Open Access

表2

粉红噪声激励不同损坏程度的次级声源仿真数据

故障状态 f0/Hz f1/Hz f2/Hz Q Δf0/% ΔQ/%
f-Q-1 109.0 97.3 121.7 1.091 1 8.40 9.06
f-Q-2 104.0 91.9 116.7 1.052 0 12.61 12.31
f-Q-3 99.0 86.3 111.1 1.017 3 16.81 15.21
f-Q-4 94.0 81.2 105.7 0.994 3 21.01 17.12

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