查询词典 interval

As a result,the convex model-based pushover analysis makes an estimation of the performance of structure with an interval,and it is more objective and robust with respect to probabilistic perspective.

本文首先介绍了概率随机理论的局限性和集合理论作为一种非概率方法所具有的优点。

Radar detection range estimation ; convex model ; interval analysis ; uncertainty ; Taylor series

雷达探测距离估计；凸模型；区间分析；不确定性；泰勒级数

For an uncertain system described by convex combination of interval polynomials, its Hurwitz-stability can be guaranteed by certain subset composed of vertices and edges.

对于由区间多项式的凸组合描述的不确定系统，它的Hurwitz稳定性可由某个仅由顶点和棱边构成的子集来保证，且此集合的大小与系统的维数无

Based on that fact, in terms of convex optimization techniques, the Maximum Allowable Transfer Interval and controller are obtained.

根据此充分条件，通过建立并求解一个凸优化问题，得到网络化控制系统的最大允许传输间隔以及此时的控制器。

Necessary and sufficient conditions of the robust positively invariant sets are established for the linear discrete-time system family specified by matrix convex polyhedron and additive interval disturbances.

对由矩阵凸多面体和加性区间扰动描述的线性时变离散系统族，得到了鲁棒正不变集的充分必要条件；对非线性系统族则得到有关充分条件。

Based on the flaw of the probability reliability model in the case of small amount of information,non-probability and mixed probability/non-probability reliability models are presented. When the uncertainty of the basic random variable is described by convex, analytical and numerical methods are constructed to calculate the convex of response variable. The infinite norm index, which is the minimal infinite norm distance from original coordinate point to the surface of the limit state in the standard interval space, is presented to measure the safety of the structure.

针对概率可靠性模型在小子样信息下的缺陷，建立了非概率可靠性模型及概率—非概率混合可靠性模型；给出了用集合来描述变量不确定性时，极限状态变量变化集合的解析解和数值迭代解法；提出了物理概念明确且十分易于工程应用的度量结构、机构安全程度的无穷范数指标，它是标准区间空间中坐标原点到极限状态表面的最小无穷范数距离。

For stabilizing theeffect of Hippophae in continueing growth and N2 fixation for longer peried,coppice to Hippophae at 5 years interval is necessary.

为了保证沙棘能持续稳定地固氮、增氮，保持混交林的合理结构和稳定性，剪伐更新是必要的，一般以5年为宜，更新的当年和次年其结瘤固N能力即恢复到造林后的3-4年的水平。

In periodic systems,the time interval between two corresponding points on successive cycles.

周期系统中，在相继两循环中两个对应点之间的时间间隔。

In periodic systems, the time interval between two corresponding points on successive cycles.

周期系统中，在相继两循环中两个对应点之间的时间间隔。参阅frequency。

Based on the bend behavior of rail, the influence of sleeper interval is more important to plastic deformation. Formation of white-etching layers due to hardening properties in the trough of corrugation is analyzed.

在考虑钢轨弯曲变形的基础上，研究了枕木间距对钢轨表面塑性变形的影响；分析了波磨波谷处硬化白层的产生机制。

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