查询词典 orbit

Compared with the traditional numerical method,the periodic orbit extracted by the analytic approach is more accurate,requires smaller memory size and is more applicable in real time systems;Furthermore,it is more suitable for stable analysis and control of the systems.

与传统的数值提取法相比，所提出的解析法具有提取的周期轨道精确度高、周期轨道信息的存储量小、便于实时应用、易于进行稳定性分析和控制等优点。

The agreement of the peaks between |ρN|2 and the length of the classical periodic orbit suggests the correspondence of quantum mechanics and classical mechanics.

量子谱中的每一条峰正好对应一条经典周期轨道的长度，表明量子力学和经典力学的对应关系。

The approximate analytical expression of the periodic orbit of the rotor bearing system is obtained by combining GSM with the harmonic balance method.

将谐波平衡方法与GSM算法相结合，对转子轴承系统周期轨道的近似解析表达式进行了求解。

An improved semi-discretization method based on Magnus-Guassian truncation was presented for analyzing the stability of periodic orbit of the DDEs.

对该动力学模型进行稳定性分析，可以确定稳定的铣削参数域及稳定性图。

It includes the undertermined fundamental frequency approaching zero and the collision of the periodic orbit with the saddle point.

然后分别依据系统的待定固有频率趋于零和周期轨道趋近于鞍点两条途径获得了强非线性振动条件下系统同宿分岔的解析判据。

To characterize the deterministic dynamics in heart rhythm, the unstable periodic orbit analysis were the RR interval time series of healthy young men.

为刻划心脏节律存在的确定性动力学特征，运用不稳定周期轨道分析方法对健康青年人的RR间期时间序列数据进行分析。

Using the periodic orbit theory, we computed the quantum level density of a particle in the two-dimensional harmonic oscillator potential with and without the magnetic flux line for different cases.

利用周期轨道理论，我们计算了在不同情况下，一个粒子在二维谐振子势中存在和不存在磁通量时的量子能级密度。

In other cases, The simulation gives that as the coefficient of square velocity item varies from small to large the respondence of the chaos system change from chaos change to stable periodic orbit and then to dissipation movement.

然后通过仿真实例证实，在其他情况下，当速度平方项系数从小到大变化时，系统的混沌响应经历了从混沌突变到稳定的周期运动在突变到发散运动的过程。

XEX ~ Arg min{FIy E ~2} where the upper level is about topological structure optimization(a~ is a topological structure varable), and the lower level is a constrained programming about continuous variable y. 2 Apply graph, the action of permutation group on a graph, equiva- lent class, orbit etc.

取得的主要成果有： 1 依点到集的映射、集值映射、二元映射和分离定理等理论首次建立了具有拓扑结构双层规划的数学模型 min F s.t.x∈X y∈Arg min｛F|y∈Ω｝其上层规划为关于离散变量x的拓扑结构优化，下层规划是关于连续变量的约束规划。

The stream in this case is called the Perseid cloud and it stretches along the orbit of the Comet Swift-Tuttle.

流在这种情况下，被称为英仙座云和它延伸沿轨道彗星斯威夫特-塔特尔。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。