查询词典 stochastic

For the multisensor linear discrete time-varying stochastic control systems with the different local dynamic models, using the Kalman filtering method, under the optimal fusion criterion weighted by scalars, the unified and universal optimal information fusion white noise deconvolution estimators are presenced, and for the corresponding time-invariant systems, the steady-state optimal information fusion white noise deconvolution estimators are also presented.

黑龙江大学自动化系，哈尔滨150080中文摘要：对于带不同局部动态模型的多传感器线性离散时变随机控制系统，应用Kalman滤波方法，在按标量加权最优融合准则下，提出了统一和通用的最优信息融合白噪声反卷积估值器，并对定常系统提出了稳态最优信息融合白噪声反卷积估值器。

Two eddy current sensors , which are mounted on bogie f rame of the vehicle , can detect stochastic inhomogeneity in region of the rail.

在机车的车轮架前后设置两个电涡流传感器，获得两个反映铁轨中非均质特性的随机信号。

This paper discusses a discrete stochastic Lotka-Volterra competition systemwhere ε_1,κ are i.i.d N(O,1),ε_2,κ are i.i.d N(0,1), p is is revelant coefficient of ε_1,κ and ε_2,κ. Maximum Likelihood Estimation of parameters and asymptotic characteristic of the system are studied.

本论文主要讨论离散随机Lotka-Volterra竞争系统其中ε_1，κ是i.i.d N(0，1，ε_2，κ也是i.i.d N(0，1)，ρ是ε_1，κ与ε_2，κ的相关系数参数的极大似然估计及估计模拟和系统的渐近性。

More specifically, we will investigate whether suppression of Rolandic μ wave due to somatosensory stimulation obeys the theory of stochastic resonance.

更精准而言，我们将探讨大脑罗兰氏区μ波受体表感觉刺激的抑制量是否存在随机共振现象。

This paper discussed almost everywhere upper semiconvergence of optimal solution set of empirical approximations for stochastic programs.

本文对随机规划经验逼近最优解集的几乎处处上半收敛性进行了研究。

Simulation stduy of stochastic fluctuating wind field on large spane electricity transmission tower–line system .

大跨越输电塔线体系随机脉动风场模拟研究。

objective:discusses danlu tong to supervise the piece treatment waist canales spinalis to be narrow sickness(chinese medicine dialectical anti-supervises arteries for stasis)the clinical curative effect and the security.method: uses the double blind stochastic comparison method treatment waist canales spinalis to be narrow sickness(stasis anti-to supervise arteries)the patient 200 examples,danlu tong supervises the piece group 100 examples,the bone immortal piece group 100 examples.result:①danlu tong supervises the piece group clinical total effectiveness 93%,revealing rate 54%,the curative effect obviously surpasses the bone immortal piece group.

目的：探讨丹鹿通督片治疗腰椎管狭窄症的临床疗效和安全性。方法：采用双盲随机对照方法治疗腰椎管狭窄症患者200例，丹鹿通督片组100例，骨仙片组100例。结果：①丹鹿通督片组临床总有效率93%，痊显率54%，疗效明显优于骨仙片组。

Based on the idea and technical in the references[16],[17]and[26]as well as the theories of martingale,Brownian motion and stochastical orders,the expectation of present value of annuities with controlled random interests is obtained,and the upper bounds of present value function of discrete stochastic annuities with random interests in sense of convex order are derived,and the numerical characteristics of upper bounds are also obtained,furthermore,the expec

基于文[16]，[17]和[26]的思想方法以及鞅、反射Brownian运动和随机序的理论，得到了控制随机利率下连续年金现值的期望，并给出了离散随机年金现值函数在凸序意义下的上界，讨论了上界的分布函数和停止损失保费，进而得到了离散的随机年金现值的期望。

The decreased threshold shear velocity and unsaturated sand flows at the stoss slope of the dunes resulted the erosion at the toe of the dune. Under the medium and low drifting-sand winds the sands being transported have divergence with that on the surface, the mean grain size of transported sands is lower than that on the surface and the sand transporting is a stochastic process.

起动剪切速度减小与不饱和风沙流是沙物质在横向沙丘迎风坡坡脚不能产生沉积的主要原因；再者，平均风速并不能完全反映野外实际状态下气流的性质，在低－中强度的风沙活动过程中，被输送的沙物质的粒度组成与下垫面物质有明显的差异。

Relative motions exsit among the substructural systems, which are mainly in stochastic manner. Random vibration is the significant character of these compound systems.

由于弹性体系之间的约束关系是随机的，故由相对运动引起的随机振动是这类复合系统的重要运动形态。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。