查询词典 invariance

In this paper, the form invariance of Nielsen equation for variable mass conservative mechanical system was studied.

形式不变性是不同于Noether对称性和Lie对称性的一种新的对称性理论。

Firstly, the invariance of boundaries in image under topological transformation has been well developed.

本文从计算机视觉和人类视觉两方面讨论视觉模式的感知不变性。

For one thing, it is hard to check the Lorentz invariance without locality.

另一方面，两个类空无穷远系统的能量可加性也对这一理论的统计守恒性质提出了要求。

As with the forward algorithm, we can use the time invariance of the probabilities to reduce the complexity of the calculation.

就如前向算法，我们能利用概率随时间恒定的性质来降低计算的复杂度。

Examining the mass of the photon is a very important way to test "invariance of the velocity of light".

检验光子的静质量对验证"光速不变原理"这一狭义相对论的理论基础有着重要的意义。

The uplink synchronization mechanism is using the invariance of the preamble which is also known to the base station.

我们在接收端的上行同步处理机制是利用上行传输资讯的不变性，直接对收到的信号作相关性的运算。

Computing with the invariance price in 1994, the health cost is estimated to be as high as 1081.6 billions RMB in the year of 2010,...

病例组合作为控制和缓解医疗费用的方法已经在世界各国得到广泛的注意和研究，并且在世界多个国家开始应用。

It is characterised by two crucial properties,renormalisability and gauge invariance,which we mention briefly here.

资讯科技是藉着二决定性的财产， renormalisability 和标准度量不变性表示的特色，我们在这里简短地提到。

This paper analyses the influence of scale factor on moment invariant features in discrete,constructs a new moment invariant with both scale,translation and rotating invariance.

分析了在离散状态下比例因子对不变矩特征的影响，构造了一种新的不变矩，使其具有平移、旋转和比例因子的不变性。

Based on this notion and the invariance principle, a condition is proposed and proved, under which an invariant set of states of a switched system with Lyapunov stable subsystems can be stabilized by state feedback.

基于这个不变性原理以及输入对系统能量函数稳定的概念，利用多Lyapunov函数方法提出并证明了一类具有Lyapunov稳定子系统的切换系统的不变集可状态反馈镇定的条件。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