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- Thirdly, a model of spatial diffusion, which is based on the theory of stochastic process, was presented.Then, an analysis method of equiprobable curve of diffusion and some simulations were provided. 运用随机过程理论与方法建立技术创新空间扩散的数学模型,并提出等扩散概率曲线分析方法,对技术创新空间扩散进行了模拟;
- Theory of Stochastic Processes 随机过程理论
- By means of stochastic process theory, the bounded convergence of least mean square algorithm (LMS) is studied without data stationary assumption and ergodicity condition. 在无过程数据平稳性假设和各态遍历等条件下 ;运用随机过程理论研究了最小均方算法 (LMS)的有界收敛性 ;给出了估计误差的上界 ;论述了LMS算法收敛因子或步长的选择方法 ;以使参数估计误差上界最小 .
- As we all known, Brownian motion is an important type of stochastic process. 我们大家都知道,布朗运动是一类很重要的随机过程。
- The model of cracked media with crack number density of spatial distribution is presented according to the theory of spectral factorization in stochastic process and Hudson′s model of cracked media. 利用随机过程的谱展开理论以及hudson的裂纹介质模型,构造一种裂纹数密度具有空间统计分布的随机介质模型,给出了详细的理论推导过程。
- By using the theory of stochastic stability and poisson process with time varying density, the sufficient condition for keeping the mean square asymptotically stability of systems is proved. 利用随机稳定性理论和带时倚强度泊松过程相关原理,进一步证明了系统保持均方渐近稳定的充分条件。
- This paper discribes some models of reliability and statistical test based on the stochastic process and the theory of statistical hypothesis, as well as the failure data of repairable systems. 根据随机过程与统计假设理论,在分析可修复系统故障数据特点的基础上,阐述了可修复系统故障数据的可靠性分析模型。
- The theory of stochastic differential equation (SDE) was widely applied in the fields of economy, biology, physics and automatization. 随机微分方程的理论广泛应用于经济、生物、物理、自动化等领域,然而在很长一段时间里,由于缺乏有效的求解随机系统的数值方法以及足够强大的计算机计算能力,在实际问题中,以随机微分方程(组)为代表的描述物理现象的许多复杂的数学模型或者被束之高阁,或者被迫通过忽略随机因素而简化,均不能得到很好的应用。
- An adaptive rate control scheme based on the theory of stochastic optimal control was proposed. It can balance real-time transmission with continuity of video. 在随机最优控制理论的基础上,提出了一种自适应的码率控制算法。
- On the basis of this system, with the features of bio" photochrome the stochasticity of photocycle is studied from the theory of simple stochastic process. 在此基础上,从简单随机过程理论着手,逐步深入,结合生物光色素系统的特点,对该系统光循环的随机特性进行了研究。
- Based on the theory of stochastic vibration and the Chinese wind loading codes,the coefficient K in the expression of Davenport spectrum is formularized in this paper. 根据随机振动理论和我国风荷载规范 ,导出了Davenport谱中系数K的计算公式 ,确立了系数K与地面粗糙度指数之间的关系 ;
- By using the theory of stochastic optimal control, a model for the pro blem of optimal tactics of securities investment with the risk aversion is set u p. 运用随机最优控制理论,建立了带有风险规避的证券投资最优策略问题的数学模型;
- Abstract Based on the theory of stochastic resonance (SR), a new method, named as two-layer stochastic resonance algorithm, was proposed for detection of weak analytical signals. 提出了一种检测弱分析化学信号的新方法枣双层随机共振算法。
- With method of radial tracing, path numbe ofmultipath and angle of incidence, times of reflection, attenuation, and delay werededuced based on the theory of stochastic. 根据随机过程的基本理论,采用射线追踪法,从电波散射和绕射原理,推导出高速移动台无线通信多径传播的径数、入射角、散(绕)射次数和衰减系数、多径传播路程和时延等的概率分布。
- From the orthogonality principle in liner mean square estimation of stochastic processes, the sea factor obtained at a project site can be estimated by that at some routine hydrographic station. 摘要依据随机过程线性均方估计的正交原理,可由水文站获得的海洋要素估计工程点的海洋要索。
- Automatically appending loads of gravity, temperature and wind is achieved, and the emphasis is put on automatically creating swatch of wind and its curve based on theory of stochastic wind. 实现了重力、温度载荷、风荷的自动添加,着力研究了以随机风荷理论为依据,风样本文件及风样本曲线的自动生成;
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- This paper presented a method to simulate the spatial varying ground motion with time-frequency non-stationarity, which combined the knowledge of stochastic process and phase-difference spectrum. 本文在前人工作的基础上提出了一种直接生成具有时-频非平稳特性的空间变异地震动的方法,即随机过程理论与相位差谱相结合的方法。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Do you agree to the wave theory of light? 你同意光的波动理论吗?