...角频率 : 初始相位 35 三、序列的周期性 若对所有n存在一个最小的正整数N，满足 则称序列x(n)是周期性序列(periodic sequence )， 周期为N。
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近期在周期性时间序列资料分群研究上有越来越广泛的趋势。
In the near future at clustering periodic time series data study up have more and more extensive trend.
通过引入线性增长的周期性训练序列和失真检测算法，实现了预失真器非迭代方法的参数捕获。
Non-iterative method for capturing parameters of the predistorter was realized by the means of linear increasing periodic training sequence and distortion estimation algorithm.
某一沉积事件周期性出现的频繁程度可用时间序列中的频率来表示。
The periodic occurrence of any sedimentary event may be expressed by the frequency in the time series.
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