cumulative distribution function
英 [ˈkjuːmjələtɪv ˌdɪstrɪˈbjuːʃn ˈfʌŋkʃn]
美 [ˈkjuːmjəleɪtɪv ˌdɪstrɪˈbjuːʃn ˈfʌŋkʃn]
累计分布函数
双语例句
- The probability density function, cumulative distribution function, average level crossing rate and average fade duration of each composite fading channel are analyzed, and some uniform expression.
给出了各种复合衰落的概率密度函数、累积分布函数、平均电平交叉率、平均衰落时间的统一表达式。 - The probabilistic distribution model for the release rates of H2S in the sour gas wells of Sichuan and Chongqing areas was developed using the complementary cumulative distribution function.
利用川渝地区含硫气井H2S释放速率数据，根据其累积概率分布函数建立概率分布模型。 - The conclusion is: the method of averager wind speed and standard deviation is the best and the method of cumulative distribution function is the better, the method of average wind speed and maximun wind speed has a large fluctuation because the maximum wind speed changed more randomly.
通过比较得到了以下结论：平均风速和标准差估计法效果最好，累积分布函数拟合法次之，由于最大风速变化比较随机，平均风速和最大风速估计法效果波动最大，整体效果差。 - Analysis and calculation show that the constant bandwidth is unreasonable in the calculation of the cumulative distribution function. So bandwidth calculated from the modified wide band model is used in the cumulative distribution function calculation.
通过分析与计算证实，在计算吸收系数累积分布函数时，采用固定的带宽将引入较大误差，为此，将修正的宽带模型中计算带宽的方法引入吸收系数累积分布函数的计算。 - The Gaussian and Gamma approximations to system capacity cumulative distribution function were very accurate.
对于系统的容量分布函数，采用高斯和Gamma近似方法，都得到很好的近似效果； - Utilizing an approximate formula of the first kind zero-order modified Bessel function I 0 ( x), an approximate closed form of cumulative distribution function ( CDF) of a Rice random variable ( RRV) is worked out.
应用第一类零阶修正的贝塞尔函数I0（x）一个近似式，推导Rice随机变量的概率分布函数（CDF）的近似闭式。 - Bandwidth is an important parameter for gas radiative heat transfer calculation, and a parameter for the calculation of the cumulative distribution function in the correlated k method.
求解有气体介质参与的辐射换热问题时，气体吸收带的带宽是一个重要的参数，同时它又是计算关联k模型中累积分布函数的参数。 - The simulations performed by the system include: sets operation, ordinary probability density function and cumulative distribution function in the teaching material, game of probability, solution of probability question and Monte Carlo simulation.
该系统可以完成的模拟演示包括：集合运算、教材中常见的概率密度函数和累积概率分布函数、概率游戏、概率论题解以及蒙特卡洛模拟等。 - They can be expressed by the nonlinear equation for the Cdf ( cumulative distribution function) of generalized noncentral t-distribution.
它们可用广义非中心t-分布的分布函数的非线性方程表出。 - In the process of applying the Bradford cumulative distribution function to practice, first it is necessary to estimate parameter of the distribution.
在将Bradford累积分布函数应用于实践的过程中，首先必须估计此分布的参数。 - The computation results shows that the method can accurately approximate the cumulative distribution function of fault critical clearing time, and reduces computational burden and improves the speed of computation.
计算结果能很好地描述临界故障切除时间的实际概率分布，且能显著地减少计算量，提高计算速度。 - Thirdly, the K distribution cumulative distribution function, the 2k order origin moments of K distribution, the parameter estimation based the two and four order origin moments of K distribution are deduced comprehensively.
详细推导了K分布概率分布函数，K分布2k阶原点矩，基于K分布二阶原点矩和四阶原点矩的参数估计表达式。 - NUMERICAL CHARACTERISTICS AND PARAMETER ESTIMATION OF THE BRADFORD CUMULATIVE DISTRIBUTION FUNCTION The pattern of cumulative growth could be fitted by the power function satisfactorily.
