方預報值 的英文怎麼說

中文拼音 [fāngbàozhí]
方預報值 英文
prediction value
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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)...
  • 預報 : [訊] forecast; forecasting; prediction
  1. 2. dynamic meteorology : equations of motion ; geostrophic, ageostrophic and gradient winds ; thickness and thermal wind ; continuity equation ; stream function ; vorticity equation ; divergence equation ; omega equation ; rossby wave ; ekman layer ; numerical weather prediction

    2 .動力氣象學:運動程地轉風非地轉風及梯度風厚度及熱成風連續程流函數渦度程輻散程奧米茄程羅斯貝波埃克曼層數天氣
  2. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此,本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式法,並構造了相應的稀疏近似逆條件子,結合gcr演算法和g州[ r衛s演算法,首次將逐層門限稀疏近似逆條件子應用於新一代多尺度模式動力內核的實際計算,數實驗表明這里給出的法可以大大提高數模式的計算效率。
  3. Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science

    探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展,有著重要的理論意義;而對太陽活動的,是國際前沿科學?空間天氣學的重要組成部分,對避免空間災害、為航空航天科學提供服務等面,具有重大的實際應用價
  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程線的分析,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、隨機過程等與地下水變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. The article designs the mesoscale numeric forecasting modek the scheme of objective analysis and four - dimensional data assimilation of global meteorologic data and the bidirectional nested scheme of mm5 model in detail

    對中期數天氣模式、全球氣象資料客觀分析和四維同化案,以及mm5模式的雙向嵌套案進行了詳細設計。
  6. Adopting high resolution nested grid project and proper physical parameter, a mei - yu heavy rain process during eight july 22, 2002 and eight july 23, 2002 and the meso - b - scale systems alongwith it, were simulated by use of psu / ncar meso - scale nonstatic numerical forecast model mm5 in this paper. the simulation result describes successfully the spatial and temporal distribution of this rain process and the developing course of the concomitant meso - ? - scale systems

    本文利用psu ncar的中尺度非靜力數模式mm5 ,採用高解析度套網格案和適當的物理過程,對2002年7月22日08時到23日08時的一次強梅雨暴雨過程和伴隨的中-尺度系統進行了數模擬,結果很好地描述了本次暴雨降水的時空分佈及相伴隨的中-尺度系統的發生發展過程。
  7. Numerical weather prefectural level weather stations

    地市級氣象臺開展數天氣法和途徑
  8. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、類比分析、監控量測、數模擬、神經網路等法,對鷓鴣山隧道潛在的主要地質災害(塌、涌水、巖爆和大變形)進行了( 3 )在現場地應力測試成果的基礎上,運用數計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大24mpa ,並測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌往往與斷層破碎帶及千枚巖相聯系。
  9. Developing data assimilation system of numeric predict model by using the adjoint code technique is one of new four - dimensional data assimilation methods

    用伴隨碼法構造數模式的伴隨同化系統是目前較新的四維同化法之一。
  10. Developing data assimilation system of numeric predict model by the use of adjoint coding technique is one of the new four - dimensional data assimilation methods

    而用伴隨碼法構造數模式的四維變分伴隨同化系統則是目前國際主流的法之一。
  11. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯法對全向推進器定常和非定常狀態下的數學模型進行了數離散,接下來針對前面所設計的全位推進器進行了數
  12. " this is an exciting international weather experiment that will provide valuable information to ultimately improve weather and climate forecasting, " said greg hunt, australia ' s junior minister with responsibility for the bureau of meteorology

    對此,澳大利亞國家氣象局的負責人格雷格亨特表示: 「這是一項激動人心的國際氣象實驗計劃,它將使我們獲得有關最終改善對天氣及氣候面的價連城的
  13. The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project

    整個法對船舶螺旋槳噪聲提供了工具,對螺旋槳的噪聲控制及低噪聲設計也有重要的工程價
  14. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多程模型系統的統計結構,證明了矩陣正態? wishart先驗分佈是模型參數( , )的共軛先驗分佈,研究了該先驗分佈下模型系數矩陣、精度陣和協差陣的后驗分佈及其貝葉斯估計,對模型密度函數進行了嚴格的數學推導,並將其應用於多元質量控制領域,構造了貝葉斯均向量聯合控制圖;結合wishart分佈與x ~ 2分佈之間的關系,設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  15. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括:分析目前國內國際空間天氣的發展現狀及開展空間天氣的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算法:推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理法:論證了開展空間天氣經驗和發展數有效的成像譜段。
  16. The parallel implementing of spectral method in numerical weather forecasting

    天氣中譜法的并行實現
  17. Numerical weather prediction system uses 100 km x 100 km grids 1989

    圖表2 -數天氣系統使用100公里乘100公里格1989
  18. Numerical forecasting system and its application in guangzhou

    法在廣州空氣質量中的應用
  19. Both parameters and observed values are considered as grey in dam safety monitoring models. grey parameters are identified by the means of the grey system theory and then forecasting values are given hi the format of grey interval. 4

    將大壩安全監控模型中的參數和實測數據均視為灰色,利用灰色系統法對灰參數進行了辨識,並對大壩的監測效應量給出了灰色區間
  20. As in many cases, people pay more attention to the relative error between actual output values and the idea output values, in this paper, an improved bp algorithm based on the smallest square sum of the relative error is proposed, which looks on the square sum of relative error between the idea output and the actual output as the object function

    考慮到在很多情況下,人們更關心模型的與實際的相對誤差情況,從而本文採用實際輸出與希望輸出的相對誤差的平和作為目標函數,給出了一種基於相對誤差平和為最小的bp演算法。
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