... precessing-disk model 进动盘模型 precession globe 岁差仪 precession period 进动周期 ...
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Furthermore, Circular Average Magnitude Difference Function was proposed to extract the precession period from filtered RCS-time sequences.
然后对滤噪后的RCS时间序列采用循环平均幅度差函数法提取进动周期。
参考来源 - 弹道导弹中段雷达特性分析与提取方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出两个关系，即进动周期—绝对星等的关系和黑洞质量—进动锥角的关系；
Two correlations have been raised and sustained by observational values, which are precession period - absolute magnitude correlation and black hole mass - precession cone semi-angle correlation;
进动周期下限可能远小于真实进动周期，此时自相关法的估计性能将严重下降。
However, the lower bound of the precession period provided may be far less than the true precession period, which will seriously degrade the estimation performance.
首先求出acf和其凸包的差函数，然后搜索差函数的最大值，从而得到进动周期的估计值。
The difference function between the ACF and the convex hull is obtained, and then the precession period is estimated by searching for the maximum value of the difference function.
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