預測的有效性 的英文怎麼說
中文拼音 [yùcèdeyǒuxiàoxìng]
預測的有效性
英文
forecasting validity- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 的 : 4次方是 The fourth power of 2 is direction
- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
- 有效性 : availability; effectiveness; validity; significance有效性檢查 validity check
- 有效 : effective; valid; efficacious
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The inverse analysis method based on model discerning and all these curve fitting methods are used to forecast settlement of xuzhou - suqian expressway after completing. the result from calculation and analyzed shows the thinking and the method in the paper are suitable, and it can be proved its rationality and feasibility in studying and forecasting settlement after construction of the embankment
結合徐宿高速公路,進行了基於模型識別的路基沉降反演預測和各類曲線擬合法預測工后沉降的計算,通過計算驗證了模型識別反演預測思路和方法的適用性和改進指數法預測路基工后沉降的有效性和合理性。Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken
論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況;收集研究了公路建設項目水土流失預測的基本內容和方法,在多方查詢、請教專家及分析研究的基礎上,提出了丹莊高速公路水土流失預測模型,針對項目不同區域進行了水土流失預測和分析,為水土保持措施的設計提供了定量依據;論文根據高速公路項目的特點,將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個水土流失防治區,並在初步設計文件的基礎上,針對三個水土流失防治區進行了較為完善的水土保持防治措施設計;論文在丹東至莊河高速公路水土保持方案設計中大量採用了植被防護措施,為了更有力地指導植被措施的施工,論文中還就植被保持水土的有效性進行了研究探討。The electrolog data was effectively corrected with the effective process, which improved the validity of electrolog to the identification of the low - resistivity reservoirs and was helpful to enhance the veracity of evaluation of the conventional reservoirs
有效的電測井資料預處理,不僅改善了低電阻率油氣層的電測井資料的有效性,實現對電測井曲線有效校正,同時對進一步提高常規油氣層的測井評價的準確性具有重要的作用。In the end, the thesis supplies the parameter of magnetic & susceptibility anomaly forecasting oil and gas reservoir and pointed out the association with the parameter and the compartmentalized oil & gas perspective region may improve the precision rate greatly in magnetic exploration searching oil and gas reservoir directly
油井資料驗證了磁性資料探測油氣藏結論,驗證結果表明了資料的有效性和劃分的合理性。由此,本文給出了磁異常? ?磁化率異常聯合預測油氣藏量化因子,指出此因子配合油氣遠景區圖示可以大大提高磁性指標直接探測油氣藏的準確率。“ on the other hand, all of the contributors to this debate who expressed an opinion agree that the deterministic prediction of an individual earthquake, within sufficiently narrow limits to allow a planned evacuation programme, is an unrealistic goal
「另一方面,向這場辯論提交論文表示了看法的所有研究者,都同意對一次地震做出『確定性預測』 ,其有效限度窄到允許實施計劃中的撤離計劃,是一種不現實的目標。 」Simulation results show the effectiveness of the algorithm. based on the integration of rough set and neural networks, a rough neural network based on predictive model control strategy for alkali recovery boiler control is developed. the framework of alkali recovery dedicated control system is introduced in chapter 5, including system hardware frame and software design and basic functions of system
3 )針對堿回收蒸發工段具有強耦合、大時滯的特性,通過分析傳統解耦演算法的不足,提出了蒸發工段神經網路解耦控制方案,通過模擬證明方法的有效性;同時通過集成粗糙集和神經網路方法,提出了基於粗糙集的神經網路預測模型控制方案,並應用到堿回收爐的控制當中。The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids
在本文最後一節,為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設:乓久w兀的有效性,及由此假設而推導出來的等壓態方程的廣泛應用性,本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo ( n 、熱膨脹系數a ( n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測,且與相應的實驗數據作了比較與分析In this paper, we first analyze the validity of a quasiphysical algorithm for protein structure prediction, and show that there exists much randomness in obtaining a valid folding structure using this algorithm, then give anjudgment criterion for the bond " interfere " in folding structure, and propose modifying schemes used to improve the validity of the quasiphysical algorithm
摘要對預測蛋白質空間結構的擬物演算法的有效性進行理論分析,證明用該擬物演算法求得合法的結構存在較大的隨機性;給出折疊結構發生沖突的判斷條件和提高擬物演算法有效性的一些修正方案。Presented a scalable method of qos provisioning in the broadband residential ethernet - based access network that offers qos guarantees for voip, tv, vod, etc. the cbr encoding control scheme with fixed services promises predictable traffic characteristics, which simplifies qos mechanisms and network designs ; the differentiated approach promises a scalable qos architecture for the carrier - grade broadband residential access network ; combining network dimensioning, diffserv and pricing promises qos provisioning with effectiveness and operability
結合cbr編碼控制機制和限定服務類型提供可預測的通信量特徵,簡化了網路設計和服務質量方法的復雜度:採用區分服務方法,滿足了大規模寬帶社區網的高擴展性要求;結合網路容量規劃、 diffserv框架和定價機制研究多業務的服務質量,確保了服務質量方法的有效性和可操作性。Researching about multi - class protein fold recognition, we use the cascade algorithms based on support vector machine to classify the folds. the total accuracy is nearly 4 percentile higher than direct - classifying. this result suggests the thought is feasible
2 、對蛋白子折疊子預測現狀進行了研究,提出以支持向量機為基礎的多分類器級聯演算法來解決折疊子分類問題,實驗結果比直接分類提高了近四個百分點,證明了這種思路的有效性。Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given
