Bayesian Blind Source Separation - Describes the blind separation problem and attacks it from a Bayesian perspective.
Site is in German and English.
PLL Dynamics - Developing better performance Phase Lock Loops for satellites, cellulars and wireless applications demanding high performances. Handles mixtures of hardware and software development on a range of platforms. You may load, save or generate signals and do various operations on and between the signals. Links to other signal processing research and development sites. Space and Signals Technologies - Signal processing consultants specializing in signal and image processing, geolocation, DSP and other signal noise reduction techniques.