FTA：疲劳试验品

“Fatigue Test Article”常缩写为FTA，以便于快速书写和使用，该缩写广泛应用于机构领域，特别是美国航空航天局（NASA）等航天科研环境中。其对应的中文含义为“疲劳试验品”，通常指用于材料或部件耐久性测试的样品。

Through the fatigue test, this article has also compared the EEG of the person in full energy state and in fatigue state through extracting rhythm and power spectrum for the EEG, obtaining in the law of the degree of fatigue and the variation of EEG.
本文通过疲劳实验，分别处理正常人在精神饱满时和疲劳状态下的脑电信号，将二者的节律提取结果和功率谱图做了对比，得出在疲劳度与脑电波变化的规律。
On the basis of exploration of the criterion of speeding fatigue test for structural components, the article sets forth the adaptive area of various common methods for speeding the fatigue test. A simple non-linear intensified spectrum method is raised and put into practice.
在探讨了结构零部件加速疲劳试验准则的基础上，阐述了各种常见的加速疲劳试验方法的适用范围，提出并实践了一种简单的非线性强化载荷谱法。
Each group has one beam to do the fatigue test, the other to do static destruction test, and both for comparison. this article has done the following work. 1.
每组中各一根梁做疲劳试验，另一根做静载破坏试验，以作对比。

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