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- random excitation simulation 偶然扰动模拟
- Wang Xicheng, Zhang Hailei, Evolutionary Algorithm for Solving the Structural Dynamic Optimization with Random Excitation, The national conference on solid mechanics 2002, Dalian. 王希诚,张海蕾,受随机激励作用结构的演化设计算法,全国固体力学学术会议,大连,2002。
- To make use of the model test method to study automobile rideability, the random excitation signal spectrum which is similar to that of typic-al roughness of road is needed. 利用模型试验方法研究汽车平顺性,需要在磁带上生成与路面不平度统计特性一致的随机激振信号。
- Presumable range of initial disturbances of one kind of rocket is simulated by the method of limited range random excitation,and it is useful for studying the initial attitude of the rocket. 通过有限幅值随机激励仿真的方法,得到了某型舰载火箭弹由于舰船摇摆产生的初始扰动的可能域,对研究该火箭弹的初始姿态具有参考意义。
- This paper presents a dynamic design method in which the failure condition of first passage of response for certain points (DOFS) on the structure to random excitation is regarded as a constraint. 提出一种将结构在随机激励下，某些给定点（自由度）上响应首次超过允许极限而发生破坏的条件作为约束的动力学设计方法。
- For dynamic response sensitivity analysis of stochastic structures under random excitation, a new dynamic sensitivity assessment method is presented on the basis of the point estimation method. 对于随机激励下随机结构动力响应的灵敏度分析问题,提出基于点估计法的随机结构随机动力响应灵敏度分析方法。
- multiple-point random excitation test 自功率谱密度
- stationary/non-stationary random excitation 平稳／非平稳随机振动
- non-stationary random excitation 非平稳随机激励
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- The acceleration response of the sprung mass for the quarter vehicle model the suspension system under periodical excitation and certain road uneven random excitations were discussed. 为了反映实车状况，着重讨论了在调和激振和随机路面激振下变刚度弹簧悬架簧载质量的动态相应特性。
- The sound tranfer loss of 2 kind of muffler structures are calculated, then tested and verified on the double sound transferrer random exciting exhaust muffler testing rig. 利用此种矩阵,计算了两种结构的消声器的传递损失,并在双传声器随机激励消声器试验台上进行了试验验证。
- The random excitations are first transformed into pseudo excitations before the non-uniformly modulated evolutionary random models are expressed by state space equations. 先用虚拟激励法将随机荷载化为确定性荷载，然后将非均匀调制演变随机模型用状态方程表示。
- THE RESEARCH OF RESPONSE OF OLEO DAMPER EXCITEDBY RANDOM EXCITATION 油液阻尼器对随机激励的响应研究
- Computer simulation of an in-flight emergency. 计算机模拟飞行途中的紧急情况
- Perhaps his nerve is naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。
- Keywords Random excitation;Ocean structures;slow drift extreme responses;capsizing;extreme behavior;numerical simulation;path integral solution method;Melnikov method; 随机激励;海洋结构物;慢漂极端响应;倾覆;极端行为;数值仿真;路径积分法;迈尔尼科夫法;
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
