英语释义

• a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance

片语

random-walk model[数] 随机走动模型

random m walk随机行走

virtual random scene Walk虚拟

random-walk diffusion无规则游动扩散

random m walk theory随机漫步理论

Random-Walk Syndrome漫游综合癥

random-walk method随机游动法

Random fuzzy walk随机模糊游走

英汉例句

• the limits of random walk with resting state in random environment.

  随机环境中可逗留随机游动的一些极限性质。

• a general framework of stochastic model for a multitype branching random walk in random environments is introduced.

  引进了随机环境中多物种分枝随机游动的一般模型。

• when we looked at the random walk series i think the representativeness heuristic played a role in there as well.

  当我们观察随机漫步序列时，我认为代表性原则偏误，也起了一定作用。

• based on this method, analyzes the model of shanghai stock exchange a section share index thoroughly, pointing out that it has quite strong persistence, not being a unattached random walk process.

  并采用该方法对我国上海证券交易所a股指数进行了深入分析，指出了上证a股指数具有较强的持续性，不是一个独立的随机游走过程。

• in the vortex method, the viscous effect can be incorporated by either random walk of the vortex or vortex aging.

  涡方法中粘性效应可通过涡的随机移动或改变涡核尺寸两种途径并入。

• in this paper, we obtain the sufficient and necessary condition for the stability by two-dimensional random walk approach.

  本文用二维随机游动方法得到了其稳定性的充分必要条件。

• a signal whose frequency, amplitude and phase are time-varying based on the random walk model is presented to describe the sensor output signal of coriolis mass flowmeter.

  提出用频率、幅值和相位均按照随机游动模型变化的信号来描述科氏流量传感器的输出信号。

• these measures include random walk model, industry model, mean-reverting model, jones and modified-jones models, k-s model, margin model and so on.

  应计利润模型主要包括随机游走预期模型、行业模型、平均数回复模型、琼斯及其扩展模型、k-s模型、边际模型和营运资金模型等。

• random walk is one of the simplest and the most important random processes in special case.

  随机游动是随机过程中最简单、最重要的特例。

• under weak form efficiency the assertion is that stochastic modeling of past data is useless since random walk processes generate short-term price movements.

  弱形式有效性坚持以前数据的随机建模是无用的，因为随机行走过程产生短期价格移动。

• based on bernoulli equation of unsteady flow, a random walk model is presented for numerical simulation of unsteady flow in river networks in regional planning.

  从非恒定流能量方程出发，建立随机游动模型，用蒙特卡罗方法数值模拟区域规划中的河网水流运动。

• based on the work of unit root test of china「s gdp, the acceleration of china」s economic growth which is the second difference of gdp, is regarded as a random walk model.

  为探索中国经济波动的性质及影响因素，运用数理统计和回归分析方法对中国经济数据进行了单位根检验，揭示了中国经济增长加速度（gdp的二阶差分）具备随机游走性质；

• it introduces random walk concept into vector ordering and finds the output which maximizes transition probability from central pixel to its neighbors.

  在噪声去除阶段将随机游走的概念引入到向量排序中，通过最大化中心象素与周围象素的转移概率计算滤波器的输出。

• emh is established on the following three presuppositions: rational investor, efficient market and random walk process.

  emh是建立在理性投资者、市场有效和随机游走过程这三个核心前提假定基础上的。

• but they use a random walk to try and model what will really happened.

  但是他们会用一个随机步数函数，去尝试进行模拟。

• problem set2: continuum approximations of non-stationary random walks, random walk in a harmonic well, steps with fat tails, saddle-point asymptotics.

  问题2：非稳定型随机漫步的连续极限，具调合井的随机漫步，具备巨大尾部的漫步，鞍点近似解。

• in fact, there「s a very famous book called a random walk down wall street, that was one of the first to make this hypothesis.

  实际上，有一本很着名的书,叫做在华尔街上随机漫步，这本书是最早提出这种假设的先驱者之一。

• based on these branching structure properties, the limiting distribution for the length of a simple downward random walk on a random recursive tree with size nis shown.

  利用上面分支结构的结果，我们给出了在随机递归树上的简单向下随机游动的长度的渐近分布。

• in this paper, two novel algorithms are introduced, which employ the vector space model and random walk model to address the drawbacks above and make the results more semantical.

  本文提出了两个新的图上关键字搜索算法，使用了现代信息检索技术中的向量空间模型和随机游走模型来解决以上缺陷，使得查询结果更具语义信息。

• what we」ve done, is we've introduced the notion of a random walk in the context of a pretty contrived example.

  我们所做的，就是在一个人造的例子中,引入了随机漫步的概念。

• asymptotics for some moments of the first ascending ladder height in a random walk are obtained on the basis of a powerful result, which can derive some useful results.

  得到了随机游动中首次上穿梯高的若干矩的渐近性，利用它们可以导出一些有用的结果。