The over-testing problem is mainly caused by the traditional method in which the acceleration spectrum was enveloped and used as the control spectrum of the vibration table.
传统的卫星振动测试由于采用加速度谱包络的方式获取振动台控制谱，导致了“过试验”的发生。
The secondary impact acceleration pulse which is produced by the drop-test can influence the testing parameters and cause fatigue and damage of components.
凸轮式跌落冲击台产生的次冲击能够影响试件的测试参数和性能，并能造成试件的疲劳损伤与失效。
The secondary impact acceleration pulse which is produced by the drop-test can influence the testing parameters and cause fatigue and damage of components.
凸轮式跌落冲击台产生的次冲击能够影响试件的测试参数和性能，并能造成试件的疲劳损伤与失效。
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