高速列车车体长度对气动噪声影响的数值研究 1)
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INFLUENCE OF THE LENGTH OF HIGH-SPEED TRAIN ON THE FAR-FIELD AEROACOUSTICS CHARACTERISTICS 1)
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图12. 两节下游车厢的沿线噪声曲线峰值探点的声压级频谱 |
Fig. 12. Spectrum of SPL for middle cars at the given location |
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