interval distribution method 中文意思是什麼

interval distribution method 解釋
間隔分佈法
  • interval : n 1 （空間方面的）間隔；空隙。2 （時間方面的）間隔，間歇；工間休息，幕間休息。3 【軍事】（各小隊...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文根據熱傳導理論、彈性徐變理論及有限元理論，用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。
  2. Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method

    文摘:本文導出了壽命分佈為對數正態分佈時基於截尾樣本環境因子的點估計和近似置信限，對所給近似置信區間作了模擬研究。
  3. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  4. In this article, according to heat conduction theory and finite element theory, the temperature field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, thermal insulation change, surrounding temperature change and water storage on temperature field in the arch dam are also considered

    論文根據熱傳導理論及有限元理論，用三維有限元浮動網格法對施工期和運行期溫度場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、絕熱溫升過程及壩體材料分區、水庫分期蓄水和環境溫度變化等因素對壩體溫度場的影響。
  5. Based on the character of short - time non - stationary random signal, the feature of energy distribution of multi - interval - time in millisecond blast signals was investigated by means of the wavelet packet method

    摘要根據爆破振動信號具有短時非平穩的特點，利用小波包分析技術對滿足分析要求的多段微差爆破振動信號的能量分佈特徵進行研究。
  6. Then, using recursive arithmetic calculated reliability indices for directory tree, the method was realized by vb program ; the other is a method of reliability evaluation by interval arithmetic, which is the use of interval arithmetic to evaluate reliability, and the computation theory is also given. during the calculation, interval number replaced the component " s parameter and it takes into consideration the uncertainty of all of the parameters. in the study of power distribution system configuration, a new configuration model is set up which takes into account simultaneously the losses minimization and system reliability, then improved genetic arithmetic is described detail and of advantage for solving this problem

    在配電網可靠性評估的研究中，提出了兩種實用的配電網可靠性評估方法：其一是利用網路分層和遞歸演算法理論，使用高級語言進行程序設計，提出了一種基於vb編程的配電網可靠性評估方法，該方法通過程序實現了網路拓撲結構的分層等效和可靠性指標的遞歸計算，使整個計算過程得到了簡化，並且界面窗口的可視化，使得評估過程便捷、形象；其二是提出了一種基於區間演算法的配電網可靠性評估方法，該方法是一種利用區間理論計算配電系統可靠性的不確定性評估方法；文章給出了區間運算的原理；討論了配電系統中區間數據的來源途徑，並用區間數代替元件的可靠性參數，對輻射形配電網進行了可靠性評估。
  7. Thus a new small sample based system reliability confidence interval estimation method is offered under the assumption that the system follows normal or log normal distribution

    由此提出了小子樣下的系統可靠性置信區間估計新方法，該方法只假設系統可靠性估計服從正態或對數正態分佈。
  8. For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed

    對于模擬式低放大倍數位移記錄，以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個水平分向的記錄圖為例，詳細說明了對記錄圖數字化、弧型校正、基線校正、等距插值、儀器響應校正等步驟，計算了周期t 10s的反應譜，分析了它們的可靠性。
  9. In the paper, the daily return rate of composite index of a specific time is tested by w test method. the result shows the distribution of daily return rate of composite index is accordance with normal distribution. according to the nature of normal distribution, under 95 % confidence interval, the value of var could be calculated, and then we can predict the next day ' s index

    在本文中，筆者通過對某一具體時間段的上證綜指的日收益率分佈進行正態檢驗仰檢驗） ，在得出的結論是日收益率基本上服從n （ 0 ， 6 ）的正態分佈的前提條件下，根據正態分佈的性質，在95的置信度下，利用var模型計算出當日的var值，從而預測出下一交易日的收盤指數。
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