本文讨论受到多频率约束的铁木森柯梁和尤拉梁的最小重量设计问题。
The present paper discusses the minimum weight design problem for Timoshenko and Euler beams subjected to multifrequency constraints.
第六章针对区间参数振动结构提出了一种具有频率约束的动力响应的区间优化方法。
In chapter 6, an interval optimization method of dynamic response for uncertain structures with natural frequency constraints is presented.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
文中的的算例表明移频与逆迭代法结合后对频率约束的动力拓扑优化问题非常有效。
The example in the paper shows the efficiency of shift frequency together with inverse iteration to perform the dynamic topology optimization with frequency constrain.
确定过程流和任意约束的修改频率。
Capture the frequency of changes to the process flow and any constraints.
在既定的约束条件下，着重研究了各具体参数，如资产风险水平、监管检查频率等对银行行为的影响。
There we study how several parameters, such as asset risk value, the frequency of regulation audit and so on, have their influence on banks' risk-taking behavior while some constraints are given.
本文给出了具有多个频率、位移和应力约束的结构最轻重量设计。
This paper presents a minimum weight design method of structures with multi frequency, displacement and stress constraints.
研究了具有随机参数的连续体结构在频率概率约束下的动力特性拓扑优化问题。
Based on frequency probability constraints, the models of topology optimization for a bending thin plate and a plain stress thin plate are constructed.
给出了约束阻尼夹层板固有频率和损耗因子的一种有限元计算方法。
A numerical computation method of the natural frequency and the loss factor of the sandwich plate with constrained damping layer is given in this paper.
这些限制的地方后，数字接口的设计硬约束，并建议该接口的接收器PLL具有闭环截止频率尽可能低。
These limits place tough constraints upon digital interface design, and it is recommended that interface receiver PLLs have closed-loop cutoff frequencies as low as possible.
然后针对每个传感器，根据其各频率波束形成加权向量，采用约束优化方法，设计出具有要求幅度和相位响应的FIR滤波器。
Then, the BCBB is implemented by a set of FIR filters corresponding to the input channels, which provides the frequency response derived from BCBB weights for each sensor.
构造了一种以结构最低固有频率作为约束频率的结构最轻重量设计方法，并建立了相应的迭代公式和收敛准则。
A method of minimum weight design with the lowest frequency as the constraint frequency is provided, and the iterative formulas and convergence criteria are found.
优化的约束条件包括应力、刚度、位移、频率、临界压力及动响应。
The optimization constraints can be stress, stiffness, displacement, frequency or buckling load and dynamic response.
为某一商用车驾驶室白车身建立了以固有频率为约束条件，焊点体积最小化为目标的优化模型。
An optimization model for the body-in-white (BIW) of a commercial vehicle cab is set up with natural frequency as constraint and minimizing the volume of welding spots as the objective.
可解决多约束问题，约束条件考虑了应力、应变、最大位移、固有频率及结构屈曲失稳等多种因素。
It also can be used in solving multi-constraint optimization problem, such as constraints on stresses, strains, maximum displacements, natural frequency and buckling instability of structure, etc.
同时随机化零矢量，通过约束保证平均开关频率等于采样频率。
Zero vectors are randomized with the sample frequency and the average switching frequency equals to sample frequency with some constraint.
首先在第二种约束方式下，利用有限元模态分析方法对几种不同板厚的机架进行了动、静态分析，得到了机架变形、应力及各阶振型与频率。
First, using second constrain, the static state and dynamic analysis applied to the frame of a few thickness plates with FEM modal analysis, distortion, stress, vibration and frequency were gained.
该方法具有公式简单，物理概念清晰，滤波点频率不受模块数取整的约束，便于连续控制滤波点频率的优点。
This method has several merits such as simple formula, clear physical conception, continuously controlled trap frequency that is independent on integral block number.
以系统的固有频率为约束条件，应用DSFD算法对系统进行优化计算。
The parameter is chosen as the objective, the frequencies as the constrains, and the DSFD method is used, for optimization.
其次，在一般连续体拓扑优化的基础上，对孔洞的形状施加几何约束，开展了带规则几何约束的连续体频率拓扑优化研究。
Secondly, based on the common topology optimization of continuum, by restricting hole's shape, frequency topology optimization with regular geometrical constraints is studied.
分析结果表明，优化后的主溜板在满足最大变形约束要求下，第一阶自然频率提高31.2%，材料节省7.8%。
Simulation with the optimized tool slide shows that the first order natural frequency is increased by 31.2% and material savings of 7.8%.
在此基础上，求出了振幅与脉宽、频率与啁啾、脉宽与啁啾之间的三个重要约束关系；
Then three important restricted relations between amplitude and width, frequency and chirp, width and chirp are obtaimed.
该方法从理论上可能的最小采样频率出发，根据采样后频谱不发生混叠的3种约束条件来确定可变的频率步长，搜索可用的最小频率。
The method starts with the theoretically minimum frequency and searches for the minimum valid sampling frequency using variable step sizes subject to three non-aliasing constraints.
计算了抛物量子线中强耦合束缚极化子的基态能量、振动频率和声子平均数。讨论了这些量对库仑束缚势和约束强度的依赖关系。
The ground state energy, the vibrational frequency and the mean number of optical phonons are expressed as a function of the confinement strength of quantum wire and the Coulomb bound potential.
计算了抛物量子线中强耦合束缚极化子的基态能量、振动频率和声子平均数。讨论了这些量对库仑束缚势和约束强度的依赖关系。
The ground state energy, the vibrational frequency and the mean number of optical phonons are expressed as a function of the confinement strength of quantum wire and the Coulomb bound potential.
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