University of New Hampshire, Faculty List
Kevin M. Short
If you want to see a short C.V., click here.
I have an
anonymous ftp directory
and can be reached at
Kevin.Short@unh.edu .
(click on the underlined items to follow the link)
CRASP RESEARCH on CHAOS and COMMUNICATIONS: To access monthly research reports for the CRASP project,click the links below.
To access the report for March 2000, click here.
Links to other places
The following are small demonstrations of areas where Nonlinear Dynamics
and Chaos can be applied:
- Click here
to see an mpeg demonstration of an application of nonlinear dynamics
(NLD) to the problem of cochannel demodulation of two MSK signals at
equal power. Here we apply the reconstruction techniques developed for
NLD analyses to map the MSK transmissions into a well-defined graphical
structure. Since we have two interfering signals, there are
essentially two separate pieces of the graph, which becomes evident
when we vary the phase relationship between the transmitters. The mpeg
movie depicts the effect of the varying phase on the graphical
structure. After viewing the movie, it became clear that there is some
potential to use these graphical techniques to determine which
transmitter is making a signal transition and, we hope, enable one to
separate the signals.
- Click here to see a cool mpeg demonstration
of sensitive dependence on initial conditions for the Lorenz system. You
will see a string of 100 initial conditions which evolve over time.
Credit for this demo to: Tom Doucette, trd@christa.unh.edu
- Click here to see an mpeg demonstration of the
synchronization of two chaotic systems. The systems here are based on the
Lorenz equations, where the x-coordinate of the first system is used to
drive the second system into synchrony. You will see two traces
representing the two systems. The traces will converge when synchrony is
achieved. The second system will be "kicked out" again after convergence,
so you can see that it resynchronizes quickly. (Coming soon) Click here
for references on chaotic synchronization.
Credit for the mpeg file again to: Tom Doucette, trd@christa.unh.edu
- Click here to find out about how Martians
can disrupt a moon launch and create a nifty nonlinear oscillator.
- The following link will take you to the home page of an engineering
company which has been working with me to develop engineering applications
of nonlinear dynamic signal processing:
Click here
Links to Math Course Home Pages
- Math 527 - Differential Equations with Linear Algebra