Structural reliability analyses seek to calculate the failure probability of a predefined performance function.
结构可靠度分析的核心是计算预定义功能函数的失效概率。
A new function solving method based on function family is given by mapping the functional tree with the performance function.
当前较大规模的功能树组合求解方法存在解空间庞大、冲突定位困难的问题，对此提出了一种基于功能集族的功能求解方法。
On such a basis, a performance function based on the shear strength envelope curve in the shape of quadratic parabola was established.
在此基础上，建立了基于二次抛物线形抗剪强度包络线的功能函数。
The performance function is constructed, and the performance of civil servants can be compared. Empirical analysis is also made in this paper.
然后构造出绩效函数，用于比较绩效的大小，并进行了相关的实证分析。
The failure mode and the design reference period of the steel rail are discussed, and the steel rail's performance function at limit state is established too.
讨论了钢轨的失效模式和设计基准期，建立了钢轨极限状态方程的功能函数。
The formula of the gradient vector of every performance function is derived, and the iterative and recurrence formulas of collapse probability of section are obtained.
由截面各类复合内力的极限状态建立截面破坏的各类功能函数，导出了各类功能函数的梯度向量计算公式，以及破坏概率计算的迭代、递推公式。
During the process of learning the RBF neural network, one can accelerate the converging process of learning by regulating the learning speed according to a performance function.
在RBF神经网络的学习过程中，根据性能函数调节学习率，可以加快学习的收敛过程。
A set of formulas for the computation of quadratic performance function associating with first and second-order sensitivities of feedback coefficient matrix is given in this paper.
本文给出了连续系统中计算二次型性能函数对反馈系数阵的一阶和二阶灵敏度的全套公式。
The energy equation is solved by the zonal method, and the inverse radiation problem is solved through the minimization of performance function with the conjugated gradient method.
采用段法(区域法)求解正问题，反演中采用求目标函数极小值的共轭梯度法。
The truss arch structure is a three-dimensional higher statically indeterminate structure, and no definite expression of the performance function can be given for its unbelievable complexity.
桁架拱结构是一个高次超静定的复杂三维结构，构件的功能函数没有明确表达式。
One method was getting the maximum and the minimum of the structural performance function by optimization, and then calculating the ratio of mean-value to deviation of the performance function.
一种方法是先优化得到结构功能函数的最大和最小值，再计算功能函数均值和离差的比值；
First, the performance function is analyzed by the non-probabilistic set-based reliability model, and then the reliability of all regions in the normalized interval variable space is summed up.
该模型首先通过将功能函数进行非概率可靠性分析，然后将标准化区间变量空间所有区域的可靠度进行求和计算，从而给出结构的可靠度。
Reliability calculation based on response surface FEM method utilizes the FEM numerical simulation to solve the reliability problems in which the analytical performance function can not be given.
响应面有限元的可靠度计算是采用有限元数值模拟来解决功能函数不能明确表示的结构可靠度计算问题的一类方法，对于大型复杂结构的可靠度分析有重要的意义。
For each discretized angular speed, the control law is derived from the generalized linear quadratic objective performance function including residual vibration measurements and imbalance correction.
针对每个离散角速度，依据影响系数法，采用包含残余振动值和校正不平衡的广义线性二次型目标性能函数推导出控制律。
FOSM is usually used for the explicit performance function, and the accuracy of FOSM can not satisfy the engineering requirement sometimes for the structures which have higher reliability requirement.
一次二阶矩法可以方便用于功能函数为显式表达的情况，但对于可靠性要求较高的结构，其计算精度有时不能满足工程需要。
Such information is not intended as a definitive statement of a commitment to specific levels of performance, function or delivery schedules with respect to any future products.
上述信息并不打算作为对任何未来产品的特定性能级别、功能或交付时间表的明确承诺。
There are so many differences and links among the concepts of performance, function, effect and value.
“功能”、“职能”、“作用”、“价值”等概念既有联系，又有区别。
There are so many differences and links among the concepts of performance, function, effect and value.
“功能”、“职能”、“作用”、“价值”等概念既有联系，又有区别。
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