I'm a PhD student in ultrasound imaging in Tours, France. I'm studying the optimization of the contrast by the transmit signal. From tools of signal processing, I can find the best wave for the microbubbles in ultrasound contrast imaging. If you are interested, you can visited my web site.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.