probability scale 中文意思是什麼

probability scale 解釋
概率尺度
  • probability : n 1 或有;或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率,...
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  1. The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced

    通過理論分析和模擬實驗,本文研究了這個非線性數字通信系統性能,給出了誤碼率和通道容量公式,提出了系統參數調節方法,採用最大似然法設計了適合這個系統輸出的判決規則。
  2. It is applicable to various structural distribution networks. while resolving the " large area restoration ", the genetic algorithm execute three same and simple genetic operators : selection, crossing and mutating. it make a self - adaptable and probability overall searching under the leading of fitness value in the whole searching scale until acquiring the best result

    在求解網路故障后重構問題時,互動式模糊遺傳演算法通過循環執行相同的、極其簡單的選擇、雜交和變異三種遺傳操作,並在適應度函數值的引導下在搜索空間進行自適應概率性全局搜索,直至獲得全局最優解。
  3. In the genetic process of reproduction, crossover and mutation of the chromosomes in this method, these operators pr, pc and pm are produced randomly within some space, the scale of population and all kinds of genetic probability are also adjusted randomly so that the diversity individuals of population is ensured. the ga of dynamic population scale passes more information of paternal chromosomes to the offspring, which is beneficial to search the global optimization or quasi - global optimization

    該方法在染色體進行繁殖、交叉、突變的遺傳過程中,在某一范圍內隨機選取p _ r , p _ c , p _ m ,動態調整種群規模,保證了種群個體的多樣性;選擇同父本分別進行三種遺傳過程使得父本染色體中有更多的信息傳遞給子代,這有利於搜索全域最優解或準最優解。
  4. Experimental investigation of multi - scale eddy structures ' intermittency in turbulent flow using probability density function of wavelet coefficients

    用局部平均速度結構函數檢測湍流邊界層多尺度相干結構
  5. Firstly, for the errors of text ’ character and word, utilizing neighborship of character or word, check character and word errors by character string co - occurrence probability. secondly, for the errors of syntax of text, according to statistic and analysis of a large - scale contemporary chinese corpus, recognize the predicate focus word and the others sentence ingredient, check the syntax errors. thirdly, for the errors of text ’ semanteme, establishing semantic dependency relationship tree based on hownet knowledge, presents a method that based on semantic dependency relationship analysis to compute sentence similarity, check the semantic errors

    對于文本字詞錯誤的檢查,本文主要利用了字詞二元接續關系,根據同現概率檢查文本字詞錯誤;對于文本語法錯誤的檢查,本文利用教研室已有的一個大規模語料庫,通過對語料庫進行統計分析,獲得語法查錯所需要的語言規律和知識,利用謂語中心詞識別和其他句子成分識別的方法,檢查文本語法結構上的錯誤;對于文本語義錯誤的檢查,本文主要利用知網知識得到語義依存樹,通過對句子的有效搭配對的相似度計算檢查語義錯誤。
  6. Zhou shengyu ( computer application ) directed by chen xiaomin because of the radiation in space enviroment, the data in sram of the aerospace computer will nomally experience single event upset ( seu ) errors at a scale of small probability. had not been corrected in time, these errors would effect not only the performance of the computer system but also the transmission of the key data.

    由於輻射導致的單粒子翻轉效應seu ( singleeventupset ) ,使得航天計算機上的靜態存儲器sram中的數據可能出現小概率錯誤,這種錯誤若不及時進行糾正將會影響計算機系統的運行和關鍵數據。
  7. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在短期預測中已經被公認為較有效的方法,本文針對神經網路用於電力系統短期負荷預測的幾個方面展開研究工作:第一部分研究一般用於負荷預測的神經網路bp模型的演算法,即對傳統的bp演算法的改進,將一種基於模式逼近度和接受概率的變步長快速bp演算法應用到短期負荷預測,模擬結果表明該方法有效的改善了bp演算法收斂速度慢以及容易陷入局部最小點的缺點,從而提高了神經網路用於負荷預測的效率和精度。
  8. In this paper, monte carlo ( mc ) method is used in the research of distributing of construction duration and computation of time parameter of pert network. according to probability viewpoint, critical line and key degree of activity in the network are also defined. aiming at the limitation of application of the mc in large scale the network, the simplified computational method for the network is presented with quantum probability theory and composite method of path in network

    本文用mc ( montecarlo )方法研究了施工工期的分佈規律和pert ( programevaluationandreviewtechnique )網路的時間參數的計算;用概率論的觀點定義了pert網路主導線路和關鍵度;針對大型施工進度網路mc方法應用的局限性,採用線路合成方法,引進當量概率概念,提出了pert網路的簡化計算方法;根據工程搭接施工網路的特點,將其轉化為廣義pert網路,探討了其施工進度風險的計算。
  9. The theory and the implementation of the genetic algorithms are discussed in detail. the question on how to choose the crossover probability, the mutation probability, the scale of population and the numbers of the generation is discussed. then, the mathematics model of the optimal design is established

    詳細介紹了遺傳演算法的理論和實現技術,探討了交叉概率、變異概率、群體規模、進化代數等變量的選取問題,建立起了基於遺傳演算法的深基坑支護結構設計的優化模型,結合彈性地基梁有限元法,利用fortran語言編制了gafortran優化程序,程序中包括普通遺傳演算法和改進遺傳演算法。
  10. The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures

    該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈性地基梁桿系有限元方法;在圍護結構整體穩定性安全系數與可靠性破壞概率兩種控制因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力比例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。
  11. Purchase probability scale

    購買概率量表
  12. In this paper, starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution, an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account, through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered

    本文從陸面水文過程的物理機制出發,引進概率統計分佈理論,推導出一種由非均勻土壤含水量次網格尺度空間變率所形成的非均勻蒸發散率解析表達式,從而將通常的次網格尺度地表蒸散率的參數化方案( mosaic方法) ,改進為考慮網格區整體非均勻性的統計-動力參數化方案。
  13. To examine these distributions in greater detail, they are plotted on a probability scale.

