The algorithms " accuracy is compared with the traditional quaternion algorithm via digital simulations . the simulation results are accord to the theory conclusion . and in this paper , it is discussed that how to select the optimal sample algorithm and how to make full use of the gyro data per update 在纯锥运动条件下进行了数字仿真,对各算法的精度进行了比较,仿真结果与理论结果一致,另外对如何选取旋转矢量几阶子样算法作为姿态更新算法,以及如何合理利用陀螺仪输出信息的问题进行了说明; 5
( 3 ) adaptive sample algorithm such as predicted covariance threshold method , pre - establish sample interval method , and recursive method have been researched . we especially analyze the advantage and disadvantage of predicted covariance threshold method and pre - establish sample interval method , and present an improved pre - establish sample interval method 分析了当前常用的预测协方差门限法,预先定义采样间隔法以及递推法,特别分析了预测协方差门限法和预先定义采样间隔法的优缺点后,综合两者的优点提出了改进的预先定义采样间隔法。
This algorithm laid the foundations of other sampling inference algorithms , such as importance sampling algorithm and like - hood weight sampling algorithm . in this paper , the description of accurate and complexities of some kinds of sampling algorithms are presented on the basis of introduction to basic concepts of bayesian networks . first , the mathematical foundations of them are given here in view of statistics 本文首先介绍了bayesian网的一般概念及推理任务,并主要着眼于bayesian网推理算法的数学原理,提出了样本平均值算法,对几种推理算法从数学角度做出本质性的刻画,给出各自的复杂度和精确度的理论分析,证明了他们在各种情况下的推理效率。
Analyze cure algorithm , give some improvements to the sampling algorithm and realize the algorithm in a client intelligent analysis system ( cias ) 1 . have a research and discussion over outlier detection . analyse some reason to result in outliers . especially discuss the distance - based outlier detection methods , put forword an idea that can quicken the procedure of outlier detection by utilizing partition 研究和探讨了异常(孤立点)检测问题,分析了导致异常的某些原因,讨论了基于距离的异常检测方法,提出了利用分块来加快发现异常的速度以及初步把聚类和异常检测结合起来的思想。
Abstract : the paper proposes a mathematical model of a / d converter with quantizing error , nonlinearity and differential nonlinearity errors for computer simulation , and based on the model , the errors caused by voltage change , current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms 文摘:本文提出了具有量化误差、非线性误差和微分非线性误差的a / d转换器的数学模型,在该数学模型的基础上,仿真分析了非同步采样法、准同步采样递推算法各种情况下的误差,包括功率测量中电压线性、电流线性、相位变化误差及电压测量的误差。