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gamma分布函数
相关语句
  gamma distribution function
     The Gamma distribution function Γ(x|α,β),α>0,β>0 is always used as a prior distribution density function of bayes expontional reliability growth model.
     Gamma分布函数Γ(x|α,β),α>0,β>0通常用做贝叶斯指数可靠性增长模型的先验分布密度函数。
短句来源
     Take the Gamma distribution function as the fitting function, fit with the way of least square and calculate the characteristic parameters from the Gamma function.
     选择Gamma分布函数作为拟合函数 ,使用最小二乘法进行拟合 ,并从Gamma函数计算特征参数。
短句来源
     The Gamma distribution function Γ(α,β) is always used as a prior distribution density function of Bayesian exponential reliability growth model. Different value of α,β will make considerable difference in evaluating results.
     Gamma分布函数Γ(α,β)常常用作贝叶斯指数可靠性增长模型的先验分布密度函数,参数α、β值的不同,将使增长试验的评估结果有很大的差异。
短句来源
  “gamma分布函数”译为未确定词的双语例句
     According to the minimum mean-squared-error criterion of quantization the optimum uniform and nonuniform quantizing characteristics are calculated respectively on the assumption that Gamma and Laplacian distributions are used as possible amplitude probability densities of speech signals.
     根据量化误差均方值最小准则,假定语声信号的幅度概率密度为Gamma分布函数和Laplace分布函数,分别计算出相应的最佳非均匀量化特性和最佳均匀量化特性。
短句来源
     Theage-specific probabilities of the fecundities of the females at 8-30℃ could befitted with the equations similar to the density function of Gamma distribution in sta-tistics.
     8~30℃下雌虫的繁殖动态可用类似于统计学的Gamma分布函数来拟合。
短句来源
  相似匹配句对
     Distribution Cosine Functions
     分布余弦函数
短句来源
     PHASE-SPACE DISTRIBUTION FUNCTION
     相空间分布函数
短句来源
     Bootstraping Estimation of Parameters for Gamma Distribution
     Gamma分布的Bootstrap估计
短句来源
     On the Stability of Gamma Functional Equation
     Gamma函数方程的稳定性
短句来源
     The Marshall-Palmer(M-P) exponential and the gamma functions are widely used to represent characteristics of observed raindrop size distributions.
     M-P分布Gamma分布是常用的两种雨滴谱分布函数
短句来源
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  gamma distribution function
Size spectra of stratospheric particles sampled by some authors at different altitudes have been analyzed in terms of the modified gamma distribution function in order to derive appropriate size distribution models.
      
Lennard-Jones' potential theory and Dubinin's theory (TVFM) are used in the equilibria data to derive the MPSD, which is well fitted by a Gamma distribution function.
      
At least 80 pct of the aspect ratios observed in all three tests were adequately represented by a gamma distribution function.
      
At least 80 pct of the aspect ratios observed in all three tests were adequately represented by a gamma distribution function.
      
The molecular weight distributions for feed resin and subsequently separated sol and gel phases are determined by gel-permeation Chromatograph and they are correlated by the gamma distribution function.
      
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According to the minimum mean-squared-error criterion of quantization the optimum uniform and nonuniform quantizing characteristics are calculated respectively on the assumption that Gamma and Laplacian distributions are used as possible amplitude probability densities of speech signals.

根据量化误差均方值最小准则,假定语声信号的幅度概率密度为Gamma分布函数和Laplace分布函数,分别计算出相应的最佳非均匀量化特性和最佳均匀量化特性。

A procedure was proposed for continualizing the parameters in Redlich-Kwong equation of state to meet the precision requirements of vapor-liquid equilibrium calculation of petroleum fractions and other complex mixtures. By applying polynomial spline approximation technique to arbitrarily distributed pseudodifferential components in complex mixture, the continualized Redlich-Kwong equation predicts bubble points and equilibrium flash vaporization in excelent agreement with the experimental data.

本文首先评述了八十年代以来国外开始出现的关于连续热力学的研究,指出用Gamma分布函数逼近复杂混合物中组分分布的缺点。作者用样条函数表达复杂混合物的组成,并提出了一套由实验数据辨识状态方程中物性参数作为复杂混合物中虚拟微组分的准连续函数经验方程的工作步骤。本文以石油馏份作为典型的复杂混合物,又根据前人的工作选用Redlich Kwong状态方程作为骨架,确定了一组计算状态方程中物性参数作为连续函数的经验估值方程。作者又以实验数据的直接经验关联为基准,评定估值方程的拟合情况,进而引入新的自变量,使计算精度得到显著提高。用以上步骤得到的一组方程进行石油馏份汽波平衡的温度、组成或汽化分率等计算时,与实验数据的吻合远优于原Redlich-Kwong方法。

In this paper,the survival,reproduction and dynamics of the diamondback moth(DBM),Plutella xylostella(L.)were studied under l l scales of constant temperatures. The main results were followed:The survival rate of the generation of DBM,whichreached the maximum at 25℃,was parabolically related to temperature. The eggscould not hatch over 35℃. The pupae were particularly sensitive to lower than 8℃The oviposition duration of the females reduced with the increase of temperature. Theage-specific probabilities of the...

In this paper,the survival,reproduction and dynamics of the diamondback moth(DBM),Plutella xylostella(L.)were studied under l l scales of constant temperatures. The main results were followed:The survival rate of the generation of DBM,whichreached the maximum at 25℃,was parabolically related to temperature. The eggscould not hatch over 35℃. The pupae were particularly sensitive to lower than 8℃The oviposition duration of the females reduced with the increase of temperature. Theage-specific probabilities of the fecundities of the females at 8-30℃ could befitted with the equations similar to the density function of Gamma distribution in sta-tistics. The parabolical curves could well regress either the averge fecundity of the fe- male or the population trend index(I-value)of DBM laborotory population againsttemperature.The maximum average fecundity and the maximum I-value both ap-peared at 23℃,The intrinsic rate of increase of DBM ascended as temperautre be-came higher,and reached its maximum at 30℃,and then redueed dramatically whentemperature went up continuely.

该文研究了11种恒温(8~35℃)对小菜蛾实验种群的存活、繁殖与种群增长的影响。结果表明,小菜蛾世代存活率与温度之间呈抛物线相关,以25℃时的存活率最高。在35℃及以上的高温下,卵不能孵化,蛹对8℃及以下的低温特别敏感。雌虫产卵期随温度的升高而缩短。8~30℃下雌虫的繁殖动态可用类似于统计学的Gamma分布函数来拟合。雌虫繁殖力和种群趋势指数与温度之间均呈抛物线相关,也均在23℃时达到最大值。内禀增长率随温度的升高而增大,至30℃时达到最大,随后则迅速下降,35℃时降至零。

 
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