使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the

瞬时频率估计，使用变窗长的魏格纳分布。比较新的文章。-Instantaneous frequency estimation using the Wigner distribution with varying and data-driven window length

非线性瞬时频率估计，基于PWVD，使用改进的ICI法则。-Nonlinear IF Estimation Based on the Pseudo WVD Adapted Using the Improved Sliding Pairwise ICI Rule

多重非平稳信号的瞬时频率估计，用时频的方法，比较新的英文文献。-Instantaneous frequency estimation of multiple non-stationary signals using time-frequency methods, the new English literature.