... 级数 progression 级数变换 transformation of series 级数表达式 series statement ...
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变换是一种新的级数变换，为研究线性时变离散系统的重要工具。
The E-transform is a new series transform. It is an important tool for studying linear time-variant discrete systems.
讨论了基于小波变换的时频分布级数，把一种新的时频分析工具——频率-切变分布应用于时频成像。
Time-frequency distribution series based on wavelet transform is discussed., and a new time-frequency tool: frequency-shear distribution is introduced into radar imaging fields.
一般函数都可以写成小波级数的形式，而由多分辨分析可得到小波的稳定有效快速变换算法。
General functions may be represented as Wavelet series. A kind of stabile, efficient and fast algorithm of Wavelet transform may be gotten through multi-resolution analysis.
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