查询词典 orthogonal

In order to adapt orthogonal digital video signal processing,it adopts orthogonal processing technology,advanced methods of range error extraction,high accuracy range quantization error and high-speed code complement counter etc.

为了适应正交数字视频信号的处理，采用了正交处理技术、先进的距离误差提取方法、高精度距离量化误差及高速反码计数器等新技术

Global estimation of modal parameters using fraction orthogonal polynomials possesses higher precision than the general rational fraction orthogonal polynomials algorithm.

整体正交多项式识别算法利用整体最小二乘方法来辨识结构模态参数，识别精度一般高于普通意义上的正交多项式拟合算法。

A bstract: This paper focus on virtual instrument design of modal parameters identification with curve fitting theory based on rational fraction orthogonal polynomials. Using Forsythe orthogonal polynomials solves the coefficient equation instead of normal power polynomials in order to decrease the morbidity of it, making the orders of coefficient equation reduce to half and increasing computing efficiency.

本文基于有理分式正交多项式曲线拟合理论对振动系统的模态参数辨识进行了虚拟仪器的设计，为了减少系数矩阵的病态，采用 Forsythe 正交多项式代替普通的幂多项式进行求解，使系数矩阵阶次降低近一半，提高了运算速度。

The measurement system error model analysis is introduced into power system real time network state analysis as an important part for the first time, which can improve on the state estimation quality and provide the capability to monitor the operation of the measurement system; 2. The theory and algorithm of the on-line estimation and update of measurement noise variance based on the relation between the residual variance and noise variance. The statistic properties of the sample variance are discussed and the relation between the estimation precision and sample size under given confidence level is derived; 3. The theory and algorithm of detection and identification of measurement bias are presented, which is based on the relation between residual mean and noise mean. The statistic properties of sample mean are discussed and the relation between estimation precision and sample size is derived; 4. The Givens orthogonal transformation algorithm is selected to be the essential algorithm of state estimation, the fast orthogonal transformation algorithm with damp factor and the algorithm which can handle the zero injection measurements efficiently are presented; 5. The quantity analysis theory of bad data detectivity and identifibility are presented, which describes the relation between the elements in matrix W〓 and bad data amplitude and can provide the theory base for measurement system design and valuation.

一、首次将量测系统误差模型分析做为一个环节引入电力系统实时网络状态分析中，为EMS系统增加了实时监视系统运行、修正量测系统误差模型的新功能，进一步发挥了实时网络状态分析应用软件的潜力；二、首次提出了应用样本方差在线估计与修正量测系统误差方差的基本理论，讨论了样本方差的统计性质和概率分布，推导出了样本容量、估计精度和置信度之间的关系，给出了在线估计与修正量测系统误差方差的算法；三、首次提出了应用样本均值在线检测与辨识量测偏差的基本理论，讨论了样本均值的统计性质，推导了样本容量、估计精度和置信度之间的基本关系，给出了在线检测与辨识量测偏差的算法；四、在状态估计算法设计中，以Givens变换算法做为基本算法，提出了快速正交变换阻尼因子法和可以有效地处理零注入量测的混合法，并对实时应用中的一些问题进行了讨论；五、提出了不良数据可检测性与可辨识性的定量分析理论，揭示了描述量测系统配置、网络结构与参数的残差灵敏度矩阵中的元素与不良数据的幅值在可检测、可辨识能力上的定量关系，为量测系统配置设计与评价提供了理论基础；六、综合国内外最新研究成果，采用自适应自回归预测技术和稀疏矢量技术，构造了较完善的不良数据检测与辨识算法。

Based on the Walsh functions, a new orthogonal system {T}(subscript n∈N) is presented, which is a sequence of piecewise linear functions that are of form triangle shape on subintervals of [0,1], named triangle orthogonal system.

基于Walsh函数，建立一个新的函数系{T}下标 n∈N(上标。它是一个分段线性函数序列，在[0，1]的子区间上其函数图像呈现三角形。并且证明了它是C[0，1]上一个完备的正交函数系。

The orthogonal design of fifteen factors and two levels is made. At the same time, fifteen components are tested and five key factors have been selected out .Finally the second orthogonal design of five factors and four levels is carried on and the new optimum component of artificial diet of rice stem borer is reached.

同时，本文从已报道的不同二化螟人工饲料中选择了15种饲料成分，采用15因子2水平的正交试验设计，对这15种成分进行了优化，并从中筛选出5个关键因子，然后对这5个关键因子进行了5因子4水平的第二次正交试验优化设计，得出了二化螟人工饲料新的优化配方。

Standard orthogonal design and Improved orthogonal design are used respectively in transition trajectory optimization design of suborbital launch vehicle.

运用标准正交设计法和改进的正交设计法优化亚轨道飞行器再入段轨道参数。

There are two kinds of models about the higher-order correlation networks. In the two-state model, the higher-order Hebbian algorithm is usually used. For this Hebbian algorithm can have better associative memory only to orthogonal or near orthogonal prototype patterns, another learning rule, higher-order projection algorithm, is proposed in tensor representation in this dissertation.

关于高阶关联网络有两种模型，即两状态离散时间模型和模拟状态连续时间模型，在两状态离散时间高阶关联网络中最常用的是高阶Hebb规则，这种规则对于正交或近似正交的原型模式才具有比较好的联想记忆性能，因而本文用张量表示法给出了另外一种学习规则—高阶投影规则。

Uses the strong sulfuric acid anthrone determination kelp polysaccharide the content, mainly uses the single factor experiment definite orthogonal experiment, makes the microwave radiation time, the liquid-solid separately compared to, the ph value as well as the extraction temperature to the kelp polysaccharide extraction quantity influence, determines the best experimental condition again by the orthogonal experiment.

采用浓硫酸蒽酮测定海带多糖的含量，主要利用单因素试验确定正交实验，分别做出微波辐射时间、固液比、ph值以及提取温度对海带多糖提取量的影响，再以正交实验来测定最佳实验条件。

This paper researches the wavelet transform of discrete-time sequences basing on dendriform filer banks in the signal processing field, analyses the theory and design method of two channel conjugate quadrature mirror filter banks and fast implement of discrete orthogonal wavelet transform and generation of orthogonal wavelets, and points out the internal relationship between them.

笔者从信号处理的角度研究了离散时间序列的小波变换利用树状滤波器组实现的方法，分析了两通道共轭正交镜象滤波器组理论及滤波器设计，离散时间序列的正交小波变换的快速实现以及正交小波的构造，指出了其内在联系，最后举例说明了正交小波变换通过共轭正交镜象滤波器组来实现信号分解和重构的全过程。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。