研究相空间中离散力学系统对称性的摄动与绝热不变量。
The perturbation of symmetries and adiabatic invariants of discrete mechanical systems in the phase space are studied.
基本短语识别和词性标注的实验显示，这种新的数据结构的确能够极大地加快最大熵方法执行系统的速度，同时保持空间复杂度不变。
Experiments on chunking recognition and Part-of-Speech tagging are conducted to show that the new data structure greatly speeds up the feature matching process while keeping the same space complexity.
这里构造了混合状态空间中的不变集，证明了系统在HDS意义下的渐近稳定性。
Invariant sets of HDS are constructed in hybrid state space, and then the system's asymptotic stability is proved in the sense of HDS.
建立了非保守约束哈密顿系统的正则方程，在增广相空间中研究了系统的对称性与精确不变量。
Firstly, the canonical equations of nonconservative constrained Hamiltonian systems are established, and the symmetries and exact invariants of the systems in the extended phase space are studied.
动态系统的状态约束和控制约束等问题可归结为状态空间中某些集合的正不变性。
Certain problems concerning state constraints and control constraints can often be reduced to the study of positive invariance of some subsets of the state space of dynamical systems.
非相干成象系统在等晕区内是空间不变性的光强线性系统。
The incoherent imaging system in its isoplanatic region is a linear light intensity system with invariance in space.
本文根据平移不变子空间二尺度分解理论，系统、简结地构造了各类样条多分辨分析。
Several types of spline multiresolution analyses are constructed systematically simply based on the general decomposition theory of two-scale shift-invariant subspaces.
该方法以信号空间模型为基础，结合子空间旋转不变性和最小二乘法实现了电力系统的谐波检测。
Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.
用循环不变子空间的性质研究了切换系统的能控性和能观测性。
Controllability and observability of switching systems are studied by using the characteristics of recursive invariant subspace in this paper.
完备度量空间上迭代函数系统的不变集性质及测度的维数是分形几何研究的主要对象。
The property of the invariant set and measure's dimension of the IFS are main objects in the studying of fractal geometry.
在高维增广相空间中研究广义经典力学系统的精确不变量和绝热不变量 。
The integral invariant construction of holonomic nonconservative dynamical systems in the high-dimensional extended phase space;
在高维增广相空间中研究广义经典力学系统的精确不变量和绝热不变量 。
The integral invariant construction of holonomic nonconservative dynamical systems in the high-dimensional extended phase space;
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