Is it possible to perform wavelet analysis without the wavelet toolbox installed?

I am currently engaged in a study involving induction motor analysis. In this matter I would like to investigate alternative methods for analyzing the motor current rather than the established MCSA using FFT. One natural direction would be to apply Discrete Wavelet Transform (DWT) on the sampled current. In order to gain access to this toolbox I need to justify the need for it to my professor. Our school license does not include this toolbox and it must be bought specifically to each project.

So, is there any possibility to perform any kind of analysis with DWT not using the mentioned toolbox?

Answers appreciated :)

Answer 1

[Wayne King]

You can download and install WaveLab

http://www-stat.stanford.edu/~wavelab/

It is a free MATLAB Toolbox for wavelet and wavelet packet analysis.

In that Toolbox, FWT_PO.m is the file for the DWT for 1-D signals.