基于统计能量分析原理,建立了商用车驾驶室统计能量分析模型,利用其对驾驶室内噪声进行了预测,结果表明,通过模型获得的计算结果与试验结果有较好的一致性,验证了运用统计能量分析方法对驾驶室内中高频噪声预测与控制的正确性。最后,利用该模型进行能量流分析,得出了对驾驶室声学设计有指导意义的结论。 Based on the principle of statistical energy analysis, a statistical energy analysis model of commercial vehicle cab was established and the noise in the cab was predicted. The results show that the calculated results obtained by the model are in good agreement with the experimental results, Correctness of Energy Analysis Method for Prediction and Control of Medium and High Frequency Noise in Cabin. Finally, the model was used to analyze the energy flow, and the conclusion of guiding the acoustic design of cab was drawn.