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。
The calculation results were compared with those obtained by relevant cyclic loading test results, and the validity of this proposed model was verified.
最后将该方法的计算结果与相关循环荷载试验结果进行了对比，结果证明了该模型的有效性。
The calculation results were compared with those obtained by relevant cyclic loading test results, and the validity of this proposed model was verified.
最后将该方法的计算结果与相关循环荷载试验结果进行了对比，结果证明了该模型的有效性。
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