1) Wigner-Ville spectrum
Wigner-Ville谱
2) WVD
Wigner-Ville分布
1.
Time-frequency distribution characteristics of Wigner-Ville distribution(WVD) and Choi-Williams distribution(CWD) are discussed,both of which are members of the Cohen s class.
分析了2种Cohen类时频分布Wigner-Ville分布(WVD)及Choi-Williams分布(CWD)的时频特性。
2.
Some typical methods of extracting the in-pulse features of radar signal such as wavelet transformation and WVD were compared.
通过对小波变换法、Wigner-Ville分布等典型雷达信号脉内特征提取方法优缺点的分析,提出了一种将小波变换法和Wigner-Ville分布提取的结果进行截断综合的综合提取算法,实现了雷达信号的脉内特征准确提取。
3.
The instantaneous frequency spectrum of the impulse radio signal is represented by HHT,and which is calibrate its fidelity compared with the best existing methods,the wavelet analysis and Wigner-Ville distribution(WVD).
通过HHT可以得到冲击无线电信号的时频谱,并与传统的小波时频谱和Wigner-Ville分布进行了比较。
3) Wigner-Ville transform
Wigner-Ville变换
1.
In this paper,the methods of wavelet transform and Wigner-Ville transform are applied to the signal analysis of guided wave inspection of defects in a hollow sucker rod.
因而对导波检测信号的处理成为一重要研究内容,本文利用时-频分析方法中的小波变换和Wigner-Ville变换对管道和抽油杆缺陷的导波检测信号进行了分析处理。
2.
This paper provides an approach to the estimation of the Doppler frequency modulation slope of spaceborne SAR, which is based on Randon-Ambiguity transform, and makes a comparison of this method to another related to time-domain and frequency domain, which is based on Wigner-Ville transform.
提出基于Radon-Ambiguity变换估计星载合成孔径雷达的多普勒调频斜率的方法,并与常用的时频域估计星载合成孔径雷达的多普勒调频斜率的方法———基于Wigner-Ville变换估计方法进行了比较。
4) Wigner-Ville distribution
Wigner-Ville分布
1.
Time frequency-based independent component analysis for elimination of cross-terms in Wigner-Ville distribution;
基于时频独立分量分析的Wigner-Ville分布交叉项消除法
2.
Research on identifying method of the Wigner-Ville distribution to crossing item;
Wigner-Ville分布交叉项识别方法研究
3.
Suppressing crossterms of Wigner-Ville distribution based on empirical mode decomposition;
基于经验模式分解的Wigner-Ville分布交叉项抑制方法
5) Wigner-Ville Distribution(WVD)
Wigner-Ville分布(WVD)
6) pseudo-Wigner-ville distribution
伪Wigner-ville分布
1.
In the light of pseudo-Wigner-ville distribution and bispectrum estimation analysis, the feature chart of fault signals is established.
利用伪Wigner-ville分布和双谱估计可绘出滚动轴承故障信号的特征图谱。
补充资料：Wigner rule
分子式：
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性质：又称维格纳法则。在处于激发态的原子或分子与另一个处于基态的原子或分子之间发生电子能量转移时，该体系的总自旋角动量(矢量)应当保持不变。
CAS号：
性质：又称维格纳法则。在处于激发态的原子或分子与另一个处于基态的原子或分子之间发生电子能量转移时，该体系的总自旋角动量(矢量)应当保持不变。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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