1) the first two moments
前两阶矩
1.
In this paper we mainly discuss the first two moments of the ruin time T 、recovery time ~ ( = 1 , 2 , ) and the sum of recovery time ~ in the compound binomial model by renewal method and martingale method when the initial surplurs is u .
主要通过更新方法和鞅方法来讨论复合二项模型中破产时刻T、第i次恢复时间~(=1,2,)及总恢复时间~在初始额u下的前两阶矩,其主要依赖于破产严重性的分布。
2.
The main aim of this paper is to study the first two moments of ruin and recovery times in the compound binomial model.
本文主要研究了复合二项模型中破产时刻与恢复时间的前两阶矩。
2) the first four moments
前四阶矩
1.
The fourth-moments technique is employed to determine the first four moments of the system response and the state function.
使用四阶矩技术确定了系统响应和状态函数的前四阶矩，应用Ｅｄｇｅｗｏｒｔｈ级数把未知响应和状态函数的概率分布展开成标准正态分布的表达式，从而获得了系统的可靠度。
3) second-order-moment two-phase turbulence model
二阶矩两相湍流模型
1.
Two-fluid large-eddy simulation of backward-facing step gas-particle flows and validation of second-order-moment two-phase turbulence model;
后台阶气固流动的双流体大涡模拟和二阶矩两相湍流模型的验证
5) second-order moments matrix
二阶矩矩阵
1.
Based on the propagation law of the second-order moments matrix,the focusing of twisted anisotropic Gaussian-Schell model (AGSM) beams through a lens is studied.
基于有扭曲的各向异性高斯 谢尔模型 (AGSM)光束二阶矩矩阵的传输公式 ,研究了AGSM光束通过透镜的聚焦。
6) second moment matrix
二阶矩矩阵
1.
Inspired by image salient area detection model,A model for extracting local invariant feature is proposed based on salient measurement of local second moment matrix.
利用二阶矩矩阵对尺度空间下局部图像的各向异性程度的估算作用,在图像尺度空间中对局部特征提取区域的信息显著性进行评估,并根据显著性进行局部不变特征的提取,提取出拥有较高显著性的局部不变特征,增加了匹配特征点对的数量和尺度跨度。
2.
Affine invariant feature is constructed based on scale space and second moment matrix, image registration is performed using pyramid method and distance calculation acceleration, and reliability is ensured by registration probability model.
仿射不变特征基于图像尺度空间和二阶矩矩阵构建,配准使用金字塔方法和距离度量的加速算法进行,借助配准概率模型检验,保证配准可靠性。
补充资料：前矩
1.前人留下的规范。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条