查询词典 iteration

The topsy-turvy world of party politics is just the latest iteration of policy you wouldn't expect, much like the Third Way, near-conservative policies of the Clinton Administration.

党派政治这个混乱的世界可能和别的地方一样，会重演出乎意料的政策；就像克林顿政府推行的接近保守主义的第三条道路。

The semiMarkov decision processes were studied by the Mstep lookahead policy iteration based on the performance potentials.

运用基于性能势的M步向前异步策略迭代算法研究了半Markov决策过程优化问题。

We contribute a new idea to the risk-sensitive evolution policy iteration algorithm for solving reinforcement learning problem and discuss the optimality of polices for this algorithm.

我们提出了风险敏感度渐进策略递归激励学习算法并对策略的最优性进行了讨论。

With a suitable performance function and an initial control that made the closed system bounded, a serial of controls that made the performances better could be obtained by policy iteration, and ergodic Markov chains were constructed by the state serial with the corresponding feedback control.

在合适的性能指标并能找到一个使系统性能有界的控制的前提下，通过策略迭代可以求出逐步改善系统性能的控制序列，同时得到状态序列在相应反馈控制作用下构成遍历的马尔可夫链。

The second strategy is a two-stage iteration policy for the design of a liveness-enforcing controller, which includes a siphon control stage and an augmented siphon control stage. After that, there is no maximal deadly siphon in controlled system such that the liveness can be preserved.

第二种策略是两阶段的活性控制器设计迭代算法，通过信标控制和导出信标控制两个阶段使系统不会产生新的死信标从而保证了控制器的活性。

The algorithm is proved to be convergent theoretically and implemented for numerical calculation.Thirdly, two kind problems of multi-unit system maintenance based on the discrete-state deterioration model are analyzed:To achieve the optimization aim of series system consist of two types of units with different failure mode, an opportunistic policy is presented to combine the corrective and condition-based maintenance. The optimal model based on this policy is built and an iteration algorithm based on sequential decision is proposed according to the characteristic of discrete-state deterioration model.

第三、在部件优化分析的基础上，针对基于离散状态劣化模型的多部件系统视情维修决策中的两类典型问题，提出了相应的机会维修策略和优化分析方法：(1)针对串联系统由分别采用视情维修和事后维修的两类部件组成的情况，提出了一类事后维修与视情维修相结合的机会策略，建立了相应的多部件系统维修优化模型，并根据离散状态劣化模型的特点，提出了一类基于序贯决策的求解方法。

A neural network is then used to represent the estimation of potentials,both the parameterized TD(0) learning formulas and algorithm are also derived for approximating the policy evaluation.By the approximation values of potentials and approximation policy iteration,a unified neuro-dynamic programming optimization approach is consequently proposed for both two criteria.

根据定义式，建立性能势在平均和折扣性能准则下统一的即时差分公式，并利用一个神经元网络来表示性能势的估计值，导出参数TD(0)学习公式和算法，进行逼近策略评估；然后，根据性能势的逼近值，通过逼近策略迭代来实现两种准则下统一的神经元动态规划(neuro-dynamic programming，NDP)优化方法。

This approach uses the geometric features and radiation features of the road, according to the small amount seed points given by the user, each point in the road centerline can be gotten. Then an adaptive gray template is used to adjust each point in the road centerline. Finally, least square method and Newton iteration method are adapted to each point in the road centerline to fit a polygonal line.

该方法利用道路地物的几何特征和辐射特征，根据用户提供的少量道路种子点，利用自适应灰度模板对道路中心线上的每个点进行调整，最后采用最小二乘算法和牛顿迭代法对调整后的道路中心线上的每个点进行拟合，以此获得趋近于道路中心线的最佳折线。

In the process of simulation, the thesis also considers the module both sides potsherd part (there are no related reports in domestic and foreign), uses methods of finite difference and iteration to obtain the temperature field distribution and electricity generation performance quantitative relations under certain working condition.

在数值模拟过程中，本文把模块两端的陶瓷片部分亦考虑进去(这在国内外文献上尚无此方面的相关报道)，采用有限差分及迭代等方法，得到了一定工作条件下，模块的温度场分布和发电性能等诸多内在的数量关系。

First, a SAT solver is used to determine whether the preimage solution has been exhausted. When a preimage solution is generated by the SAT solver, a specific ATPG process is adopted to minimize the sets of assignments to state variables. This in turn reduces the number of all the preimage solutions and accelerates the fixed point iteration process.

SAT用来判断是否已经穷尽所有解；每次SAT枚举出一个前像解后，采用一个专门的ATPG过程减少状态变量上的赋值，从而减少前像解的总个数，加快后面的不动点迭代处理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。