tapering periodogram加窗周期图
periodogram algorithm平均周期图法
periodogram methods周期图方法
periodogram analysis[数] 周期图分析
Periodogram Method周期图法;周期图谱法
Periodogram predictor周期图预测
cyclic periodogram循环周期图
averaged periodogram平均周期图
The Periodogram周期图
The new algorithms can overcome efficiently the shortcomings of low resolution and high variance which are existing in both FFT and Cross-periodogram methods.
该方法可以有效地克服传统的互谱FFT算法和互周期图法存在的谱分辩率低，谱估计方差大等缺点。
参考来源 - 期刊学术社区Previously time series method, periodogram, neural network method, the grey system theory and other methods of prediction of ship are applied.
以往曾有时间序列法、周期图法、神经网络法、灰色系统理论等方法进行舰船的预报。
参考来源 - 基于组合预测方法的舰船纵摇运动预报