evolution operator
英 [ˌiːvəˈluːʃn ˈɒpəreɪtə(r)]
美 [ˌiːvəˈluːʃn ˈɑːpəreɪtər]
网络 发展算子; 演化算符
双语例句
- The photon-number-dependent parts in the evolution operator are cancelled with the assistant of a strong classical field, so the scheme is insensitive to the thermal field.
在强经典场的作用下，演化算符与光子数无关，因此方案对热场不敏感。 - Hybrid Differential Evolution Algorithm Based on Simplex Operator
基于单纯形算子的混合差分进化算法 - Original and relaxed optimal controls for a class of nonlinear evolution equations with principal operator being the infinitesimal generator of a compact C 0-semigroup are studied. Under some reasonable conditions, the existences of original trajectories and original optimal controls are proved.
研究一类主算子是紧C0半群生成元的非线性发展系统的最优控制与松弛化，在合理假设下，证明了原始解轨道与原始最优控制的存在性。 - In this paper, the statistical distribution properties of the photon in the two photon process with two level atomic mixed state are studied by means of the time evolution operator method and numerical calculation.
采用时间演化算符方法和数值计算，研究了相干光场与混合态二能级原子双光子过程的光子统计分布特性。 - The Evolution Operator of a Kind of Oscillator with Time Dependent Extra Source and Their Feynman Transfer Matrix Element
一类含时外源谐振子的演化算符及其Feynman转移矩阵元 - According to the diversity evaluation of the population, the happening probability of selection operator, crossover operator and mutation operator was self-adjusted respectively during the population evolution and the mutation operator was non-uniform.
在种群多样性评价的基础上，确定了选择、交叉和变异算子操作概率的自适应调整方法，对变异算子做了非一致性改进； - We use a second order perturbation expansion of the evolution operator T to deduce the efficiency Hamiltonian form of two nonidentical atoms in a highly-detuned optics cavity with single mode;
在大失谐条件下，使用时序算子T的二级微扰展开讨论了单模光学腔中放置不同原子时有效哈密顿量的形式； - Based on chaotic theory ′ s understanding on relationship between chaos and evolution, chaotic mutation operator was proposed for implementing real coded evolutionary algorithms. A new strategy called shrinking mutation strategy was also designed.
根据混沌理论关于进化与混沌的关系，设计一种采用混沌变异算子的进化算法，并提出尺度收缩的变异策略。 - By using the general linear quantum transformation theory, the forced quantum oscillator with time dependent external force is solved by algebraic operation of operators in phase space, and the evolution operator, the matrix elements of the evolution operator and the expression of wave are given.
运用广义线性量子变换理论，在位相空间中通过算子的代数运算求解外力含时的受迫谐振子，给出了演化算子、演化算子矩阵元和波函数的表示式。 - The improved genetic algorithm is aimed at traveling salesman problem, which adopts top proliferation operator to realize select operator for enhancing convergence and dynamic evolution gene to select crossing operator or mutation operators for avoiding its premature.
改进遗传算法采用了顶端增强算子进行选择运算以强化其收敛性，并利用动态进化因子来进行交叉算子和变异算子的选择以防止早熟。 - Evolution Operator of Time& dependent Quantum Oscillator
含时量子振子的演化算符 - Dinger equation, but evolution operator is most effective method to obtain wave function formal solution.
dinger方程，而演化算符又是求波函数形式解的最有效方法。 - In this paper, we introduce an operator matrix method to solve the eigenvalues and eigenfunction in J-C Model, and obtain the evolution operator in the Schrodinger picture.
提出了一种利用算符矩阵的方法，可以简便地求出J-C模型中的能量本征值和本征函数，并得到波函数随时间的演化规律。 - According to the peculiarity of individual which consist in grid and the peculiarity of evolution operator, and combine with other optimize algorithm to put forward a new mixed optimize algorithm which made the capability of optimize more efficient.
根据个体存在于网格中的特点和进化操作算子的特点，结合其它优化算法而提出新的混合优化算法，来进一步提高算法的搜索性能。 - In this paper, the evolution operator and the existence uniqueness of solution of the initial boundary value problem for a class of nonlinear quasi& hyperbolic equations was discussed.
