The motion error is one of the most important factors degrading the quality of low frequency UWB SAR images.
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 machine tool spindle radial motion error is measured online under the condition of workpiece being manufactured.
在机床加工工件时,实时测量机床主轴的径向运动误差。
A novel accurate two-probe method in time domain is put forward to measure straight-going component motion error in machine tools.
提出了采用精确时域两点法测量机床直行部件运动误差的新方法。
A kind of calculation method for outputting motion error and return stroke error Angle of less toothed gear drive system was provided.
提供了一种少齿数齿轮传动系统输出运动误差和回程误差角的计算方法。
Since the INS/GPS does not meet the need of imaging, Doppler parameters are obtained from SAR raw data to compensate the motion error.
由于INS/GPS数据难以满足成像精度要求,从回波数据中提取运动参数,用于运动补偿。
Displaced phase center algorithm is an effective motion compensation method when the motion error along the synthetic aperture is small.
位移相位中心法在合成孔径声呐载体运动误差较小时是一种运动补偿的有效方法。
The profile error of workpiece is separated by error separation technique to realize the online measurement of spindle radial motion error.
采用误差分离技术将工件的形状误差从所测信号中分离出来,实现在线测量主轴的径向误差运动。
Traditional airborne SAR (Synthetic Aperture Radar) makes use of the GPS/INS to compensate the platform motion error to acquire high resolution images.
传统的机载合成孔径雷达(SAR)一般依赖于GPS/INS组合系统补偿平台的运动误差,并获得高分辨率的图像。
In ultraprecision machining, multi probe methods are widely used for measuring the straightness error of the workpiece to separate the straightness motion error of the carriage.
在超精密加工中,用多测头方法测量工件直线度时,需要采用误差分离的方法分离出溜板的运动误差,并用一定的算法重构工件表面的直线度。
The experiment results of the real-time signal processor show that this method can effectively compensate the airplane motion error in real-time, and improve the SAR image quality.
实时信号处理机的实验表明,本文方法能实时和有效的实现机载SAR运动补偿,获得满意的成像质量。
This paper detailedly analyzes precise Range Cell Migration (RCM) correction of the targets and motion error compensation of platform in high resolution airborne SAR data processing.
该文较为详细地分析了高分辨率机载SAR数据处理中,有关目标距离单元徙动(RCM)校正和平台运动偏差的精确补偿问题。
The method can not only measure the lathe straight motion error but also provides a new route for measuring the straightness of workpieces. So the method can be applied in many areas.
该方法不仅能测量车床直线运动误差,而且为工件直线度误差在线测量提供了新的测试手段,很有开发应用前景。
According to the theory of mechanism precision and the idea of motion reliability, the article put forward a method of analysis to motion error and reliability for typical plane mechanism.
根据机构精确度理论和运动可靠性的概念,给出了典型平面机构的运动误差及运动可靠性的分析方法。
According to the theory of mechanism precision and the idea of motion reliability, the article put forward a method of analysis to motion error and reliability for typical plane mechanism.
根据机构精确度理论和运动可靠性的概念,给出了典型平面机构的运动误差及运动可靠性的分析方法。
应用推荐