查询词典 variable-density system

Difference between the actual value of a given system state variable and its stability limit.

系统某状态变量的实际值与其稳定极限值间的差值。

Diagram of the value of a given system state variable against time, following a disturbance.

系统出现扰动后，某一给定的系统状态变量随时间的变化曲线。

To adapt the variance of system state introduced by variable parameter filter, this paper develops fuzzy control method.

在分析变参数滤波器结构特性的基础上，建立了变参数滤波器滤波模型，指出了结构参数在运行过程中改变越大，定位噪声和定位速度之间矛盾的协调效果越好。

According to the convergence of the state variable and duty ratio,the steady-state and dynamic properties of the system were discus...

仿真结果证实了所提控制方式的有效和理论分析的正确。

The second chapter is about the structure of the stationary distribution of NCD system under the variable claim probability.

第二章研究的是在可变索赔概率下的NCD系统模型平稳分布的结构。

By using complementary variable method to analyze the state-changing equations of this queueing system, the generating function of stationary probablity distribution of retrial queue length, some performance indexes such as three different stationary state probablity,stationary availability, and stationary failure frequence of the transfer-unit are derived.

研究通信网络中交换单元的可修模型M1，2，3/G/1，呼叫的到达是重试性的，利用补充变量法对排队系统的状态转移方程作了分析，求得了重试队列稳态队长概率分布的母函数以及交换单元的处于三种不同状态下的稳态概率、稳态可用度及稳态故障频度等性能指标。

Firstly , the article introduces the theory of system simulation and the stochastic numeral and the stochastic variable

本文首先介绍了系统模拟理论，以及产生随机数从而生成需要的随机变量的方法。

Suppose that the local source of traffic demand of the intersection is a stochastic variable of known parameter. An optimal control assignment model of the link of the dynamical transportation network flows of stochastic system is founded. Allowing for the construct of the model, based on the objective function of the link is transformed to based on the objective function of the intersection in order to solve it.

假设交叉点的局外入流是某已知参数的随机变量的情况下，建立了目标函数基于路段的随机系统最优的动态交通网络流分配的最优控制模型，充分分析该模型的结构，将该模型的目标函数转化为基于交叉点的目标函数，以便于求解该问题。

And the structure reliability formula based on the improved vertex method was suit to multi-fuzzy variable and non-linear system.

针对模糊－模糊干涉模型和线性结构系统应用一般的顶点法给出了求解结构模糊可靠度计算公式；对具有多模糊变量非线性结构系统用改进的顶点法优化模型给出了求解结构模糊可靠度计算公式。

Multicarrier modulation in data transmission is discussed in the fourth chapter. The performance of MCM and single tone modulation over twisted pairs is compared. Discrete multitone modulation is used in ADSL system. A new variable constellation TCM method is proposed, It can adapt to the subchannel capacity automatically. The simulation results prove that this method is quite effective.

第四章讨论了多载波调制技术在数据传输中的应用，针对市话信道的具体传输环境，比较了单载波调制与多载波调制的性能；针对ADSL传输的目标，采用离散多频音DMT技术，独立提出一种新的星座图变化的格状码方案VCTCM，能动态地适应不同子信道的传输能力，给出的计算机仿真结果表明该方案有较好的效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。