Perturbation bounds for the generalized bott - duffin inverse 逆的扰动界
2.
Perturbation and equivalence of generalized frames yao xi - yan abstract : frames for a hilbert space h were formally defined by r . j . duffin and a . g . schaeffer [ 1 ] in 1952 Schaeffer [ 1 ]于1952年在研究非调和fourier分析时提出来的，它在小波分析的发展中起到了非常重要的作用。
3.
Frames that play an important role in wavelet analysis were firstly defined by r . j . duffin and a . g . schaeff ' er in 1952 when they studied the non - harmonious fourier series Schaeffer于1952年研究非调和fourier级数时正式提出的，它在小波分析的发展中起到了非常重要的作用。近几年来，由于d
