查询词典 density function

Suppose Y is an absolutely continuous random variable symmetric about 0 with probability density function f and cumulative distribution function F.

假设Y是一绝对连续且对称於0的随机变数，其机率密度函数为f，而分布函数为F。

For the automatic scaling and analysis of the ionospheric parameters, a method based on the empirical orthogonal function analysis of the ionospheric electron density profiles is proposed in this paper. This method is applied to the measured ionograms of CADI (Canadian Advanced Digital Ionosonde), which is set up at Beijing Space Environment Observation Station (403°N, 1162°E).

本文针对电离层频高图参数的实时自动度量和分析问题，提出了一种基于电子浓度高度剖面经验正交函数(Empirical Orthogonal Function，简称EOF)分析的频高图参数自动度量方法，并将该方法应用到位于北京空间环境观测站(403°N，1162°E)的CADI(Canadian Advanced Digital Ionosonde)数字测高仪观测频高图的实时自动度量和分析上。

In our model the probability density function of the jump size p is general. A closed series formula of the price is given by introducing some kind of Green function and the optimal exercise boundary of the perpetual put option is given by the smooth junction condition.

文章强调跳量的概率密度函数p是一般形式的，通过偏微分方程方法引入格林函数，给出永久美式看跌期权的价格，并通过自由边界条件给出最佳实施边界的显式表达式。

Theorem A.If the density function fhas the first derivative andlogfis a concave function,the MLE of〓for the two-sample location modelPL uniquely exists.

定理A。若密度函数f具有一阶导数并且logf是严格的凹函数，则对于双子样位置参数模型在PL的限制下，〓的MLE唯一存在。

Theorem C.If the density function fhas the second derivative andlogfis a concave function,the MLE of〓for two-sample scale model PSuniquely exists.

定理C。若密度函数f具有二阶导数并且logf是严格凹函数，则对于双子样尺度参数模型在PS条件限制下，〓的MLE唯一存在。

If mark the probability density function of continuous random variable X and continuous random variable leave each other, then when,there is , there is inverse function of .

Theorem 如果将连续型随机变量和连续型随机变量的概率密度函数分别记为，则时有：，这里是的反函数。

From the statistical meaning of random load action, the cumulative distribution function and probability density function of equivalent load are developed according to the property of order statistics when load acts for many times.

从载荷作用的统计学意义出发，根据顺序统计量的性质，建立载荷多次作用时等效载荷的累积分布函数和概率密度函数。

119 4 And 0. 006 7, respectively. Both the failure probability density function and the cumulative distribution function can be presented by this degradation failure model.

所选的某型金属化膜脉冲电容器未知参数估计值为0.0001194和0.0067，将该值代入失效分布函数和概率密度函数中。

Firstly, with Gaussianizing filter being defined explicitly, a practical method on filtering performance evaluation is given. Secondly, two typical Gaussianizing filters are studied. One is called the U-filter, based on the probability density function and its derivate. The other is called the G-filter, based on the cumulative distribution function and its inverse. After implementation, mechanisms and performances of each filter are contrastively discussed, an example with lake trial is illustrated.

本文给出高斯化滤波的定义和效果评价方法，然后对比研究了基于概率密度函数及导数的U滤波和基于累积分布函数及反函数的G滤波两种高斯化实现方法、原理与性能，并使用一组测试数据刚试了它们各自的高斯化效果。

Based on constant altitude plan data like reflectivity factor, collected by a new weather radar interpolated with 3D-Barnes scheme, in this paper the vertically integrated liquid water content and vertically integrated liquid water content density of hailstone cells are calculated with the theoretical model, ration of VIL and upright height of hailstone cells, and the maximums of VIL and VILD are identified using MAX function.

以3D-Barnes方案插值的新一代天气雷达反射率因子等高平面资料，用垂直累积液态含水量（vertically in-tegrated liquid water content，简称VIL）的理论模式计算单体的VIL，用VIL与单体顶高度之比计算单体的垂直累积液态含水量密度（vertically integrated liquid water content density，简称VILD），利用MAX函数逐个提取雹云单体在降雹过程中的最大VIL和VILD（分别简称VILmax和VILDmax），采用统计和回归处理技术，利用2004-2006年的5~8月甘肃中部54例局地冰雹单体个例，对单体VILmax和VILDmax与地面最大降雹区的位置、地面最大冰雹直径之间的相关性以及对Rmax的识别效果等进行了对比分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了