查询词典 triangular form

In chapter 4, a novel construction method for LDPC codes with fast encoding is proposed. An approximate lower triangular check matrix is constructed by modified PEGP method.

第四章提出了快速编码LDPC码的构造方法，直接构造具有近似下三角校验矩阵的LDPC码。

After the setup of a table of the spectral factorization results of each array of matrix, the SF decomposition can give the lower triangular matrix by reading the table.

特别是在复杂介质的偏移计算中，分解误差随介质的不均匀性程度的增大而增大，严重影响着波场的计算。

To the discrete-time systems, we introduce a new discrete-time norm, the algorithm given is not depend upon the initial data. For a class of uncertain discrete-time systems, we also adopt the method of iterative learning control, we convert the problem of learning control into a global stability of trivial solution for lower triangular matrix dynamic systems, and obtain the result of tracking to desired state of the system.

对于一般非线性离散系统，引进了离散的范数，所给的算法不依赖于学习控制算法中的初始数据，对于一类不确定离散系统的状态跟踪问题，我们也采用迭代学习控制的方法，将相应的学习控制问题转化为一个下三角动力系统的平凡解全局稳定性问题，获得了对系统理想状态的跟踪结果，并对所给的算法的收敛性进行了分析。

Among thses matrices, bidiagonal matrix and approximately lower triangular array matrix have determinate construction and can provide linear encoding algorithm, and both subscript matrices, masking matrix and permutation matrix need to be redesigned.

其中双对角线矩阵和近似下三角阵列矩阵是确定结构的，具有高速线性编码的功能；而两种下标矩阵、模板矩阵和置换矩阵均具有类随机结构特征，可以根据需要进行再设计。

By using the Cholesky factorization and inverse method for unit lower triangular matrix, the multi-sensor measurements with correlated measurement noises are transformed to equivalent pseudo ones with uncorrelated measurement noises; then based on the Kalman filtering, a new multi-sensor fusion target tracking algorithm with correlated measurement noises is proposed.

对于量测噪声相关的多传感器量测，利用Cholesky分解和单位下三角阵的求逆方法，将其转化为量测噪声互不相关的等价的多传感器伪量测，然后基于Kalman滤波，提出了一种解决量测噪声相关情况下多传感器融合目标跟踪问题的新算法。

This dissertation mainly investigated two frameworks of H-matrix, such as SPB framework consisting of integer Subscript matrix, Permutation matrix and Bidiagonal matrix and MSPT framework consisting of Masking matrix, sparse Subscript matrix, Permutation matrix and approximately lower Triangular array matrix.

本文主要研究了两种H矩阵的类随机框架结构模型，一是SPB框架，由整数下标矩阵、置换矩阵、双对角线矩阵构成；二是MSPT框架，由稀疏下标矩阵、模板矩阵、置换矩阵和近似下三角阵列矩阵构成。

A triangular topsail with its foot along the gaff and its luff on the topmast .

根部在船的斜桁并且其转舵在上部的三角形的上桅帆。

Any of several sea birds of the genera Fratercula and Lunda of northern regions, characteristically having black and white plumage and a vertically flattened, triangular bill that is brightly colored during breeding season.

海雀一种海鹦属和花魁鸟属海鸟，有黑白相间的羽毛以及在繁殖期色彩鲜艳的垂直扁平的三角形嘴

Based on the assumed natural strain theory,this paper has studied a novel macro triangular partition shell element .

针对剪切闭锁效应，本文研究了一种基于假设自然应变方法的宏观三角形分区平板壳单元。

A quadrilateral or triangular sail set from the after part of the mainmast on a fore - and - aft rigged vessel.

这艘三桅帆船的前桅和主桅上都有相同的斜桅桁下帆和顶帆。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。