查询词典 unitary invariant

Then, according to research on nonisotropic transformation in geometric attack, this *** further spreads the application field of scale-space theory in watermark design and proposes an algorithm against geometric attack grounded on affine invariant feature point.

然后，通过对几何攻击中的非同向性变换的研讨，入一步扩铺尺度空间理论在水印设计中的应用，提出一种基于仿射不变特性点的抗几何攻击算法。

For the multisensor linear discrete time-varying stochastic control systems with the different local dynamic models, using the Kalman filtering method, under the optimal fusion criterion weighted by scalars, the unified and universal optimal information fusion white noise deconvolution estimators are presenced, and for the corresponding time-invariant systems, the steady-state optimal information fusion white noise deconvolution estimators are also presented.

对于带不同局部动态模型的多传感器线性离散时变随机控制系统，应用Kalman滤波方法，在按标量加权最优融合准则下，提出了统一和通用的最优信息融合白噪声反卷积估值器，并对定常系统提出了稳态最优信息融合白噪声反卷积估值器。

For the multisensor linear discrete time-varying stochastic control systems with the different local dynamic models, using the Kalman filtering method, under the optimal fusion criterion weighted by scalars, the unified and universal optimal information fusion white noise deconvolution estimators are presenced, and for the corresponding time-invariant systems, the steady-state optimal information fusion white noise deconvolution estimators are also presented.

黑龙江大学自动化系，哈尔滨150080中文摘要：对于带不同局部动态模型的多传感器线性离散时变随机控制系统，应用Kalman滤波方法，在按标量加权最优融合准则下，提出了统一和通用的最优信息融合白噪声反卷积估值器，并对定常系统提出了稳态最优信息融合白噪声反卷积估值器。

By using it, we solve the Yamabe problem on quaternionic contact manifolds when the Yamabe invariant is smaller than that of the sphere.

我们还建立了四元切触流形的分析基础，应用建立的分析工具，在流形Yamabe不变量与球面的不同时，解决了四元切触流形上的Yamabe问题。

At last, a new shift-invariant de-noising method using finite ridgelet transform is proposed in this article.

最后在该算法的基础上提出了一种基于FRIT变换的平移不变去噪算法。

The symmetry invariant and rotation robusticity are discussed.

分析了纹理谱的对称不变性和旋转鲁棒性的特点。

Substantially invariant sealing pressure between the stationary and rotating seal surfaces is achieved by individual hanging weights each connected by a flexible cable guided by a pulley wheel spindled to rotate in a fixed location, to pull the stationary seal into contact with the rotating seal.

密封压力大幅不变之间的固定和旋转密封面是由每一个人吊滑轮由1轮的指导下灵活的电缆，连接权取得的单轴旋转在一个固定位置，拉接触与旋转密封的静密封。

Substantially invariant sealing pressure between the stationary and rotating seal surfaces is achieved by individual hanging weights each connected by a flexible cable guided by a pulley wheel spindled to rotate in a fixed location, to pull the stationary seal into contact with the rotating seal.

极大地在固定式和转动的封印表面之间的不变式的海豹捕猎压力由各自的垂悬的重量一灵活的缆绳连接的其中每一达到引导由成纺锤形的滑轮轮子在固定位置转动，拉扯固定式封印入与转动的封印的联络。

Finally, group classification of a generalized KP equation is undertaken. Group invariant solutions of the equation are obtained by combining the symmetry reduction method with the variable coefficient generalized Tanh method.

另外，我们还给出了广义Kadomtsev-Petviashvili方程的古典对称群分类，并结合变系数广义Tanh函数方法获得了其群不变解。

Moser [14] obtained the persistence of hyperbolic invariant tori when 0 6 Rn is a fixed Diophantine toral frequency and the eigenvalues of JM (J being the standard symplectic matrix in R2m) are real and distinct.

为中的标准辛矩阵的特征根为不同的实根时，得到了双曲不变环面的保持性。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。