周期性误差是匀速直线运动降质图像复原中普遍存在的现象，它严重影响复原图像质量。
Periodic error commonly appear in restoring uniform motion blurred picture, its appearance degrade the quality of restored image heavily.
结果表明：该方法能够有效地抑制位置反馈元件周期性误差导致的速率波动，提高转台的速率平稳性。
The results show that this method can efficiently restrain the rate ripple of the table caused by the periodic errors of position feedback elements, and can raise the rate stability of tables.
所提出的测试方案和辨识方法解决了地球自转角速度对陀螺加速度计的输出造成周期性误差这一重要问题。
The test scheme and identification method were given which solved the problem of periodic error caused by the earth rotation angular velocity.
重复控制的基本思想是控制理论中的内模原理，根据上一周期的控制误差消除后面各周期性的信号误差。
The repetitive controller based on the theory of internal model produces correction signal based on the control error of the last cycle to eliminate the error in the latter cycle.
这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理，有效地减小了量化误差。
Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.
该方法弥补了线性系数最小二乘法的不足，获得了周期性系统误差的信息，提升了电涡流传感器的精度。
It is to meet the shortfall of least squares linear coefficients method, gain the information of periodic system error, and improve the precision of electric eddy sensor.
在雷达俯仰角(目标高度)方向上多径误差的影响尤为严重，使得目标高度的测量误差表现为周期性的尖峰误差。
In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement.
计算结果表明：旋转误差使三光束法循迹信号的幅值近似呈周期性变化，它是在生产过程中需要严格控制的参数以保证循迹信号的幅值最大化；
The rotation angle approximately periodically changes the sub-beam signal amplitude and should be strictly controlled in the assembly to maximize the tracking signal amplitude.
误差分析的结果表明，这种非同步取样数据的同步化算法，具有良好的同步效果，不仅可应用于稳态周期信号，也适用于周期性非稳态过程信号的测量和分析。
Simulation results show that the algorithm could be used not only in steady state signal analysis, but also in periodical non-steady state process signal analysis.
周期性跳动误差的幅度受波峰波谷位置准确度的影响，波峰波谷位置准确度越低，周期性跳动误差幅度越大，腔长解调误差越大。
Location errors of spectral peaks and valleys determine the magnitudeof demodulation errors, that is, the larger the location errors are, the larger the demodulation errors will be.
周期性跳动误差的幅度受波峰波谷位置准确度的影响，波峰波谷位置准确度越低，周期性跳动误差幅度越大，腔长解调误差越大。
Location errors of spectral peaks and valleys determine the magnitudeof demodulation errors, that is, the larger the location errors are, the larger the demodulation errors will be.
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