多重對(duì)偶小波框架與波包框架的存在條件
發(fā)布時(shí)間:2018-11-15 08:27
【摘要】:針對(duì)對(duì)偶小波框架具有雙正交基的某些性質(zhì),采用傅立葉分析方法與時(shí)頻分析方法,研究了多重Gabor框架與多重對(duì)偶小波框架之間的聯(lián)系.給出由一對(duì)多重對(duì)偶Gabor框架轉(zhuǎn)換為多重對(duì)偶小波框架的新方法.運(yùn)用雙線性泛函和局部可積函數(shù),得出了多重波包緊框架存在的條件.
[Abstract]:Aiming at some properties of dual wavelet frames with biorthogonal basis, the relationship between multiple Gabor frames and multiple dual wavelet frames is studied by Fourier analysis and time-frequency analysis. In this paper, a new method is presented to convert the dual Gabor frame from one to many to the dual wavelet frame. By using bilinear functional and locally integrable function, the conditions for the existence of multifold wave packet compact frame are obtained.
【作者單位】: 南陽理工學(xué)院師范學(xué)院;西安交通大學(xué)數(shù)學(xué)與統(tǒng)計(jì)學(xué)院;
【基金】:國家自然科學(xué)基金(61403298) 陜西省自然科學(xué)基金(2015JM1024)
【分類號(hào)】:O174.2
本文編號(hào):2332743
[Abstract]:Aiming at some properties of dual wavelet frames with biorthogonal basis, the relationship between multiple Gabor frames and multiple dual wavelet frames is studied by Fourier analysis and time-frequency analysis. In this paper, a new method is presented to convert the dual Gabor frame from one to many to the dual wavelet frame. By using bilinear functional and locally integrable function, the conditions for the existence of multifold wave packet compact frame are obtained.
【作者單位】: 南陽理工學(xué)院師范學(xué)院;西安交通大學(xué)數(shù)學(xué)與統(tǒng)計(jì)學(xué)院;
【基金】:國家自然科學(xué)基金(61403298) 陜西省自然科學(xué)基金(2015JM1024)
【分類號(hào)】:O174.2
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