Kenneth Crandall (@kchuck)

dsp fpga

Re: math/money reasoning issue, Not a spam Please

Reply posted 2 months ago (11/14/2022)
Yes, that is true, but also, the other debts have been extinguished!  The net state of the world has indeed affected several people . .  that's money flow.

Re: How do I produce a covariance matrix from IQ samples?

Reply posted 3 months ago (11/01/2022)
For the covariance matrix of a complex vector, see:https://en.wikipedia.org/wiki/Complex_random_vectorThe only catch with complex numbers is taking the complex conjugate...
You can certainly undersample (aka subsample) provided that the signal bandwidth is narrower than the sample rate.  It's done all the time, creating Nyquist zones. ...

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