国家自然科学基金(s60672125)

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Analysis of realizable rational decimated nonuniform filter banks with direct structure
《Progress in Natural Science:Materials International》2008年第12期1501-1505,共5页Xuemei Xie Lili Liang Guangming Shi 
supported by National Natural Science Foundation of China (Grant Nos.60672125 and 60776795);Program for New Century Excellent Talents in University (Grant No.NCET-07-0656)
In the design of nonuniform filter banks （NUFBs） with direct structure, the location of each analysis filter, corresponding to the sampling factor satisfying maximal decimation condition, should be set properly to a...
关键词：Nonuniform filter banks Rational sampling factors Large aliasing Locations of analysis filters 
Method for signal decomposition and denoising based on nonuniform cosine-modulated filter banks
《Progress in Natural Science:Materials International》2008年第10期1293-1298,共6页Xuemei Xie Li Li Guangming Shi Bin Peng 
supported by National Natural Science Foundation of China (Grant Nos.60672125 and 60776795);Program for New Century Excellent Talents in University (NCET-07-0656).
In this paper, a novel method for signal decomposition and denoising is proposed based on a nonuniform filter bank （NUFB）, which is derived from a uniform filter bank. With this method, the signal is firstly decompo...
关键词：Signal decomposition DENOISING Nonuniform filter bank Narrow-band noise 
Design of nonuniform cosine-modulated filter-banks with the perfect-reconstruction property and arbitrary filter lengths
《Progress in Natural Science:Materials International》2007年第3期340-345,共6页XIE Xuemei 
Supported by National Natural Science Foundation of China (Grant Nos. 60672125 and 60372047)
In this paper, a method is proposed to construct recombination nonuniform cosine-modulated filter banks （CMFBs） with a perfect-reconstruction property and with arbitrary filter lengths. In this filter bank （FB） st...
关键词：recombination nonuniform cosine-modulated filter bank transmultiplexer perfect-reconstrucUon arbitrary-length. 
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