Classes on the Intenet:

Classes with Notes by Alexander Donganzic
Introduction to Digital Signal Processing
Signals and Systems I
Digital Signal Processing
Discrete Signals and Systems
Probabilistic Methods for Electrical Engineers
Space-Time Processing
Links through http://home.eng.iastate.edu/~ald/

Links to Other Classes on the Web
MIT Open Course Ware: free on-line courses.
http://ocw.mit.edu/OcwWeb
      Circuits and Electronics
      Electromagnetic Fields, Forces, and Motion
      Electromagnetics and Applications
Edx
http://www.edxonline.org/

Coursera
https://www.coursera.org/courses

Stanford Engineering Everywhere.
http://see.stanford.edu/

Linear Algebra Review
http://www.cs.cmu.edu/~zkolter/course/linalg/index.html

Convex Optimization
By: Stephen P. Boyd
http://www.stanford.edu/~boyd/

Introduction to Linear Dynamical Systems
By: Stephen P. Boyd
http://www.stanford.edu/~boyd/

Digital Signal Processing.
By: Mike Zoltowski
http://cobweb.ecn.purdue.edu/~ee538/

Probability, random variables, and stochastic processes.
By: Athanasios Papoulis
http://www.mhhe.com/engcs/electrical/papoulis/

Lecture notes on Mathematical Finance
http://galton.uchicago.edu/~lalley/Courses/390/index.html
http://www.stat.uchicago.edu/~lalley/Courses/391/

Statistical Design and Analysis of Microarray Experiments.
By: LIU Peng
http://streaming.stat.iastate.edu/~stat416/index.php?dir=Lecture+Notes%2F

Sparse Representation and High-Dimensional Geometry
http://www.columbia.edu/~jw2966/course-FA11.html

Game Theory.
By: Matthew O. Jackson and Yoav Shoham
https://www.coursera.org/course/gametheory

Web Intelligence and Big Data
https://class.coursera.org/bigdata-2012-001/class/index

Introduction to Matrix Methods
By Stephen Boyd
http://stanford.edu/class/ee103/index.html

Radar and Communications: Statistical Signal Processing: Machine Learning