查询词典 likelihood method

The constants in the curves are estimated by a mathematical programming method to be in agreement with the maximum likelihood principle. Availability of the approach has been indicated by an analysis of the S-N data of 45＃ carbon stell-notched specimens (kt=2.0) subjected to fully reversed axial loads.

曲线中的材料常数按极大似然原理采用数学规划法求出。45＃碳钢缺口试样kt＝20）对称循环加载试验数据的分析说明了方法的有效性。

The present invention relates a method and apparatus for receiving signal in MIMO CDMA system, charactered in that: on transmitting side, transmit signal by at least two antennas; on receiving side, receive at least one antenna, and obtaining channel paraneters by estimation of channel, using the channel parenters and maximum likelihood principle into MIMO+CDMA system, solving the problem of receiving signal in multiple mobile environment in effect.

本发明为一种基于MIM0 CDMA的接收方法及装置，其特征在于，发射端：至少采用两个发射天线发射信号；接收端：至少采用一个接收天线接收发射天线发射的信号，并且通过对信道的估计获得信道参数，采用该信道参数和最大似然原理的步骤得到输出信号。本发明将ML原理应用于MIMO+CDMA系统中。

Empirical likelihood, proposed by Owen(1988, 1990), is a nonparametric method of inference.

经验似然是Owen(1988，1990)提出的一种非参数统计推断方法。

Empirical likelihood is a nonparametric statistical method used to construct confidence regions for multivariate means,and more generally,for parameters defined by estimating equations.

经验似然是一种非参数统计方法，用于对多元均值参数和更一般地，由估计方程定义的参数，构造置信域。

Finally, a new distributed detection method is presented in this thesis while data from multiple-sensor are not independent. The orthogonal transformation is adopted for the data de-correlation, so a simple likelihood ratio rule can be used.

最后，利用正交变换的原理，本论文又提出了一种对两传感器相关量测数据解相关的方法，从而可以继续使用比较简单而成熟的似然比判决形式。

The method of seeking for the statistical parameters of Pearson Ⅲ distribution with maximal likelihood methodis recommended to ascertain the urban storm intensity formula .

本文根据极大似然法推求统计参数的理论，提出在推求城市暴雨强度公式时可以采用极大似然法计算皮尔逊Ⅲ型分布统计参数的方法，经推求浙江省暴雨强度公式的实践检验，证明该方法是可行的

Based on the analysis of the Doppler effect of the mobile channel, the performance of two MIMO-OFDM systems (STTC-OFDM and SFBC-OFDM) in the fast-moving environment is studied. Then, the algorithm for channel estimation based on the training sequence is extended into the fast-moving environment by introducing the space-frequency coding, the method of the equal-interval pectinate pilot-inserting, and the complete Maximum-Likelihood space-frequency decoding.

针对快速移动环境中存在的多普勒效应，研究了两种多输入多输出正交频分复用系统在快衰落信道中的误码性能，采用空频编码梳状等间隔导频插入方式，以及完全最大似然空频分组码解码算法，使用导频与接收信号进行信道参数估计，将一般多输入多输出正交频分复用系统中的基于训练序列的最小均方误差信道估计算法推广到了快衰落信道环境中。

A new algorithm based on the expectation-maximization method is proposed to obtain the maximum-likelihood estimation of the polynomial model parameters over the 2-D observed data.

在多项式模型的基础上，结合期望最大化方法的思想，提出了一种利用时频面上的二维数据来获取模型参数的最大似然估计值的算法。

Based on maximum likelihood estimate, the estimate method of sieving rate of connectivity sieve was presented. Three key issues in the estimate were analyzed:calculation of sample size,generation of random sample, and recognition of connectivity of induced subgraph. By preassigned credibility and precision, effective estimate of sieving rate of connectivity sieve is achieved.

目前，产品拆卸过程规划基本上是建立在图的基础上，即首先根据产品拆卸回收或拆卸维修信息，选用一种适合的图模型进行描述，然后在图模型的基础上，以拆卸回收或拆卸维修的经济性、环境协调性和技术性等综合指标最优为目标，进行拆卸过程规划，最终得到产品的最优拆卸序列【1一。1连通性筛子拆卸与或图是拆卸模型中的一种，文献[7]给出了拆卸与或图的定义及建模过程。

In this note, a new approach is presented which calculates analytically the experiment estimator distribution via a Fourier transform, using the likelihood ratio as an ordering estimator. The analytic approach enjoys an enormous speed advantage over the toy Monte Carlo method, making it possible to quickly and precisely calculate confidence level results.

本文则介绍一种新的计算方法，通过定义似然函数比为实验的估计值，并应用Fourier变换，用解析的方法计算出置信度，与toy Monte Carlo方法相比，解析方法可极大地提高计算的速度和精度。

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。