正態密度 的英文怎麼說

中文拼音 [zhēngtàimìdù]
正態密度 英文
normal density
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained

    在有限溫度下，介觀電路系統實際上並不處在一個確定的量子狀態，而是處在混合態.根據正則系綜的密度矩陣導出耦合互感電路中電荷和電流的量子漲落，得到了量子漲落與溫度的依賴關系
  2. The probability density distribution of + conforms to the lognormal behavior

    低速帶間距的概率密度分佈可用對數正態分佈來描述。
  3. This too is coming but not until earth attains a 5th dimensional physicality

    這一天正在到來，不過要等到地球完成第五密度形態為止。
  4. Elementary solution to heat equation and density function of normal distribution

    熱傳導方程的基本解與正態分佈密度函數
  5. The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed. the quantitative parameters of small watershed topographic feature are average watershed slope, average slope length, gully density and so on, which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature, which are complex

    地貌形態是影響小流域侵蝕產沙的主要下墊面因素之一，其量化參數一般繼承坡面地貌特徵量化方法（如坡度、坡長因子）而採用平均坡度、平均坡長及溝壑密度等參數，這些參數僅是對流域地貌形態的概化和單因子表達，沒有真正反映流域地貌形態復雜的本質特徵和相互聯系。
  6. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構，證明了矩陣正態? wishart先驗分佈是模型參數（ ， ）的共軛先驗分佈，研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計，對模型預報密度函數進行了嚴格的數學推導，並將其應用於多元質量控制領域，構造了貝葉斯均值向量聯合控制圖；結合wishart分佈與x ~ 2分佈之間的關系，設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  7. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  8. The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed

    通過建立洪水預報誤差分佈的最大摘模型，計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰現時間預報誤差的概率密度函數，並將其概率密度函數曲線與正態分佈曲線進行比較。
  9. The systematic and synthetic description and review of lianas, chiefly in tropic, are described and reviewed in this paper, in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase, and some ecological consequence are resulted from which

    摘要對藤本植物（以熱帶為主）研究的動態與發展進行了綜述，其中包括： （ 1 ）藤本植物的概念及重要性； （ 2 ）藤本植物區系和分佈； （ 3 ）藤本植物的生物學特性； （ 4 ）藤本植物的生態學特性； （ 5 ）藤本在森林中的多度（密度）及種的豐富度； （ 6 ）藤本在空地上聚生的生態意義以及它們在森林演進過程中的消長； （ 7 ）藤本與樹木的相互關系； （ 8 ）藤本對森林正面和負面的影響； （ 9 ）藤本的攀援方式類別及其競爭優勢； （ 10 ）全球氣候變化（ co2濃度增高）促進藤本優勢度增長並導致不良的生態後果。
  10. Because the return rate has many good characters such as the following, we estimate the return rate by use of the characters. theorem 1 [ 20 ] set kernel function k ( u ) and density function f ( x ) satisfy the following conditions

    第三部分研究在收益率不服從正態分佈的情況下用核估計方法對股票的收益率密度做出估計，然後算出在期滿日時的股價，再用非參數估計方法對歐式看漲期權價值進行評估
  11. The ica - based method without assumption that data follow normal distribution, can easily calculate the joint probability density function of independent components ( ics ), because each of ics statistically independent

    採用獨立分量分析的方法可以避免數據服從正態分佈的假定，且由於各個獨立成分之間統計獨立，其聯合概率密度函數可以很方便的求取。
  12. We deduce easily the coherent term of quantum dynamical model ( the off - diagonal of reduced density matrix ) by improving the nature of displace operator and the nature of coherent states. then, the interaction is energies of a two - photon mechanism and the usual one - photon or liner driving mechanism. we deduce the coherent term by improving the nature of squeezing operators, displace operators and canonical transformation

