預報法 的英文怎麼說

中文拼音 [bào]
預報法 英文
forecasting technique
  • : 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 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 預報 : [訊] forecast; forecasting; prediction
  1. Starting with the astronomic factors which induce the tide phenomenon, this paper introduces a method of nonharmonic analysis neural network to predict tide, and this method is used to calculate the real tide of 2002 at hongkong tide station and the result are compared to the observed data

    摘要文章運用非調和,直接從引起潮汐現象的天文因素入手,以2002年香港驗潮站實測資料為例,用神經網路對潮汐知識進行了學習模擬,對未知結果進行了
  2. The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too

    比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點,探討了在減壓拖曳水池中實現實船自航點的方,並進行了兩只螺旋槳模型的脈動壓力測試,經與空泡水洞中脈動壓力的測試結果進行比較,說明該項測試是成功的,同時也對脈動壓力的理論結果做了驗證。
  3. ( 2 ) it explains the basic concept of time series, some kinds of the common time series models and the development characteristics of time series in detail. it analyses how to judge the model from the self - related function and the deviation related function. determining a better standard to set up models from the comparison of some kinds of fixed step time series standards, then predicts utilizing the counter function

    ( 2 )詳細闡明了時間序列的基本思想、幾種常見的時間序列模型以及時間序列的動態特徵,分析了如何利用自相關函數和偏相關函數來對模型進行判定,通過對時間序列的幾種定階準則的比較,確定一種好的定階準則來建立模型,從而可以利用逆函數進行
  4. Comparison of modal function expansion method with eigenfunction expansion method for prediction of hydroelastic responses of vlfs

    超大型浮體水彈性響應的模態函數展開方和特徵函數展開方比較
  5. At present, the better prediction and warning methods of geologic hazards in the world include the phenomenon monitoring method, statistical analysis method, nonlinear system theory prediction method, coupling analysis method of endogenic and exogenic geological processes

    摘要目前國內外較為成功的地質災害警方可分為現象監測預報法、數理統計預報法、非線性系統論預報法和地球內外動力耦合
  6. By using the yearly data of water - sand that is gotten by a couple of adjacent hydrologic station in yellow river lower reaches, this paper makes use of kinds of math methods looking for the nonlinear disturbance among all of the factors, and introduces the thinking of analysis, logic, conclusion, inference, and random to nonlinear hydrologic forecasting. it realizes the valid approximation of the water level process in erodible - bed channel

    本文選擇黃河下游兩對相鄰水文站多年水沙資料,藉助多種數學方尋找其中的非線性擾動項,將隨機數學中分析、邏輯、歸納、演繹、隨機的思考問題方式引入到非線性水文中,實現沖淤河道相應水位過程的有效擬合。
  7. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方、統計建模方、隨機分析理論、最小均方誤差原則等等數學理論及方有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選,並改進了統計學中多因子(三個以上)方差分析;再次,將這一方用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確的困難所在及改進方向。
  8. ( 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選方,並構造了相應的稀疏近似逆條件子,結合gcr演算和g州[ r衛s演算,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,數值實驗表明這里給出的方可以大大提高數值模式的計算效率。
  9. The strip method was applied to the motion prediction of the monohull. the time range solutions of heave and pitch were obtained in the condition of head sea to provide the primary data on panoramic simulation

    本文利用切片對0371g艇加裝縱向組合減搖附體前後的運動進行,取得了迎浪狀態下升沉和縱搖的時歷解,為視景模擬提供原始數據。
  10. The theoretical calculation method about how to predict the hydrodynamic characteristics of ichthyoid rudder is proposed in this paper

    本文提出了一種魚形舵定常升力的水動力性能的理論
  11. Hi this thesis, the technique of detector array is used to obtain the location of anomalous infrasound, it is the basic of the study of prediction of earthquake. to derive useful information by using spectrum analysis on infrasonic signal. then combing with other methods a forecast could be made

    本課題主要是利用數字技術,採用用傳感器陣列計算異常次聲波波源的方位,這是今後測震中位置研究的前提;並對次聲信號進行頻譜分析,提取有用的關于臨震次聲方面的信息,再結合其他的,作出準確的地震
  12. The existing problems in the design of reservoir flood operations is analyzed, then aiming at the insufficience of the typical flood, the method for reservoir flood operation with classified forecast is presented in this paper

    摘要在分析水庫防洪調度設計存在問題的基礎上,針對典型過程代表性的不足,本文提出了水庫防洪分類調度設計方
  13. Therefore, it is the urgent need of land exploiture and environment repair that how to investigate the current situation of soil losses accurately, quickly and dynamically, how to predict & inspect soil losses, and provide scientific base for the repair of soil erosion and implement of soil and water conservation planning. otherwise, the survey method of soil losses is lagger in yunnan

    如何準確、快速、動態地查清水土流失現狀,進行水土流失和動態監測,為水土流失治理和水保規劃實施提供科學依據,是土地開發與環境整治的迫切需要,而雲南省在水土流失調查方方面恰恰處于相對落後狀態。
  14. 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,論文主要從以下幾方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方進行了對比分析,結合實例具體說明了方的應用;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測方進行了全面的評述,指出了各類的特點及適用條件,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方及其應用范圍,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,蒙特卡羅方,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、隨機過程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方,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方向。
  15. The research result shows that this physical model is useful to determine the locked area along plate boundary faults and further to make the long term and middle term earthquake prediction

    研究結果表明,運用該模型方可利用大地測量數據確定沿板塊邊界斷層帶的相對閉鎖區,從而進行中長期地震
  16. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論,使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數軟體,研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算,利用現有模型的吸聲系數計算公式作為目標函數,初步優化了一些結構的材料參數。
  17. The method based on the principle of maximum entropy ( pome ) is applied to analyze the distributions of flood forecasting errors for some typical reservoirs in humid and semi - humid regions

    摘要採用最大熵原理( pome )方,對我國濕潤和半濕潤地區部分典型水庫的洪水誤差分佈規律進行了研究。
  18. It is found that the distributions of flood forecasting errors both in humid or semi - humid region approximately obey the law of normal distribution and the method based on pome is effective for calculating the distribution of flood forecasting errors

    結果表明,我國濕潤和半濕潤地區的洪水誤差近似服從正態分佈,且採用陽me方計算洪水誤差分佈是可行的。
  19. Numerical weather prefectural level weather stations

    地市級氣象臺開展數值天氣的方和途徑
  20. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析,建立了適合三江平原井灌水稻需水量的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨的月平均降雨模型;根據最小二乘,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。
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