Therefore, optimal design problems of complex AT plans for equipment are difficult to be solved by analytical approaches.
因此，解析优化方法在装备的复杂加速试验方案优化设计中难以应用。
The first example implementation uses a technique where the initial design, as proposed by the standards used, suggests a non-optimal access pattern and causes performance problems.
第一个实例的实现使用的是最初的设计方法，由于是按标准使用模式提出的，表明它不是最佳的访问模式，因此会引起性能问题。
Fundamental principle and related key problems for the application of finite element method into structural optimal improvement design are expatiated and analyzed.
阐述和分析了应用有限元方法进行结构优化改进设计的基本原理和所涉及的关键问题。
The capacitated minimum spanning tree problem (CMST), one of the most fundamental problems in telecommunications and in the optimal design of networks, is studied.
研究流量约束最小生成树问题（CMST），它是通讯和网络优化设计中最为基础和重要的问题之一。
Problems of the establishment of basic structure, control of optimization process and analysis and application of optimized result etc. were discussed during the course of topological optimal design.
探讨了拓扑优化设计过程中，基本结构建立、优化过程控制及优化结果分析与应用等问题。
The simulative design solves the problems that one must test many times and the optimal design can not be done in empirical design.
模拟式设计方法可解决经验式设计必须多次试验和不能进行最优化设计的问题。
In this paper, the problems of the model reduction and the design of optimal output feedback matrix are discussed for linear stochastic discrete-time system.
本文研究了线性离散随机系统的模型降阶和最优输出反馈矩阵的设计问题。
As for the problems of optimal design on mechanical products, it is quite difficult to make a correct decision in the stage of scheme design due to too many involved factors.
对于机械产品优化设计问题，由于涉及因素较多，在方案设计阶段很难作出正确决策。
There are many extreme problems in surveying, like the optimal distribution of weight, optimal design of networks, the method of least absolute sum etc.
测量上有许多极值问题，如各种准则下的平差，权的最优分配，网的优化方案等，多可归于线性极值问题，且多不适用寻常数学解法。
According to the problems methioned above, this dissertation focuses on PAPR reduction techniques for OFDM systems, so as to design the optimal transmission signal.
针对上述缺点，本文重点研究了OFDM系统中峰均比问题，从而对传输信号进行优化设计。
The technical problems and solution for overall structure optimal design of the off shore wind turbine gearbox, transmission structures design and other technical issues.
海上大兆瓦风电齿轮箱整体结构优化设计、传动结构的确定、齿轮动态啮合过程的修型设计等技术难点及其解决措施介绍。
With respect to comparability and analysis, it draws a conclusion that fuzzy reliability optimal design is more practical to engineering problems.
结合实例进行分析计算，经对比分析得出模糊可靠性优化设计更接近工程实际的结论。
With respect to comparability and analysis, it draws a conclusion that fuzzy reliability optimal design is more practical to engineering problems.
结合实例进行分析计算，经对比分析得出模糊可靠性优化设计更接近工程实际的结论。
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