查询词典 sliding vector

Then the computation processes of the wedge sliding safety factor considering seismic influences in 3DEC are carried out, and two important steps in the compute process are given: the determination of the area of triangle, the volume of tetrahedron in 3D and the intersect line vector of two joint faces.

最后，分析考虑地震影响下楔体安全系数计算在3DEC中的实现过程，并且给出计算过程中的2个重要步骤，确定空间三角形的面积和四面体的体积以及确定两节理面的交线矢量。

So, When the power system is in transient, the sliding mode control rule is chose directly to make transient component decrease quickly, and when the power system is in stability, the direct current control method based on voltage space vector method is imported to make the error current reduce to zero by inches and avoid surge.

为此，当系统处于暂态时，论文直接选择滑模控制率使暂态分量迅速减小，当系统处于稳态时，引入基于电压空间矢量的直接电流控制方法，使误差电流趋于0缓慢变化，在有效补偿系统无功的同时，提高了系统的动态特性，并大大降低了系统振荡的可能性。

The other is output vector uncertainties satisfying sliding surface matching condition.

这两个特性是对滑模控制内在优点更进一步的认识。

Sliding mode variable structure space vector modulate direct torque control is selected for electro-servo system, and different parts of servo system is modeled.

由于海浪的随机扰动等因素的影响，对电磁转矩的控制成为了伺服控制的关键，最终确定伺服系统的控制方式采用滑模变结构空间矢量直接转矩控制，并建立了系统各部分的数学模型。

Keywords power factor correction; reversible converter; variable structure control with sliding mode; space vector; digital signal processor

要害词 功率因数校正；可逆变流器；滑模变结构控制；空间矢量；数字信号处理器

For mining of frequent itemsets in data streams with a sliding window, efficient bit vector based algorithms are proposed.

我们也针对串流资料的滑动窗模型提出了两个单次频繁项目集合探勘演算法MFI-TransSW与MFI-TimeSW，可有效地在交易感知滑动窗模型以及时间感知滑动窗模型中探勘出目前存在的频繁项目集合。

Keywords power factor correction; reversible converter; variable structure control with sliding mode; space vector; digital signal processor 学友吧$m F6'5w-PI?

X\；U k'y1关键词功率因数校正；可逆变流器；滑模变结构控制；空间矢量；数字信号处理器

The parameter of the support vector machine and the length of sliding step in smoothing the power spectrum are determined by experiments.

通过实验确定了支持向量机核函数的参数和功率谱平滑的滑移步长。

The calculation equations for sliding direction,plane intersection points,area,volume,and safety of key blocks of slope are established by stereographic projection of vector and vector calculation.

利用全空间赤平投影和矢量计算对边坡关键块体滑动方向、结构面交点、面积、体积和安全性建立了计算方程。

The terminal sliding mode controller is designed by using unit vector style; the switching function of the terminal sliding mode is designed by the quadratic optimal control theory.

采用单位向量控制形式的最终滑动模态控制器，并采用二次型最优控制理论设计最终滑动模态的切换函数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。