Different types of airborne SAR motion errors are analyzed, which are caused bythe deviations of the antenna phase centre.
对机载SAR运动误差的不同类型进行了详细分析,重点探讨了天线相位中心位置偏差引起的回波信号相位误差。
参考来源 - 机载合成孔径雷达运动补偿技术研究However, because the stiffness of the mechanical drive system is quite big, kinematic error would cause the instantaneous loads is not equal or even reverse, severely damaged service time.
但是,由于机械传动系统刚度较大,工作过程中的运动误差会引起受力不均甚至瞬时载荷方向相反,从而导致驱动单元在一个工作循环内的平均载荷激增,严重损坏传动系统寿命。
参考来源 - 重载设备冗余驱动关键技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
在机床加工工件时,实时测量机床主轴的径向运动误差。
The machine tool spindle radial motion error is measured online under the condition of workpiece being manufactured.
数值例结果表明,这种规划方法可以显著降低机器人输出运动误差。
Results of the numerical example indicate that the output motion errors can be significantly reduced by this programming method.
运动误差是造成低频超宽带合成孔径雷达成像质量降低的主要因素之一。
The motion error is one of the most important factors degrading the quality of low frequency UWB SAR images.
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