海军大连舰艇学院,辽宁,大连,116018
纸质出版:2005
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王孝通, 盖强, 张海勇, 等. 局域波自适应时频分析特性研究[J]. 电子学报, 2005,33(12):2187-2190.
WANG Xiao-tong, GAI Qiang, ZHANG Hai-yong, et al. Study of Adaptive Time-Frequency Analysis Characteristics of the Local Wave[J]. Acta Electronica Sinica, 2005, 33(12): 2187-2190.
局域波自适应时频分析是处理非平稳数据较为有效的新方法.该文较系统地研究了局域波分析的瞬时频率估计、分解的物理意义、高于小波分析的时频分辨率、没有Wigner-Ville时频分布交叉项和分解二维图像的特性.
Adaptive Local Wave Analysis (LWA) is a new effective method for processing non-stationary data.In this paper
the characteristics of the LWA
such as the physical meaning of the intrinsic mode functions
instantaneous frequency
having better joint time-frequency resolution than Wavelet Analysis
without cross terms that exist in Wigner-Ville distribution analysis
and 2-dimension LWA application in image processing
are discussed.
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