The power spectrum density (PSD) function is important in gustload flight experiment data analysis.
功率谱密度（PSD）函数在阵风载荷飞行试验数据分析中占有重要的地位。
2
Describing the buffeting gustload properly is an important section to predict the buffeting response.
准确预测抖振响应的一个重要环节是对抖振荷载的恰当描述。
3
Traditional gust responses are mainly analyzed based on linear aerodynamic load calculations in frequency-domain, which is unsuitable for and the viscous and transonic flows.