时频联合域极化滤波 T-F polarization filtering
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根据颤振试验的原理和观测信号特点，提出一种时频域滤波方法。
According to the principles and signal properties of flutter test, a new filtering algorithm in time-frequency domain is presented.
当两种滤波器的尺度空间常数很大时，它们的时域与频域性能基本相近。
When the scale space constants of the two filters are large enough, the characteristics and performances are almost the same.
在频域中当信号频谱处于两个或更多个滤波器通道时，通过频谱组合办法直接得到实信号的正半谱或负半谱。
When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.
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