Re: Orthogonal Signals Question

westocl wrote:
> Is the sole criterion for two signals to be orthogonal a cross
correlation
> type relation****p? Could two signals that have some frequency
cancellation
> when added together still be viewed as orthogonal?

> For example. if x(t) has fourier transform X(f), which has a magnitude
of
> 1 over some BW, B. And y(t) has fourier transform Y(f), has a magnitude
of
> 1 over the same band.

> If the sole requirement for signals to be orthogonal is int(x(t)*y(t))dt
=
> 0 over a time interval and x(t)^2 + y(t)^2 = (x(t)+y(t))^2., 

The ones I am used to have a w(t) weighting term.  It is often 1, but
in some cases it is another function.

http://en.wikipedia.org/wiki/Orthogonal#Orthogonal_functions

-- glen