Bradford累积分布函数的数字特征与参数估计整个观测期内的树干直径累积生长过程可以较好地用幂函数描述。 - In this paper, reliability analysis method of point-supported curtain wall under wind load has been proposed based on Monte Carlo method. The cumulative distribution function and reliability of the structural peak displacement under different wind distribution models are obtained. Some important conclusions have finally been drawn.
基于蒙特卡罗法，提出了点支幕墙体系抗风挠度控制可靠性分析方法，得到了不同风压分布模型下幕墙最大位移的累积分布函数和抗风可靠度，并总结出一些重要结论。 - Thirdly, cumulative distribution function value of the grade serials were calculated by matlab software according to distributing function and eigenvalue. Fourthly, Monte Carlo methods mathematics can generate the grade serials.
然后根据其分布型和分布特征值，使用matlab软件编程计算，产生各序列值对应分布型的累积分布函数值，并采用分布型随机数发生方法产生随机模拟序列。 - The strain amplitude aside the pin-hole was fit by the second order Response Surface. The cumulative distribution function of strain amplitude was achieved with Monte Carlo method.
采用响应表面法进行应变变程函数拟合，得到销钉孔边应变变程二次函数分布。 - The cumulative distribution function is exactly Rayleigh's except that only integral numbers are taken for the variable, the distribution function thus built up is named discrete Rayleigh distribution function.
由此建立起的累计分布同于瑞利分布而变数只取整数值的分布函数称为离散瑞利分布函数。 - We analyze the cumulative distribution function ( CDF) and probability dense function ( PDF) of output signal-noise-rate ( SNR) at the optimal relay node and destination node theoretically.
理论推导出该算法下最优中继节点和目的节点处输出信噪比的累积分布函数以及概率密度函数。 - According to the cumulative distribution function of wind power, the stochastic optimization problem is transformed to a deterministic one.
利用风电出力的分布函数将随机模型转化为确定性模型进行求解。 - And we prove it can achieve better effect than Fisher z transformation in approximating the cumulative distribution function, by comparing the difference between Fisher z transformation and Sigmoid function with that and the cumulative distribution function.
通过比较该函数和FisherZ变换与累积分布函数的差值，证实了这种Sigmoid函数可以实现比FisherZ变换对累积分布函数更好的逼近效果。 - Compared with the performance of the IEEE 802.16d standard, the IPR method achieves better Complementary Cumulative Distribution Function ( CCDF) performance without BER performance degradation almost.
与IEEE802.16d标准中峰均比性能相比，本文提出的方法能在几乎不损失系统BER性能的情况下，获得良好的互补累积分布函数（CCDF）性能。 - Based on sustainability assessment, by cumulative distribution function of data from evaluation, the division was made depending on groundwater sustainable assessment result in current year, and reasonable exploitation and utilization suggestions were proposed about each division.
在可持续评价的基础上，创新利用评价结果数据的累计分布函数，对现状年地下水可持续性评价结果做了区划，并针对每种区划提出了合理化的开采利用建议。 - The algorithm starts by setting a threshold value based on the data analysis for the cumulative distribution function of channel gain information, only the users whose channel gain values are above the set threshold value are considered.
该算法通过对信道增益累积分布的分析得到一个阈值，并将信道增益大于该阈值的用户作为候选用户。 - In this project I analyze the PAPR of SC-FDMA and analytically derive the time domain SC-FDMA signals and numerically compare PAPR characteristics using the complementary cumulative distribution function ( CCDF) of PAPR.
在这篇论文中，我分析了SC-FDMA的PAPR并且解析地导出SC-FDMA的时域信号，并利用PAPR的互补累积分布函数（CCDF）对它们的PAPR特征进行数值比较。 - For both LOS and NLOS cases, different MIMO capacities are calculated and examined. For the better comparison, the Complementary Cumulative Distribution Function ( CCDF) of MIMO channel capacity is calculated.
本文计算并比较了在LOS和NLOS情况下MIMO的容量差异；为进行更好的比较，还计算了MIMO信道容量的互补累积分布函数（CCDF）。