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1)  subband-norm
子频带范数
1.
According to the the distribution of the instantaneous signal in time-frequency space, the instantaneous signal is decomposed with wavelet packet transformation and the subband that subband-norm reaches peak vaule with scale are searched.
首先采用小波包变换对暂态信号进行多尺度分解,搜索子频带范数随尺度变化而增大并达到峰值的子频带,然后对子频带内的小波系数进行阈值处理,最后进行信号重构。
2)  frequency band range
频带范围
3)  low frequency sub-band
低频子带
1.
Choosing proper orthogonal wavelet function,the low frequency sub-band was enhanced obviously and the high frequency sub-band was restrained moderately to realize image enhancing via the modulation of information entropy window.
采用信息熵窗小波低频子带分析的方法,目的是对缺乏足够能量的低照度和低对比度图像进行增强。
2.
By analysis on coefficient characteristic after discrete wavelet transform,multiple description coding method based on discrete wavelet transform is proposed,the method generates multiple description bit-stream by restructuring and assigning wavelet coefficients of low frequency sub-band after discrete wavelet transform.
在分析离散小波变换后系数特性的基础上,提出了一种基于离散小波变换的多描述编码方法,它通过将离散小波变换后的低频子带的小波系数进行重组赋值产生多描述码流。
4)  high frequency land
高频子带
5)  Frequency subband
频率子带
6)  frequency-band number
[电]频带数
补充资料:次以道韵寄范子夷子默
【诗文】:
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至今筦枢机,大度而少与。
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