Through the collection, trim, iteration and calculation of the real road loading on the engine supporting, this paper describes the study on the spacial road spectrum used on rig test.
通过对发动机支承实际道路载荷的采集、整理迭代计算得到了用于台架试验的加载谱，其结果可对发动机支承进行可靠性试验和动态性能试验。
Combined with the application of GPS in data collection, the paper introduces the operational principle of position display and data collection of road test.
结合GPS在数据采集中的应用介绍了位置显示与道路修测数据采集和处理的工作原理。
This paper introduces the design, calculation of parameters, the collection and process of data by computer for the test equipment of setback pressure for safety valve.
介绍了安全阀回座压力校验装置的设计、参数的验算、数据的电脑采集处理。
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