用性、友好性、可擴展性等優點,受到用戶的一致好評。
  7. For this reason, the following problems are researched emphatically : firstly, the long - term prediction method for calculating the extreme values of slamming pressure is founded. the effects of sea conditions, ship speeds, traveling directions, loading conditions on the results of long - term prediction are studied. on this basis, the computing process is simplified rationally, so as to this method can be used in practical engineering computations

    為此,本文主要在下面幾個面進行了探索:首先,建立了底板砰擊極值壓力的長期法,通過分析海況、航速、航向角、裝載狀態等不同的影響,合理簡化了長期的計算過
  8. Combined with the significant project - gongboxia hydro - power station construction, emphasized on construction during flood period of power station construction period, the climate character of the upstream of yellow river basin and the practice operation state of cascade reservoirs are analyzed, some problems in construction during flood period such as flood propagation time, interval flood discharge forecast, construction risk, flood period pre - alarm and longyangxia reservoir ' s function on construction of gongboxia are also studied, with an aim at presenting real interval flood forecast scheme and dispatching method, so as to provide technological support for gongboxia hydro - power station construction period

    本論文結合國家重點工項目?公伯峽水電站的建設,以電站建設期施工渡汛為研究重點,從實施出發,分析黃河上游氣候特性和梯級水庫群的實際運行狀況,對施工渡汛中的主要問題?洪水流達時間、區間洪水、渡汛風險、汛期警、龍羊峽水庫在渡汛中的作用等進行了比較全面深入的研究,目的在於提出可用於實際的區間洪水案和調度法,為公伯峽水電站施工期建設提供技術支撐。
  9. The approaches establish a relationship between monthly precipitation abnormality and monthly circulation, soil moisture and temperature on the shallow and deep layers. the relationship is the precipitation diagnostic equation and its coefficients and dimensions are determined by using the observed data of huai river basin. then we select the main soil moisture and temperature attributing factors by the dimensional analysis to establish a forecasting equation of summer precipitation over huai river basin with the statistic approach

    通過將大氣中的熱量、水汽收支與一個簡化的兩層土壤溫度、濕度相結合,並依據月尺度大氣環流的演變特徵,推導出月降水距平與500hp月平均高度距平場、土壤深淺兩層溫、濕度的關系;利用臺站觀測資料,使用統計反演法確定中各項的系數和量級,從而找出影響降水的主要土壤溫、濕因子;利用統計法建立這些因子與淮河流域夏季降水異常之間的簡單線性預報方程,並對1992 - 2000年淮河流域夏季降水趨勢進行回
  10. Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program

    目前,螺旋槳誘導的船體表面脈動壓力的理論法,大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算法為基礎的,本文採用該法編制了計算序,可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。
  11. At present we have made great efforts on radiation statistics of proton - flare " s x - ray, especially hard x - ray, and character of hard x - ray in the process of proton accelerating, and we have gotten solar x - ray " s character before proton event and bring forward forecasting method which is actualized and proved in fy - 2 satellite " s alarming system of proton event

    目前我們已經在質子加速過中的硬x射線特徵、質子耀斑x射線輻射統計(特別是硬x射線特徵)等面作了系統的工作,已獲得質子事件前兆的太陽x射線特徵,並提出了法,已在fy - 2衛星質子警系統中加以了實施和驗證。
  12. Contrast experiment shows that multi - time factors can improve the quality of prediction equations and make effective rate reach 90. 0 percents and reduce sum of residual squares 23. 8 percents meanly

    對比試驗表明,多時刻因子可改善大多數預報方程的質量,有效率達90 . 0 % ;多時刻因子使誤差明顯減小,預報方程的殘差平和平均減少23 . 8 % 。
  13. By use of correlation analyzing of temperature in heilongjiang province and previous general circulation or surface temperature, provision predictors are chosen to develop a predictive relationship of temperature anomaly in january or july of heilongjiang province with the theory of screening regression

