通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry.
判断矩阵是否是自反的，对称的，离散数学中的二元关系。
Matrix to determine whether it is reflexive and symmetric, Discrete Mathematics in the binary relation.
提出了一种基于复合离散混沌系统的对称图像加密算法。
In this paper, a symmetric image encryption scheme based on composite discrete chaotic system is presented.
提出一种利用信号对称拓展技术抑制离散傅立叶变换频谱泄漏的方法，实验证明是一种有效的方法。
The restrain method of DFT frequency spectrum leakage base on signal symmetry extension is proposed in this paper, experimental results show that this method is effective.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable. Therefore, we obtain two theorems.
本文提出了带有不对称饱和非线性环节的线性离散系统的自适应控制算法，该算法简单易行。
This paper presents an adaptive control algorithm for discrete time linear systems with asymmetric saturation nonlinearity. This algorithm can easily be realized.
本文讨论了非对称联想记忆模型的若干性质，并给出了在连续和离散两种情况下判别其稳定性的充分条件。
Some properties about the Asymmetric Associative Memory Model(AAM) were discussed and sufficient conditions for the stability of AAM were given both for discrete form and for continuous form.
由离散解得到的非对称线性方程组，对于QPNS采用块三对角法，对于FNS采用GMRES算法。
The nonsymmetric and linear equations from the discrete solution are solved by using block tridiagonal systems for the QPNS equations and by GMRES algorithm for the FNS equations.
通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve is made to satisfy the conjugate symmetry.
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.
对于方位角方法，反应平面方位角的离散使方位角分布最大非对称性的计算值比真值下降了约30%。
The maximum azimuthal anisotropy inferred from the azimuthal distribution method is decreased by about 30% because of dispersion of the azimuthal Angle of the reaction plane.
利用群逆可以求得离散型对称奇异系统的显解。
Using the group inverse, an explicit solution to a symmetric singular system is described.
此方法减小了相位离散值引起的量子化噪音，它适用于制作一切球面和非球面的具有旋转轴对称的相息图。
The method reduces the noise caused by discrete phase on reconstructing imago. This method can apply to either spherical or aspherical kind of Kinoform with axial rotating symmetry.
空间上采用有限元线法进行半离散化，采用已有的轴对称单元、平面单元；
Using Finite Element Method of Lines smash the area in semidiscretization with plane or axial symmetry element which is develop by the postgraduate last session;
空间上采用有限元线法进行半离散化，采用已有的轴对称单元、平面单元；
Using Finite Element Method of Lines smash the area in semidiscretization with plane or axial symmetry element which is develop by the postgraduate last session;
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