extremum
英
美
n. 极值;最大(最小)值
英英释义
noun
- the point located farthest from the middle of something
- the most extreme possible amount or value
- voltage peak
双语例句
- In this paper, the method of extremum of the product function is used to analyze upper bound seismic base shear force of the existing overpass and the calculation formulas are gotten.
本文利用积函数极值法,从地震作用的角度出发,推导并建立了已建立交桥桥墩的基底剪力的表达式。 - Multiscale boundary detection is equivalent to searching out the local extremum of wavelet transform modulo of image.
多尺度边缘检测等价于寻找图像的小波变换模局部极值。 - Optimality condition is established for vector extremum problems with constraint by applying the alternative theorem under generalized subconvexlike maps in locally convex spaces.
运用序局部凸空间的广义次似凸映射下的择一性定理.得出带有约束的向量极值问题的最优性条件。 - Based on the ergodicity, stochastic property of chaos, the algorithm can avoid the shortage of being easily trapped in a local extremum at the later evolution stage.
该算法利用混沌运动的遍历性和随机性,克服了粒子群算法后期陷入局部最优的缺点。 - In this paper, based on the method of extremum of product function, theoretical solutions in closed form for the upper bound seismic shearing forces and bending moments of retaining dam are derived.
基于积函数极值法,确定了刚度分布未知的挡水坝的地震剪力和地震弯矩上限。 - A new adaptive threshold method is proposed, which combines the extremum method with the threshold and the barycenter method.
又讨论了常用的各种光刀提取法的基础上,提出了一种光刀中心自适应阈值提取法。 - The reason to mode mixing in the result of empirical mode decomposition is discussed in respect of the variation of extremum series.
讨论了由于间歇信号嵌入导致经验模式分解结果出现模态混叠的现象,指出极值点序列幅值突变是产生模态混叠的根本原因。 - Imbalance Thrust Force Method for Slope Stability Analysis Based on Extremum Principle
基于极值原理的边坡稳定分析不平衡推力法 - It can not only overcome the disadvantage of easily getting into the local extremum in the later evolution period, but also keep the rapidity of the previous period.
所提出的算法将粒子群优化算法和混沌算法相结合,既摆脱了算法搜索后期易陷入局部极值点的缺点,同时又保持了前期搜索的快速性。 - Duality Theorems of a Kind of Extremum in Topological Vector Spaces
线性拓扑空间中一类极值的对偶性定理
