查询词典 estimator

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。

It is very interesting that the conditional expectation of the integer ambiguity solution is just equal to the admissible integer estimator of this ambiguity vector.

非常有趣的是模糊度整数解的条件期望就是这个模糊度向量的可容许整数估值。

In this paper, we improve the EWMA Futures Margin based on normal distribution assumption and propose a new model of futures margin based on skewed EWMA estimator which based on the asymmetric laplace distribution that is sound to capture leptokurtosis and fat-tail.

本文是对建立在正态分布假设的EWMA期货保证金模型的改进。文中引入基于非对称Laplace分布发展起来的有偏型EWMA方法，建立了新的期货交易保证金模型，较好地反映了期货合约价格序列有偏、厚尾的现象。

Simulation of virtual array beamforming algorithm based on least squares estimator.

基于最小二乘估计的虚拟阵元波束形成仿真。

The Least Z-Difference algorithm using Least Trimmed Squares estimator is proposed in this paper.

提出一个使用截尾最小二乘估计的最小高差算法，该算法在迭代过程中通过基于高差直方图的自适应阈值来区分变形区观测量。

In this paper,we study the asymptotic properties of the SCAD-penalized least squares estimator in sparse,high dimensional,generalized linear model.

本论文研究稀疏高维背景下的广义线性模型的SCAD惩罚最小二乘估计的渐近性质。

And the result is sub-pixel accuracy. The least squares estimator circle detection algorithm is faster than Hough transform.

最小二乘圆检测法较Hough变换计算速度快，对由光照引起的边缘缺失有一定的适应性。

It still can be used when edge is absent due to low illumination.FFT correlation and least squares estimator algorithm can be applied to locate the entrance of oil train and its detection result is good.

将基于FFT的相位相关法和最小二乘圆检测法应用于铁路油罐车的罐口检测定位中，得到了良好的定位效果。

Secondly, two kinds of robust adaptive control algorithms are put forward by making use of the normalization method and recursive least squares estimator with adequate adaptation freezing.

第二章讨论结构不确定系统的完备描述问题，在此基础上，首次建立了鲁棒自适应控制问题的一般提法，并提出了控制系统定性-定量建模理论与方法。

At first, we list some preparation knowledge which is a necessary tool, such as matrix analysis, the theory of orthogonal matrix and project matrix, the least squares estimator.

文章首先列举了一些需要用到的相关预备知识，主要有矩阵分析，正交阵和投影阵，参数估计的最小二乘法等，这些研究线性模型的参数估计问题中必不可少的工具。

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