Because the energy of LFM interference can be concentrated into a very narrow band in frequency domain by the time-frequency window, the impact made on the signal by TFW-STFT is lighter than the STFT.

• 由于提出的时频窗对LFM干扰具有较好的频域能量聚集性能，因此TFW-STFT对信号的影响要小于无聚集性能的短时傅里叶变换。