查询词典 conditional entropy

When the diffusion matrix is symmetric and locally uniform positive definite, we prove that the solution tends to the thermal equilibrium state exponentially in L〓 norm and relative entropy.

当扩散矩阵对称且局部一致正定时，利用熵方法证明了其解在L〓或相对熵意义下指数衰减到热平衡状态，并且能明确的计算出收敛速率。

Aimed at the feature of commodities retail price index, this paper puts forward a forecasting Markov chain method based on entropy right.

针对商品零售价格指数的变化特点，提出了一种基于熵权的Markov链预测分析方法。

Of, relating to, or denoting a reversible thermodynamic process executed at constant entropy and occurring without gain or loss of heat.

绝热的属于，关于或表示在恒定熵状态下完成的可逆热力过程并且无热量之获得或损耗的

First, based on the analysis of the grid Reynold number, the necessity for adopting high order scheme is emphasized when there is the complex flows with strong separation and high parameters gradient regions. Then, according to the entropy increased condition, the third order ENN scheme is constructed. Meanwhile, a fast, effective, and simple implicit numerical method called hybrid flux splitting method is developed. After that, the one dimensional model problem with many extrema and Burgers equation are simulated. Through the comparisons with exact solutions, the accuracy and effectiveness of the ENN scheme are confirmed.

首先通过对网格雷诺数的分析，论证了在求解含分离及较大参数梯度的流动时，采用高阶格式的必要性，然后从熵增原理出发，提出了建立三阶ENN格式的准则，同时发展并建立了一种快速、有效的简单隐式算法"混合通量分裂法"，通过对一维模型问题及Burgers方程的数值试验，检验了三阶格式的计算精度。

Because of the sampling processing, we can take the simple concave domain analysis and ICM optimization in two different levels, so as to make both the parameter estimation and optimization much easier to implement, while delivering a satisfactory result; The third one is based on the multi-resolution analysis, robust statistics and majority game theory. 4. Propose a new clustering algorithm based on the entropy concept, which is used for unsupervised segmentation of color images.

重点讨论非监督的图象分割问题，并给出了三种新方法：一是基于贝叶斯学习和全局竞争策略的方法，把参数估计和图象分割有机地结合在一起；二是基于分层的框架，从抽样定理出发，在两个不同的层次上使用简单的凹域分析和ICM优化，可以使得参数估计和优化问题都变得简单易行，并得到满意的结果；三是基于多级分析、鲁棒统计的参数估计和多数博弈论的优化算法。

We analyzed the question that Auto-Regressive Moving Average modal with fixed parameters predicts network Round-trip time. And put foreword estimating with timing parameter auto-adapted line regression modal based most entropy.

分析了固定参数的自回归滑动平均模型预测网络来回传输时延存在的问题，提出采用基于最大熵的时变系数自适应线性回归模型进行估计。

Thirdly, a novel parameter-varying adaptive algorithm for RTT and RTO estimations based on the information theory and the maximum entropy principle is presented.

因此RTT时间序列能用线性模型从过去的和当前的RTT数据来预测其下一个RTT的特性。

Considering the change of the volume from the liquid state to the gas state, this paper implored the Clapeyron differential equation and the equation of vapor-liquid equilibrium, then obtained the heat of gasification and the entropy from 20 K to 38 K and the saturation curve.

本文采用Clapeyron方程的微分形式和氘的汽液平衡方程，考虑氘由液态转变为气态的体积变化，计算得到20K到38K各温度对应的气化热和熵变，最后绘制出氘的饱和曲线。

Considering the cha nge of the volume from the liquid state to the gas state, this paper implored the Clapeyron differential equation and the equation of vapor-liquid equilibrium, then obtai n ed the heat of gasification and the entropy from 20 K to 38 K and the saturation curve.

本文采用Clapeyron方程的微分形式和氘的汽液平衡方程，考虑氘由液态转变为气态的体积变化，计算得到20 K到38 K各温度对应的气化热和熵变，最后绘制出氘的饱和曲线。

By combining entropy encoding, a new scatheless and highly efficient compression scheme is designed to deal with meteorological grid data.

格点资料是目前气象数据存储、传输和应用的主要形式，爆炸性增长的资料给数据的存储、传输带来了巨大压力，设计适合格点资料特点的压缩方案越来越重要。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"