    為了更詳細地考察這些分佈,可將它們在概率坐標上示出。
  14. The relative problems , whlchare charged factor that the part thro ’ blasting influence o 幾 the divided charges and the choice of blasting network in chamber blasting , are studied on the basis ofyuncheng ? ? sanmenxlaexpressway large scale blasting engineering in this paper firstly , the latter chamber ’ s charged factor influenced by part throwblasting , are discussed the comparable figobtained from above discussion can reflect the influence clearly the divided charges are studied systematically by theoretic analysis , engineering calculate and simulated experiments the simulated experiments and engineering practice have been proved that intervals bet ’ een the divided charges , which are engineering calculated , are practicable ; and blasting effect s good in order to find proper blasting networks for types of chamber blasting , several familiar nonelectrlcal blasting networks are analyzed and calculated by probability theory and numerical stat

    本文以運城三門峽路塹大爆破工程為實驗基礎,對峒室爆破中局部拋擲對裝藥系數的影響、分裝藥包以及大爆破網路的選擇等相關問題進行了研究。從大爆破裝藥系數分析了局部拋擲對后續藥包的影響,並得到了它與常規裝藥系數的比較圖,從而更直觀地反映出局部拋擲對裝藥系數的影響。運用理論分析、工程計算和模擬實驗相結合對分裝藥包進行了系統的研究。
  15. It is possible for the terminal activity faults to penetrate to the quaternary, but their scale is generally small and the penetrating distance is short, therefore, they can not induce earthquakes on a large scale. the remote sense images of last thirty years in daqing region show that the linear tectonics have not changed remarkbly, in the meantime, the earthquake timing figure shows that the probability of the faults inducing earthquakes, which ms is no less than 5, is little, though some terminal active faults have penetrated to the quaternary

    晚期活動斷裂有可能斷至第四系,但規模小,延伸的距離短,不會引發大規模地震,遙感解譯分析表明, 30多年來衛星遙感影像顯示的大型線性構造並無明顯變化;另外結合大慶地區地震時序圖認為,晚期活動斷裂即使斷至第四系,其活動引發5級以上地震的可能性也極小。
  16. Some new ideas are proposed in this thesis based on svm and ica : firstly, a modified svm method based on posteriori probability theory is given, which makes the classification super plane corrected from the original one. a better classification result is obtained without finding the best quadric optimization algorithm and large scale training datasets are reduced to small scale training datasets at the same time. secondly, ica is applied to the preprocessing period of the recognition character images for purpose of feature extraction and dimension reduction

    本文在系統研究svm和ica的基礎上提出了以下新的觀點:其一是採用了引入后驗概率的修正svm方法,它在原分類超平面的基礎上不斷修正分類超平面,提高分類正確率,從而避免了尋找最優二次規劃的麻煩,同時將大規模訓練樣本集化為小規模訓練樣本集;其二是應用獨立分量分析ica對需要進行識別的字元圖像預處理,提取字元特徵,降低輸入數據的維數,從而可以為下一步的svm識別過程提供好的數據集,用以提高識別率和識別速度。
  17. Fast algorithm for calculating call - blocking probability based on fft in large - scale networks

    的呼叫阻塞率的快速演算法
  18. The simulation results illustrate : it will be a small - world network when rewiring probability is small and will be a scale - free network when rewiring probability equals 1

    數值模擬表明:當邊重連概率比較小時,能生成小世界網路,而當重連概率等於1時,能生成無標度網路。
  19. 4. the non - linear interaction mechanism derived from the scale of system was discussed. the paper deemed that, falling sliding face is not a rectilinear type, the non - linear coupling of falling factors sharply enhanced in large sand - pile ; the stabilization of surface layer sands are different in the time and space, especially the stating probability is higher than halting, and probability of fault in slope foot is higher than top as well ; the faulting forms will be affected by bounder situation strongly

    大尺度散粒體坡面的崩塌滑動面,一般並非直線形,在崩塌過程中的耦合作用將增大落沙規模;理想化的沿直線坡面滑動情況,坡面表層砂粒的穩定性也並不是在時間、空間上都均衡的,可以造成起動容易止動難,或坡角失穩概率大從而牽連整個坡面的情況;長大高陡坡面的失穩形式,可以受坡腳(邊界)的巨大影響。
  20. Typical results are given to calculate mission success probability etc. in air - to - ground radar electronic combat by modeling and simulation. computer simulation is higher fidelity and full - scale than static analytical analysis, also is more flexible and lower cost than field test

    說明這種方法比經典的靜態解析分析評估法要全面和逼真,比外場實物試驗要廉價和靈活,並且面向對象的模擬模型庫可以方便地擴展到其它場景下的雷達電子戰作戰效能評估。
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