Pepito31 Pepito31 wrote:
Matt Ettus wrote:
Pepito31 Pepito31 wrote:
Hi,
I have recorded a signal that is spectrum inverted. I've heard that it's
possible to restore the signal by "swapping" I and Q, but I remember
that there was a "minus" to intruduce in-between.
Could you please help me, giving me the exact transformation to apply,
and eventually the associated limitations.
You can invert the spectrum of a complex signal by doing ONE and ONLY
ONE of the following:
swapping I and Q
negating I
negating Q
Matt
Thanks Matt,
For information, is this transformation only valid for a transformation
for a carrier centered on 0, or is it applicable to a carrier located
everywhere on the spectrum ?
Pepito
It will reverse the entire signal.
Matt
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