1) pseudo-stochastic weighted factor
伪随机因子
1.
This paper puts forward a kind of improves training symbol structure, introduces the pseudo-stochastic weighted factors, and makes the estimation of symbol timing offset by using the repeatability of included data sequence and the correlation among the pseudo-stochastic weighted factors, which increases the accuracy of the timing estimation.
提出了一种改进的训练符号结构,引入伪随机加权因子,利用所包含数据序列的重复性和伪随机因子的相关性进行符号定时偏移估计,提高定时估计的精度。
2) random factor method
随机因子
1.
After random variables are described by the random factor method,all random factors can be homogeneously shown from its mass matrix and stiffness matrix of a structural sysytem with random parameters.
将随机物理参数结构系统的质量矩阵和刚度矩阵均以随机因子的齐次形式表示,通过对QR变换法求解随机矩阵特征值过程的论述,证明了系统中各阶固有频率具有相同的随机因子,并导出了求解固有频率随机变量概率密度的公式;在此基础上,论述了系统正则振型矩阵中各元素亦具有相同的随机因子,并导出了求解正则振型随机因子概率密度的公式。
3) random factor
随机因子
1.
The conclutions show that the methods of correlation analysis and random factor analysis which is more applicable are effective, by which the indexes be.
结果表明 ,相关性分析法和随机因子分析法是两种有效的途径 ,它们使岩土参数与不同试验方法间在概率上达到统一 ,而后者的适应性更
2.
By introducing Increment PID operator and four more random factors in EPSO,the new algorithm improves the individual and social cognition ability of particles,increases shared information and makes the motion of particles more intelligentized.
基于粒子群优化(PSO)算法的简单模型和增量式PID控制原理,引入PID增量算子和4个新随机因子,对标准粒子群优化(SPSO)算法进行了扩展。
4) random factor method
随机因子法
1.
A new fuzzy stochastic finite element method based on the fuzzy factor method and random factor method is given and the analysis of structural dynamic characteristic for fuzzy stochastic truss structures is presented.
当结构的物理参数和几何尺寸同时具有模糊随机性时,利用模糊因子法和随机因子法建立了结构刚度矩阵和质量矩阵;从结构振动的Rayleigh商表达式出发,利用区间运算推导出结构动力特性模糊随机变量的计算表达式;之后利用随机变量的矩法和代数综合法,推导出结构特征值的数字特征的计算式。
2.
Based on the random factor method, considering the randomness of both the elastic module of the structures and the applied load, the finite element equations of the structures are built, and the computational expressions of the mean value and mean variance of the structural displacement response and stress response are developed by the algebra method.
利用随机因子法,建立了结构的弹性模量和外载荷同时具有随机性时结构的有限元方程;利用代数综合法推导出结构位移和应力响应的均值、方差的计算表达式。
3.
Based on the random factor method (RFM), the computational expressions for the mean value and mean variance of the structural displacement response and stress responses are developed .
基于随机因子法,利用代数综合法推导出结构位移和应力响应的均值、方差的计算表达式。
5) pseudo-random code
伪随机码
1.
The general mathematical expression of the several kinds of pseudo-random code modulation pulse trains—PRBC,PPM.
给出了几种常见伪随机码调制脉冲串信号的统一数学表达式,包括脉间伪随机二相编码脉冲串信号、伪随机脉位调制脉冲串信号、伪随机脉位调制与二相编码复合脉冲串信号,以此为基础,简要推导了统一的幅谱函数和相关函数表达式,具体分析了各自的特性并对其进行了仿真。
2.
In this paper,to meet the requirements of cipher in the signal transmission of IFF system,the pseudo-random code is introduced.
敌我识别系统的核心技术之一是询问信号与应答信号的加密传输,针对信号传输中对密码的要求,文中引入了伪随机码,基于剪接筛法设计了能产生2048个两两相异的5级M序列的电路,并对该电路进行了仿真,仿真结果验证了该设计的正确有效性。
3.
The principle of pseudo-random code phase-modulation fuze was described simply.
介绍伪随机码调相引信原理,在此基础上提出瞄准式欺骗性干扰机方案,并对各部分电路进行理论论证和硬件实现,主要包括利用扫频源和Costas环对伪码调相引信信号进行解调,基于FPGA的伪码序列识别和重构,干扰波形的调制发射等。
6) pseudorandom code
伪随机码
1.
Application of pseudorandom code in absolute photoelectric angle encoder;
伪随机码在绝对式光电轴角编码器中的应用
2.
The principle of detection by pseudorandom code is illustrated in this paper.
文中阐述了伪随机码探测原理。
3.
For targets of limited size, the principle of detection of laser fuze using the pseudorandom code is studied and the distance model of laser fuze analyzed.
以有限大目标反射为应用对象,探讨伪随机码激光引信探测机理,同时对激光引信作用距离模型进行分析,得出了激光引信各主要参量之间的关系。
补充资料：随机数和伪随机数
随机数和伪随机数
random and pseudo-randan numbers
随机数和伪随机数【喇间佣1 al川牌”山一喇闭..m.山娜;cJI了，a如曰e”nce，口oc月卿成.以叹“c月a】 数亡。(特别，二进制数:。)，其顺序出现，满足某种统计正则性(见概率论(probability Uleory)).人们是这样区别随机数(mndomn切mbe比)和伪随机数(PSeudo一mn由mn切mbe岛)的，前者由随机的装置来生成，而后者是用算术算法构造的.总是假设(出于较好或较差的理由)所得(或所构造)的序列具有频率性质，这些性质对于具有分布函数F(z)的某随机变量心独立实现的一个序列来说是“典型的”;因此人们称作根据规律F(习分布的(独立的)随机数.最经常使用的例子为:在区间【O，l]上均匀分布的随机数亡。，尸(亡。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条