查询词典 parameter estimation

Simulation results showed that the new estimation algorithm greatly improved the accuracy and reliability of parameter estimation.

仿真结果表明，该估计算法显著提高了估计的准确度和可靠性。

Single parameter estimation of water quality model;multiparameter estimation of water quality model

一种股票或证券的市场价格低于估计的价值。

In present, the discussions of EB estimation are almost all about to exponential distribution family and truncated distribution family, but linear exponential distribution is not exponential family and truncated family, thus, Empirical Bayes estimation for parameter of linear exponential distribution are studied in chapter 4 and chapter 7 that is new aspect.

当前对经验Bayes估计的讨论，大多是对指数分布族以及截断分布族的，线性指数分布即不属于指数分布族也不同于截断型分布族，因而在论文的第四章和第七章研究线性指数分布参数的EB估计是具有一定的新颖性的。

We introduce a method of statistic based on generalised extreme value distribution in the estimation of WCET, and proposed a statistical module of WCET and the methods of parameter estimation and checkout for the module, then derive the value of the program\\\s Worst-Case Execution Time by using the module.

在WCET的估计中，引入了基于广义极值分布的统计方法，给出WCET的统计模型及其参数估计和验证方法，并应用本模型导出了程序的最坏情况执行时间。

From the results of expanded state estimation application, which is a representative parameter estimation method proposed before, it often happened that the parameters could not be estimated or estimated imprecisely.

扩展状态估计法是一种有代表性的参数估计方法，在该算法的实际应用中，发现支路参数不可估计或者估计结果不合理的现象时有发生。

Then, we discuss a robust implementation of the pilot-symbol-aided estimator that is insensive to channel statistics. The analysis of these algorithms is made by computer simulation. Finally, combinating with the application of channel estimation , we present two techniques: STBC (space-time block coding) and STTC (space-time trellis coding) to improve the performance of channel parameter estimation.

在基于导频的估计中，研究了基于MMSE下二维导频辅助信道估计，并结合无线信道的统计特性在一般不可知的条件下，给出了一种对无线信道的统计特性不是很敏感的鲁棒的二维导频辅助信道估计器，通过实验仿真证明其有效性。

We consider multisensor statistical interval estimation fusion for the purpose of estimation of a parameter θ.

最后，用计算机数值模拟数据，比较了在各种固定融合律下，分布式Neyman-Pearson判决的性能。

Klein in 1977 used for the estimation of bias and scale factor errors are firstly analysed in details, a new three-step procedures for compatibility checking and a algorithm to improve the robustness of parameter estimation are given, the disadvantages of klein's model is overcomed.

在飞行试验设计方面，首先详尽地分析了传感器和数据采集系统中可能存在的误差情况及其对参数辨识的影响，系统地进行了飞行试验设计，之后给出了一套飞行实测数据的预处理方法。

In this method, the Maximum Likelihood Estimation and the Minimum Distance Estimation are integrated to settle the location parameter estimator.

针对三参数威布尔分布参数估计存在的问题，提出了参数复合估计法，将极大似然估计和最小距离估计有机结合，创造性地解决了位置参数估计问题。

Theorem2.1 Let EXXT is invertible , then a, b, are consistent estimation, that is to say Theorem3.2 Estimation of a is a = 1,, where x2(n - p - 1,) is noncentral x2-distribution, n - p - 1 is degrees of freedom, is noncentrality parameter.

变换下回归模型的似然估计第二节对于特殊的模型，即考虑了线性变换给出了极大似然估计的显示解，即第三节是对第二节的补充，考虑了极大似然估计的条件分布，得出主要结果如下

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了