该文通过对车辆的动力学分析，建立了事故再现中的汽车轨迹模型，并实现了计算机软件，最后对模型进行了验证。
Through the dynamic analysis of vehicle, the Vehicle Trajectory Model is built, and the programming of the model is established and validated in the paper.
该法对试验项目中所施加的试验电流波形进行了频谱分析，为通过试验装置的计算机软件进行检定提供了理论基础。
The testing current waveshape have been spectrally analysed, thus providing the theoretic basis for the verification of these items by using software that works as a part of the testing devices.
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