point prediction 中文意思是什麼

point prediction 解釋
點預測
  • point : n 1 尖頭,尖端;尖頭器具;〈美國〉筆尖;接種針,雕刻針,編織針;小岬,小地角;【拳擊】下巴。2 【...
  • prediction : n. 1. 預言,預告。2. 被預言的事物。3. 【氣象學】預測,預報。
  1. 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法,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預報結果做了驗證。
  2. Prediction model of kraft pulping cooking end point

    硫酸鹽法制漿蒸煮終點預測模型
  3. Bof end - point temperature prediction model of fuzzy neural network system with subtractive clustering

    基於減法聚類的模糊神經網路轉爐終點溫度預報模型
  4. Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction

    根據點位測量的誤差理論,確定定誤差值域范圍,繪出誤差橢圓;對各監測點進行位移與誤差判別分析,為地表位移動態分析和灰色預測提供理論基礎。
  5. The optimization results show that the effective interfacial area hi three - phase distillation is much bigger than the prediction of correlation when the operation condition is above the loading point, while no such phenomena are found when the operation condition is below the loading point. 5. the experiments reveal that almost 21 % reduction in the

    5 .實驗結果表明三相精餾過程在載點之前的分離效率比兩相精餾過程的分離效率低21 % ,而在載點和泛點之間,三相精餾過程的分離效率則比兩相精餾過程的分離效率高了近51 % 。
  6. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  7. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  8. Advances in non - point source pollution prediction model

    非點源污染預測模型研究進展
  9. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  10. It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects

    本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上,首先對工程中常用的三點法進行了細致深入的研究,指出以工程實測數據證明的現有三點法在應用時存在的不足,針對該不足進行了探討,並在此分析基礎上提出了預測結果更為理想的改進三點法;其次區別傳統沉降預測方法的研究途徑,本文從沉降過程的發展特徵出發,根據描述物化反應過程發展特徵的質量作用定律原理,探討了一種新的地基沉降預測方法:地基沉降預測的「質量作用定律」模型;本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景,對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較,認為這些方法是可行的,並得出一些有用結論。
  11. This paper also summarized a way how to do the early reservoir description in the preparatory reconnaissance stage. in the paper author provided a detailed study of sedimentary facies, reservoir, the forming conditions of hydrocarbon pool, structure feature and reservoir prediction about the sidaogou structure, and point out the primary reason for producing a little oil and gas in the sidaogou structure, and gave the main direction for the future petroleum exploration in the hami depression

    因此,本文系統地闡述了早期油藏描述的定義、意義和任務,建立了早期油藏描述較完整的研究思路和研究方法,並通過對吐哈盆地哈密坳陷四道溝構造低產油氣藏的早期油藏描述具體研究工作,摸索和總結出一套如何將早期油藏描述技術應用於油氣藏預探階段的研究方法。
  12. With the answer of one step prediction, a creative interval prediction is got by the applied of non - parameter statistics method. point prediction pay attention to prediction precision while interval prediction to reliability

    運用非參數統計的方法,作出混沌時間序列在特定概率限的區間預測,彌補了傳統點預測的不足,使預測的適用性得以提高。
  13. Based on sample of the index from april 3, 1991 to may 31, 2001, arima models have been built with tsp computer software guided by route of " from general to specific ". the models built have better fit goodness and one point forward prediction is highly precise. but ultra - sample prediction by c + + program shows prediction precision reduces fast as the length of prediction grows, long term prediction of the index is impossible

    建模表明利用tsp統計軟體結合從「一般到特殊」的建模方法,所建的模型對已有數據的擬合較好,向前一步單點預測準確性較高,但利用c語言程序進行進一步分析表明時間序列分析模型對深圳成分指數的長期預測效果明顯降低。
  14. In view of the fact that prediction of creep and shrinkage with current bridge provision for specific concrete under specific ambience sometimes has a big discrepancy with real values, a new method to obtain the expressions of creep and shrinkage from newly - built pc bridges short - term test results is presented, and relative equations have been established. therefore, a reliable long - term prediction on effect due to creep and shrinkage in pc bridges holds a firm bearing point

    研究中發現某一特定環境下工作的混凝土用現有規范公式預測得到的徐變、收縮特性常有偏差較大的現象,由此提出了從新建預應力混凝土橋梁短期試驗結果推算梁體相應素混凝土在工作環境下的徐變、收縮特性的思想和方法,並建立了計算式,為新建預應力混凝土橋梁可靠的徐變效應分析提供了前提和保證。
  15. After the comparison between numerical prediction and measured result, the numerical computation gives good agreement for both qualitative and quantitative point of view

    數值計算結果與實驗量測結果比較,在定性與定量上皆能提供相當可靠的預測。
  16. Equipment reliability testing - part 4 : statistical procedures for exponential distribution - point estimates, confidence intervals, prediction intervals and tolerance intervals

    設備可靠性試驗.第4部分:指數分佈的統計方法.點估計置信區間預測區間和公差區間
  17. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中,能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於鏡像理論的點對點的射線跟蹤法,所以它無須進行接收測試;而且由於採用了反向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點位置,找出所有能從源點到達場點的射線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過對該樹進行後序遍歷即可,大大提高了運算速度,因而有較高的接收效率與精度。本文對該模型進行了相應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。
  18. Equipment reliability testing - statistical procedures for exponential distribution - point estimates, confidence intervals, prediction intervals and tolerance intervals

    設備可靠性檢驗.指數分配的統計方法.點估計置信區間預期數值變化范圍和公差范圍
  19. Third, five schemes based on the combination different precipitation and pumping quantity is applied to the model prediction to predict the water laver in springs zone and high - point groundwater quantity exploited in 2010

    本通過對多種巖溶地下水開采方案預報對比,協調處理互為矛盾的「保泉」和「供水」目的,最終預報濟南市泉群地下水位標高,確定巖溶地下水的開采方案。
  20. On the prediction about the 17th karmapa, not much was written. nevertheless, several important points were recorded. the first important point in the record mentions that the karmapa was together with tai situ rinpoche on a mountain with plenty of rocks and lush trees

    答:秋吉林巴是與第十三世大寶法王是同時代的人,實際上他對大寶法王的預言是以第十四到21世很清楚的記載,對于第17世的預言,所記下的字並不多,但提到幾個重點。
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