supported by National Natural Science Foundation of China (Grant Nos. 10901013, 10671008);Beijing Natural Science Foundation (Grant No. 1092001);the Scientific Research Common Program of Beijing Municipal Commission of Education (Grant No. KM201110005030);the Project Sponsored by SRF for ROCS, SEM of China
Given L, N, M ∈ N and an NZ-periodic set S in Z, let l2(S) be the closed subspace of l2(Z) consisting of sequences vanishing outside S. For f = { fl : 0≤l≤L-1 }l2(Z), we denote by G(f, N, M) the Gabor system genera...
Supported by the National Natural Science Foundation of China (10671008);Beijing Natural Science Foundation (1092001);the Scientific Research Common Program of Beijing Municipal Commission of Education;the Scientific Research Foundation for the Returned Overseas Chinese Scholars;State Education Ministry (SRF for ROCS, SEM)
This paper addresses the aliasing error in multiresolution analysis associated with a 2× 2 dilation expression of the Fourier transform of the aliasing error optimal L^2(R^2)-norm estimation of the aliasing error. ...
supported by National Natural Science Foundation of China (Grant No. 10671008);Beijing Natural Science Foundation (Grant No. 1092001);PHR (IHLB) and the project sponsored by SRF for ROCS,SEM of China
Due to its good potential for digital signal processing, discrete Gabor analysis has interested some mathematicians. This paper addresses Gabor systems on discrete periodic sets, which can model signals to appear peri...