The modal matrix expansion of the cross power spectra of the multi-measurement acceleration response in the multi-DOF structure is derived in detail.
详细推导了多自由度结构多测点加速度响应的互功率谱模态矩阵展开式。
Compared with the computed torque method, the algorithm can give error convergence bound clearly without acceleration measurement and inverse inertia matrix.
与传统计算力矩法相比，在不要求加速度测量和惯性矩阵求逆的情况下，算法给出清晰的跟踪误差收敛域。
Velocity and acceleration are analysised with frist and second-order effect coefficient matrix.
利用一、二阶影响系数矩阵分析速度和加速度。
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