不变量

给出了相位叠加不变量pc的定义。

The define of phase congruence ( PC ) invariant is introduced .

最后，设计了基于相位叠加（PC）不变量的神经网络目标识别新算法。

The new algorithm of neural network recognition based on the PC invariant is designed .

复四次自治微分系统的基本lie不变量

The Lie-invariants of Complex Fourth Differential Autonomous System

计算高级Petri网S-不变量的一种简单算法

An algorithm for computing S-invariants for high level Petri nets

基于不变量技术和融合技术的Petri网反馈控制器设计

Feedback Control of Petri Nets Based on Place Invariants and Place Fusion

计算无回路Petri网位置不变量的几何方法

A geometrical approach to compute loop-free petri net place invariant

计算Petri网S不变量和T不变量算法

The Algorithm for Computing S-invariant and T-invariant of Petri Nets

基于分解子网的Petri网不变量的分析

Invariance Analysis of Petri Nets Based on Decomposed Subnets

使用Petri网T－不变量求解子句的逻辑推论

Logical inference clauses in Petri net models using T-invariants

基于P-不变量的Petri网并行化方法的研究

Research on Petri nets parallelization method based on P-invariants

论Bézier曲线的仿射不变量

On affine invariants of a b é zier curve

Petri网位置不变量的几何意义

Geometrical significance of the Petri net place invariance

基于Petri网T不变量考虑约束条件的可选加工方法链决策

Decision of Alternative Process Links with Constraint Condition Based on T_invariant of Petri Nets

阵不变量实质为信号在平均声速c条件下从声源-接收器的的绝对传播时间。

The physical meaning of array invariant is the absolute traveling time of the signals from source to receiver under the average sound speed .

进一步，我们计算这种压缩矩阵的最大特征值并把它作为DNA序列的一种不变量。

Furthermore , the leading eigenvalues of these matrices are computed and considered as a kind of invariants for the DNA primary sequences .

单模激光Lorenz混沌行为的准不变量V分析

Quasi Invariant V for Chaotic Behavior of Lorenz Map of Single Mode Laser

对单视图，提出了一种利用消失点列的3D不变量解释平面直线关系的方法；

In single-view case , the theory is presented to interpret relationship between two planar lines by applying 3D invariants of vanishing points .

并以Hu不变矩来完成图像特征的不变量提取，进行图像识别。

And image recognition is completed by the extraction of invariant image feature using Hu invariant moments .

非线性Lipschitz算子的一个特征不变量及其应用

A Novel Characteristic Constant of Nonlinear Lipschitz Operator and its Applications

基于Petri网库所不变量理论提出Internet多机器人协调控制模型，并利用此模型解决系统操作中的碰撞检测问题。

Based on place invariants of the Petri net , a control model of Internet-based multi-robot coordination is proposed to satisfy the collision avoidance during the operation .

变系数广义Gardner方程的微分不变量及群分类偏差自变数微分方程

Differential invariants and group classification of variable coefficient generalized Gardner equation

Rice早期定义的非共轴塑性应变率是基于二维共轴应力空间得到的，由于忽略第三应力不变量的影响，在多维应力空间并不能保证其非共轴性。

Rice , is only built on the basis of 2D coaxial stress space but invalid in multi-dimensional stress space since the effect of the third stress invariant on non-coaxiality is ignored .

进一步利用3D不变量和2D射影变换，实现了一定条件下的对称性目标的形状恢复技术。

Further more , by using 3D invariants and 2D projective transformation , an approach to recover shape from part symmetry objects is realized on some conditions .

结果表明，虽然Bell基都是纠缠度最大的纠缠态，但从局域SU2变换不变量看其仍是两种形式。

The analysis results show that all Bell states are maximally entangled states , but they are two different local SU_2 transformation invariant .

紧邻激光器第二阈值的Lorenz映像混沌行为的准不变量V分析

The quasi invariant V analysis for the chaotic behavior of Lorenz map in the nearest neighborhood of the second threshold of laser

详细分析了LOGGABOR函数性能，给出了用LOGGABOR求相位叠加（PC）不变量的修正公式。

The performance of log gabor wavelet is detailedly analyzed , the modified formula of PC invariant is presented by the log gabor wavelet . Finally .

环面上U（1）丛的Chern－Simons不变量

Chern-Simons Invariants of U ( 1 ) - bundle over a Torus

Kronecker指数等系统不变量与系统结构及参数的关系

Relations between the system invariants vs system structure and parameters

李型有限群的Cartan不变量（Ⅱ）

On the Cartan Invariant for Finite Group of Lie Type (ⅱ)

误差Mohr圆及协因数不变量

Mohr Error Circle and Invariants of Weight Coefficients