最後,通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對比分析,闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超載預壓工程進行數值模擬,指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。We apply this method to shanghai index, shenzhen index and a random selected stock ' s moving average index from jan, 1999 to apr. 2003 to test the accuracy of prediction
為了證明系統的有效性,本文對上證綜合指數、深證綜合指數、隨機選取的個股1999年1月年至2003年4月的實際數據進行了預測檢驗。The effective implementation of this management model will be helpful for enterprises to build up the good cooperative relationship with suppliers, reduce stock and cost, increase the accuracy of forecasting and the efficiency of the whole supply chain
該管理模式的有效運作有助於企業與供應商建立良好的協同與合作關系,降低庫存和成本,提高采購預測的準確性和整個供應鏈的效率。These rules consist of the total fit, the mathematics and fatigue physics, and the safety in tail predictions. an analysis of the test s - n data of 16mn steel weld joints reveals that the four models are reasonable if only considering the total fit as the conventional method did. but if by the present three rules, the appropriate models should be the normal or the extreme maximum value
根據先前提出的有限數據下良好假設分佈的確定方法,包括三個原則,即假設分佈形狀與誤差數據真實分佈形狀的一致性、預測的總體擬合效果、與疲勞失效機制的一致性和尾部預測的安全性,通過對線性均值s - n曲線擬合16mn鋼焊接頭s - n數據誤差的統計分析,說明應用一般推斷方法, 4種分佈都可合理地作為數據的統計模型,綜合考慮三原則后,極大值和正態分佈是可能的良好假設分佈。Another 20 kinds of non - designed contact points are given for the first time. contact determining algorithm of all the above contact types is given using z - buffer algorithm for 3 - d observation, and simulation results show high accordance with results of vector - associated method. simulation for non - designed contact mode with random initial conditions has been done too, and statistics from the simulation indicates that it is important to predict non - designed contact points in practical rvd efforts
全文的工作包括以下幾個方面的內容: 1 .建立了周邊式對接機構的復雜幾何外形的數學描述,描述了對接初始條件范圍內,兩對接機構相互接近、捕獲過程中可能出現的20種設計接觸模式,並針對初始接觸點首次提出20種非設計接觸模式;利用計算機圖形學中可見面判別的z -緩沖演算法原理,給出了所有接觸模式的檢測演算法,該演算法的模擬結果與輔助向量法高度一致,驗證了演算法的有效性;進行了300組確定首次接觸點的隨機模擬,統計結果表明,在飛船上實時進行非設計接觸模式的預測是非常重要的。Abstract : in this paper a new adaptive neural network controller is presented for a class of continuous - time nonlinear time delay systems subject to modeling uncertainty. the neural network model requires a priori knowledge about plant dynamics to provide prediction models for time delay systems. an adaptive controller based on neural networks was developed to produce the desired tracking performance in uncertain conditions. stability of the closed - loop system is proved by the lyapunov method. the effectiveness of the proposed scheme was demonstrated through its application to the control of a continuous stirred tank reactor
文摘:針對模型不確定性的連續時間時滯系統,提出了一種新的神經網路自適應控制.系統的辨識模型是由神經網路和系統的已知信息組合構成,在此基礎上,建立時滯系統的預測模型.基於神經網路預測模型的自適應控制器能夠實現期望軌線的跟蹤,理論上證明了閉環系統的穩定性.連續攪拌釜式反應器模擬結果表明了該控制方案的有效性Now information is obtained easier and easier. but when much information pushes to people, which makes people faced with data tragedy, how to get useful information from many data is a prodigious task. rs is brought out by the way of a new method to reduce the data. this paper researches rs and reduction arithmetic based on rs, establishes data mining model based on rs. rough neural network is put forward which combines rs and neural network. this net model is applied in the research of forecasting system about quantity of heat. the net model is validated through the data of coal analysis
本文在深入研究了粗糙集理論及其基於粗糙集理論的約簡演算法,建立了基於粗糙集理論的數據挖掘模型,在此基礎上,將粗糙集與神經網路相結合,提出了一種粗糙集神經網路,並將其作為基於神經網路的燃煤發熱量預測系統的網路模型,解決了基於神經網路的燃煤發熱量預測系統的技術問題,並結合具體電廠的煤質分析數據驗證了粗糙集神經網路模型的有效性。No significant differences were found for the validity of the ability tests, and when peer ratings were used as predictors, only 16 out of 84 pairs of validity coefficients showed a statistically significant fifference
能力測試的有效性並無顯著差異,當同等級別被設置為預報器時,在84對有效系數之外,僅有16對有效系數顯示差異顯著。In this paper, the t - s model of ph neutralization process was identified via fuzzy c mean clustering and orthogonal least - squares algorithm ; on the basis of it the generalized predictive controller was designed. the effective performance of the controller was validated by matlab simulation
論文首先採用模糊c均值演算法和正交最小二乘法辨識ph值中和過程的t - s模糊模型,然後以此模型為基礎設計廣義預測控制器,實現系統的最優控制,最後通過matlab模擬驗證了該模糊預測控制器的有效性。In the paper the author analyzes stock price from linear model to non - linear model and builds three models : time series model, neural network model and gray neural network model. they improve precision one by one. case citing in the paper also proves the model ' s validity
文中定量分析從線性分析到非線性分析,通過建立時間序列模型、神經網路模型以及灰色神經網路模型,不斷提高預測精度,並最終實現了從對大盤指數預測到個股預測的有效運用,證明了股價預測模型的可行性及擴展性。分享友人