本文对一类非线性双曲型方程，讨论了相应的发展算子及其初边值问题的解的存在唯一性。 - In this paper we study an inverse problem of the evolution with Cauchy data using ε approximation solution and the, evolution operator, and apply obtained result to an inverse problem for the Sobolev equation.
使用ε近似解和发展算子的方法研究了一类具有Cauchy数据的发展方程的反问题，并且应用该结果得到了一类Sobolev型方程的反问题。 - Besides, with the Hamiltonian of the interaction between the field and the atom with Kerr medium, the evolution operator and the reduced density operator of the field are derived, then the other basic work model is obtained.
其次，从光场与原子附加克尔介质相互作用哈密顿量出发，得出非线性J-C模型系统的一般时间演化算符和光场的约化密度算符，得出了本文的基本工作模型之二。 - Directional Evolution Operator Applied to Genetic Algorithm
遗传算法引入进化方向算子的一个改进及应用 - Also we use the time evolution operator calculate the transition probability.
同时我们用时间演化算子计算了振转能量的跃迁几率。 - And then the local search operator, a pruning operator and differential evolution operator is used according the conditions. Therefore, on one hand it improves the convergence of the algorithm; on the other hand it can improve the spread and the distribution of the solutions set.
然后，通过加入局部搜索因子、修剪因子和差分进化算子，一方面提高算法的收敛性，另一方面提高解集的分布性。 - With the help of the search technique based on traditional optimal methods, gradient operator cross search operator and evolution operator are exploited to strengthen the local search ability of genetic algorithm.
第3章借鉴了传统优化方法中的搜索技术，开发了梯度算子、正交搜索算子和进化算子以强化遗传算法的局部搜索能力。 - HAGA is made up of a local search operator and a pruning operator, and then combined with differential evolution operator. To the contrary, they help the grid algorithm to find much better solutions.
HAGA将局部搜索因子、修剪因子和差分进化算子加到自适应网格中，并辅助网格算法搜索更优解。 - At the same time, as for the Qos multicast routing, vaccine strategy is introduced to guide evolution and a mutation operator is designed to increase the diversity of the population.
同时针对QOS组播路由问题，引入了疫苗的提取与接种策略以指导种群的进化，设计了变异算子以增加种群多样性。 - Second chapter is theoretical basis, and describes the main theoretical con-cepts and formula derivation process, introduce a second non-harmonic oscil-lator model, this model gives the total Hamiltonian, the system time evolution operator expression, given the expression of entropy. 3.
第二章为理论基础，介绍了主要的理论概念及公式推导过程，介绍了二次非谐振子模型，利用此模型给出体系总哈密顿量，得到体系的时间演化算子表达式，给出熵的表达式。 - The model has been generalized to the condition with dissipation, which is an effective work of mine, and the evolution equation of the density operator is present.
此外，我的一个有效工作是还把该模型推广到有环境耗散情形，引入系统密度矩阵的演化动力学方程。 - In this thesis, the probability of Landau-Zener tunneling in various two-level systems has been studied. It importantly describes the time evolution operator method which is used of exact solution to Landau-Zener problems.
本论文主要研究各种二能级系统的Landau-Zener隧穿几率的有关理论及计算方法，重点介绍了时间演化算符法并利用这种方法精确求解各类封闭的复杂二能级系统的隧穿几率。 - In the algorithm, a new evolution operator is introduced to improve the neighborhood search strategy, as the optimization objective QoS, SLA document Statute of the constraints to solve the optimization problem.
该算法引进了新的进化算子，改进了邻域搜索策略，以QoS为优化目标，SLA文档规约为约束条件来解决优化问题。 - Time evolution operator could derive the nth-order response function.
时间演化算符可以推导出n阶的响应函数，而关联函数则携带了重要的微观信息。 - The improved algorithm composes directional evolution operator and standard PSO algorithm. The directional evolution operator is constructed by selecting some best particles, then, other particles will move to the evolution operator.
改进的算法由改进的方向进化算子和标准的微粒群算法组成，方向进化算子通过选择一些好的粒子进行构造，其他的粒子则会向进化算子靠近。 - On the other hand, the evolution operator in the algorithm reduces the demand of the population size.
另一方面，它结合了演化算子，降低了算法对种群规模的要求。