六月，一个乘员舱适配器(CMA)模拟器抵达nasa格伦的梅溪站进行检测，包括所有重要的声学和机械振动试验，模拟发射条件。
In June, a Crew Module Adapter (CMA) simulator arrived at NASA Glenn's Plum Brook Station for testing, including all-important acoustics and mechanical vibration tests to simulate launch conditions.
试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
试验表明，系统可以发现故障机械振动信号带有的奇异性，实现旋转机械的故障诊断。
Experimentation results indicate that the singularity of the fault machinery vibration signal can be detected and the machinery fault can be discovered by the system.
本文对金属类粉体如镁粉、粮食类粉体如麦芽粉在工业规模的机械振动筛筛分时产生的静电带电量进行了试验测试。
Test research on static electricity generation has been carried out for metal magnums powder and grain powder malt in this paper.
采用阀门用钢A105作为试验材料，采用机械振动焊接与常规埋弧自动焊接相结合的方法进行对比试验。
The contrast tests of vibratory submerged-arc welding and normal SAW(submerged arc welding) on the valve steel A105 was carried out.
采用阀门用钢A105作为试验材料，采用机械振动焊接与常规埋弧自动焊接相结合的方法进行对比试验。
The contrast tests of vibratory submerged-arc welding and normal SAW(submerged arc welding) on the valve steel A105 was carried out.
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