查询词典 random deviate

With the development of the technology of information and computer, the information resource become more and more transparent, so people play more and more attention to the security of information, so the random number plays an important role in the security of information.

随着信息技术和计算机技术的飞速发展，信息资源公开化程度越来越高，这使得信息安全越来越受到人们的关注，而随机数在信息安全中有着重要的地位。

Discussing the pre-processing of scanning beam and scatter point cloud data, the automatic or interactive filtering techniques and random sample or grid condensability of point cloud data are explained, and a pre-processing method having actual effect is summarized.

研究已有的模型重建技术，如插值和逼近拟合离散点，利用原型的几何及拓扑信息，构建近似模型来逼近原型；基于原型的几何特征和约束的复原为目标，得到优化的CAD模型。

Then this paper introduces the definition of conditional random fields, the graph structure, potential functions, parameters estimation and probability computations.

进一步地，将条件随机场模型应用于中文命名实体识别任务，提出了适合于各类中文命名实体的特征模板，并通过实验进行验证，确定了有效特征。

Adopt the generalized maximum likelihood radio test based on the Neyman-Pearson algorithm, to study two unresolved Rayleigh targets. And deduced the detection statistic which is chi-square random variable, which only need to know the conditional probability density functions of echo's measured amplitude, in-phase and quadrature of monopulse radio, but the signal-to-noise radio and the direction-off-arrival of any signal are unnecessary.

采用基于涅曼-皮尔逊准则的广义似然比检测，对不可分辨的两个瑞利目标进行了研究，推出了服从χ2分布的检验统计量，此方法只需要知道目标回波信号测量幅值的条件概率密度函数、单脉冲和差比值的同相和正交部分，而不需要任一目标信号的信噪比和DOA的先验知识。

We build the system using the maximum entropy model and conditional random field model.

我们分别采用最大熵和条件随机场这两种基于统计的模型建立了系统。

In previous researches, the Maximum Entropy model and Conditional Random Field model have been widely used in the study of Chinese Word Segmentation.

分词是汉语自然语言处理研究中非常重要的一个环节，在早先的研究中，最大熵模型和条件随机场模型已经广泛运用到汉语自动分词的工作中。

First, regarding the gray values in images as discrete-valued random variables makes it possible to make a much simpler estimation of conditional entropy.

首先，把图像的灰度值视为离散的随机变量，从而可以采用更为简单的方法估计条件熵。

Two steganography security definitions fitted for images are proposed from different points of view. One is in terms of the relative entropy based on the reversible de-correlation transform. The other is in terms of the conditional relative entropy using the markov random field model for images.

分别从两个不同的角度提出了新的适合图像载体的掩密安全性定义：基于可逆去相关变换的相对熵安全性定义和基于Markov图像模型的条件相对熵安全性定义，并分别以不同的图像模型对这两个定义进行了讨论。

Random sets ; Data fusion ; Fuzzy sets ; Conditional event algebra

随机集；数据融合；模糊集；条件事件代数

The deep context of doctor candidate includes the nonlinear filter, conditional event algebra and random sets theory, which are the most advanced research schools of information fusion.

博士生的内容主要以非线性估计、条件事件代数和随机集理论为基础，研究异类异构信息的融合。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。