Use the Haar wavelet family to expand the signal depicted in Fig. 12.56. (a) Use only scaling functions ϕ(4tk). (b) Use scaling functions and wavelets: ϕ(2tk) and ψ(2tk). (c) Using the scaling...

Use the Haar wavelet family to expand the signal depicted in Fig. 12.56.

(a) Use only scaling functions ϕ(4tk).

(b) Use scaling functions and wavelets: ϕ(2tk) and ψ(2tk).

(c) Using the scaling function and wavelets: ϕ(t), ψ(2tk), and ψ(tk).