    其一，僅有阻尼相互作用和勢能相互作用，此時利用位移算符的性質和相干態的性質很方便地推導了量子動力學模型的相干項（約化密度矩陣的非對角元） ；其二，考慮的是既有單光子相互作用又有雙光子相互作用，這時利用相干態、壓縮算符及正則變換等的性質推導出相干項。
  13. Compared with traditional pca - based methods which assumes that the data are independent and follow normal distribution, this kernel - density based method does n ' t require any assumption on data distribution

    而傳統的基於主元分析的系統性能監控方法都是假定測量數據相互獨立且服從正態分佈的，採用核密度估計方法無需對數據的分佈作任何假定。
  14. The paper is an attempt to put forward fitting julyk distribution curve by statistic histogram curves fitting based on area constraint and to estimate whether sample data meet normal distribution or not

    摘要提出利用基於面積約束的統計直方圖密度擬合方法把試捲成績樣本數據擬合成一條連續的曲線，並判斷樣本數據是否符合正態分佈。
  15. The probability density distribution of the particle velocity fluctuation differs in different flow regions, and is approximately normally distributed where the space restrictions are small. velocity fluctuation of particles with different sizes is similar

    顆粒脈動速度的概率密度分佈隨流區有所差異；在空間尺度影響較小的范圍接近正態分佈；各種粒徑的顆粒脈動速度具有相似的特性。
  16. Speech separation algorithm based on laplace normal mixture distribution probability density function estimation

    基於拉普拉斯正態混合分佈概率密度函數估計的語音分離演算法
  17. ( 3 ) for classification of states, a scheme has been proposed, in which we can translate any three - particle matrix into the special form p3 by random local unitary transform, and make use of this special state p3 to classify quantum state

    （ 3 ）對于量子態的分類問題曾有人提出通過隨機局域幺正變換把任意三粒子量子態密度矩陣轉化為一種特殊的密度矩陣_ 3的形式，並利用_ 3這一特殊形式對三粒子量子態進行分類。
  18. For ecological system, the state of the system in a moment will be influenced by the state in history as well as by the relation of species at that moment, say, the influence of time delay, and so if we consider it, we will be more precisely in discribe the change and development of the system ; on the other hand, the population of species may be distributed in different patchs because of the influences of envionment or artificial element, this made us had to consider not only the time element but also the spatial element, said the diffusion of species

    對于生態系統而言，系統在某時刻的狀態（即種群密度的增長率）不僅受到當時各種群間關系的影響，也應當受到歷史的制約，也即是時滯效應的影響，因而在生態系統中考慮時滯因素，將能更正確的描述系統的變化于發展；另一方面，由於環境或人為因素的影響而使種群的分佈呈現一定的區域性，這就使得我們在對其進行研究時不僅要考慮時間因素，更應該考慮空間因素，即種群間的擴散效應。
  19. The average range of nonthermal radiation particles is direct proportion to the energy extent of nonthermal radiation particle, but also inverse proportion to the density of stellar gas, however, to the stationary black hole with mass multipole moment and nonstationary black hole, the average range of their nonthermal radiation particle still has something to do with direction, which are the new results reported firstly

    非熱輻射粒子的平均射程與非熱輻射粒子的能量范圍成正比、與星際氣體的密度成反比；對動態黑洞和一類具有質量多極矩的穩態黑洞而言，非熱輻射粒子的平均射程還與方向有關。這些都是首次報道的新結果。
  20. In the paper, firstly, present the formulation and application of proper orthogonal decomposition of covariance and cross - power spectral density matrices are presented in the analysis of wind load effects on structures. then the dynamic response of linear structures subjected to random loads is analyzed by a technique called double modal transformation ( dmt ) that is expressed through a double series whose terms depend on structural and loading modes

    本論文中首先通過求相關矩陣和互功率譜密度矩陣特徵值問題給出了本徵正交分解的公式，並利用pod與結構模態相結合的雙模態方法來分析結構的動態響應，主要討論了截斷高階荷載模態對風致響應的影響。
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