Text: Fourier Analysis and Applications:
Filtering, Numerical Computation, Wavelets,
by Claude Gasquet and Patrick Witomski, translated by Robert D. Ryan,
(Springer Texts in Applied Mathematics)
See also
Wavelab (Stanford) Site for free wavelet software developed at Stanford
"Wavelets for Kids"
by Vidakovic and Mueller
A tutorial on wavelets (not really for kids, of course!)
A Friendly Guide to Wavelets by Gerald Kaiser, available online
through CSU library
"Wavelets and Signal Processing",
Rioul and Vetterli,
IEEE SP Magazine, October 1991
"Uncertainty Principles and Signal Recovery" D.L. Donoho and P.B. Stark,
SIAM J. Applied Math (June 1989) pp. 906-931.
"Prolate Spheroidal Wave Functions, Fourier Analysis and Uncertainty - I"
by D. Slepian and H.O. Pollak, Bell System Technical Journal 40 (1961).
See also other links at Wikipedia article on prolate spheroidal wave functions
Course Notes on zero-padding and interpolation
by James McClellan, Georgia Tech