...常经典的时频分析工具，维格纳-威利分布(WVD)相比于短时傅里叶变换(STFT)具有较高的时间域和频率域的精度，维格纳-威利分布(WVD)在时频分析领域得到了广泛地应用；然而，维格纳-威利分布(WVD)也存在一些缺陷，例如，由于维格纳-威利分布(WVD)是一种二次时频分...
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Then, The WVD function's mechanism of suppressing additive random noise in stationary random process is analyzed theoretically.
然后，从理论上分析了它抵消平稳随机过程中与信号不相关的加性随机噪声的机理；
In the paper, the method to estimate instantaneous frequency of AM-FM signals using the peak of the WVD and its performances are studied.
该文研究了应用WVD谱峰检测估计AM - FM信号的瞬时频率的方法及其性能。
Due to high temporal and frequency resolution and high energy focus, the accuracy of fault signal feature extraction is greatly improved by WVD.
WVD很高的能量聚集性和很好的时频分辨率，极大地提高了故障信号特征提取的准确度。
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