1) vaiable metric formula
变尺度公式
2) scaling relationship
尺度公式
1.
Simulation results show that the Wyngaard’s scaling relationship for CT 2 in the entrainment layer is only valid for large convective Rich.
模拟研究表明,Wyngaard的夹卷层CT2尺度公式仅在对流理查森数较小的情况下有效(Ri>40)。
3) scale distortion invariant pattern recognition
尺度畸变不变模式识别
1.
In this paper, the impact of the orders of fractional corrrelator on the energy distribution of the correlation plane is analyzed theoretically, and then the performance of fractional correlator for scale distortion invariant pattern recognition is discussed deeply by numerical method based on the matched filtering configuration.
从理论上分析了分数相关的分数级次对相关输出面能量分布的影响 ,利用数值模拟方法 ,对分数相关尺度畸变不变模式识别特性进行了深入的讨论 ,并与传统相关器进行了比较。
4) scale-invariant pattern recognition
尺度不变模式识别
5) variable metric method
变尺度法
1.
Aiming at six parameters(κ,γ,δ,μ,η and C_0) of the dynamic vibration absorber in deep sea,the optimal design of parameters was processed with Broyden-Flether-Goldfarb-Shanno(BFGS) method of variable metric method,penalty function method and the line-search method.
针对海洋环境下动力吸振器的6个参数(κ,γ,δ,μ,η和C0),综合运用变尺度法中的Broyden-Flether-Goldfarb-Shanno(BFGS)法、罚函数法、一维搜索法进行最优化设计,利用Matlab和Visual C++混合编程实现计算。
2.
In this paper, we combine the extended projection type method given in 1 and uncontrained variable metric methodaand and give a new algorithm with n+m +1 parameters to solve linearly constrained nonlinear programming problems.
将文〔1〕中拓广的梯度投影法与无约束变尺度法结合,给出了含有n+m+1个参数且适用于求解带线性约束的非线性规划问题的算法,证明了算法的可行下降性及终止条件,研究了参数取特殊的值时所得算法的子族。
3.
This paper prestents a class of reduced variable metric algorithm for programming problems with standard linear constraints with the help of reduced gradient and Huang s variable metric methods.
本文将既约梯度法与Huang族变尺度法相结合,给出标准型线性约束规划问题的一类既约变尺度法。
6) DFP
变尺度法
1.
According to the problem of artillery control system and simulated annealing algorithm,a new improved simulated annealing algorithm,a simulated annealing algorithm based DFP is designed,and it is applied to PID control of artillery control system.
针对现有火炮控制系统与模拟退火算法优化存在的问题,提出了一种改进的模拟退火算法用于火炮控制系统PID参数寻优的方案,即基于变尺度法的模拟退火算法。
补充资料:变尺度法
分子式:
CAS号:
性质:变尺度法是在解无约束极值问题的梯度法基础上发展起来的,它利用递推的方法计算目标函数的二阶导数及其逆阵,减少了计算量,同时比梯度法收敛快,是目前解决无约束极值问题的最有效的算法之一。
CAS号:
性质:变尺度法是在解无约束极值问题的梯度法基础上发展起来的,它利用递推的方法计算目标函数的二阶导数及其逆阵,减少了计算量,同时比梯度法收敛快,是目前解决无约束极值问题的最有效的算法之一。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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