    通過對黑龍江氣溫與前期環流場和下墊面溫度的相關分析,選取候選因子,用逐步回歸的原理進一步篩選,建立黑龍江1月、 7月月平均溫度距平的預報方程
  14. This study uses quantitative remote sensing method on soil losses which based on 3s technique and supported by gis software to probe into the application of quantitative remote sensing method on soil losses. and according as the equations of soil losses ( a = fkrslcp ) & predicting soil conservation intensity ( y = cp - cp " ) to realize the 3s technique integration on gis platform in study area of longchuan river drainage basin

    本研究採用基於3s技術的水土流失定量遙感法,以gis軟體為平臺,以龍川江流域為試驗區,依據水土流失( a = fkrslcp )和防治強度預報方程( y = cp - cp ' ) ,進行了在以3s技術為支撐的水土流失定量遙感法的應用探索,實現了在gis平臺上3s的集成。
  15. The flood and drought in both first stage and second stage of rainy season in fujian province were forecasted by the ways of line regression prediction equation and three kinds of artificial neural network models, the results show : the backpropagation ( bp ), radial basis function ( rbf ) and elman neural network models are much better than line regression prediction equation in historical sample fittings, independent sample test, actual prediction ability

    ( 3 )運用線性回歸預報方程和三種人工神經網路模型對福建汛期旱澇進行測的實驗表明: bp 、徑向基( rbf )和elman這三種人工神經網路模型在歷史樣本擬合精度上、獨立樣本檢驗結果和網路模型的實際測能力上都明顯優于傳統的線性回歸法。
  16. After analyzing the traditional way of anode effect prediction, this paper develops an new way to predict the anode effect : the integrative way based on fuzzy mathematic by extracting the predicting character parameters from two types signals sampled and integrating fuzzy. the principle and the process of the new way are discussed in this paper

    本文在分析傳統陽極效應法的基礎上,從兩種采樣信號濾波的結果中提取特徵量,結合模糊數學,提出了一種新的陽極法? ?基於模糊數學的綜合法,並且給出了法的原理及其具體的實現過
  17. By analyzing the rainfall data of 20 hydrological stations in the miyun reservoir basin from 1970 to 1993, the relationship between 45 heavy rainfall events and synoptic situations, nwf outputs, the forecast indexes and synoptic patterns are put forward, and 24 - hour heavy rain forecast equations of june, july, august in the miyun reservoir basin are developed

    通過整理1970 - 1993年24年間水庫流域內20個水文站雨量資料,分析45個暴雨天氣樣本與歷史天氣形勢和數值產品的關系,篩選出指標和因子,使用數值產品的解釋應用法,根據天氣環流形勢的分型,分別組建了6 、 7 、 8月每個月份的未來24小時暴雨天氣預報方程
  18. Since there are a lot of periodic non - stationary stochastic processes, i combine the kalman filtering and multiresolution analysis methods, and propose the wavelet - kalman filtering hybrid estimating and forecasting method. this method has the real - time, recursion and multiresolution characteristics. in this paper, using this method, i realize the real - time tracking and dynamic multistep forecasting in one cycle

    針對自然、社會和經濟等環境中存在有大量周期性的非平穩隨機過,我們將kf法和多尺度分析法相結合,提出了既具有實時性和遞歸性又具有多尺度分析能力的小波?卡爾曼濾波混合估計與法,應用此法可實現周期內對目標狀態的實時跟蹤估計和動態多步
  19. A real - time forecast model of irrigation schedule verified with the real - time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region

    將提出的墑情監測法及區域土壤水分法,應用於構建整個灌區的實時灌溉模型之中,並在灌溉中進行實時修正。
  20. The author also gave the uncertainty of the prediction values in this paper according to bayes theorem. the method can be used to correct the original error model conveniently and effectively

    法的優點是在利用中插入的標準量時,無須對所有數據重新建模就能便而有效地實現對原有誤差模型的修正。
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