In this thesis, a method of structure optimization design with frequency constraint is presented, and an optimization system of railway vehicle with the frequency-forbidden-region has been designed based on this method.
本文提出了基于遗传算法的带频率约束的结构优化设计方法，并且根据该方法研制出了带频率禁区的铁路客车优化系统。
参考来源 - 带频率禁区的铁路客车优化系统的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
The smoothness constraint method of image restoration in frequency domain and its practical application in the remote sensing field are emphasized.
重点研究了频域平滑约束复原方法以及该方法在遥感领域中的实际应用。
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.
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。
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.
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。
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