digital communication principles

Using matlab writing program to solve 3 problems. The file is attached to view the problems and the tasks that needs to be done. In order to test your software you can generate some test [login to view URL] your report you should explain the code that you have written, the choice of data used for testing and discuss the results that you obtain. Justify your choice of carrier and sampling frequencies. Include example graphs corresponding to each of the above functions in your [login to view URL] your report you must include a printed listing with all the MATLAB code that you have written as an appendix at the end of the report. The code that you write should include comments.