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Your IQ demod provides phase of received signal. But why AM needs phase detection?
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The signal that i've to demodulate is in figure below
http://www.alteraforum.com/forum/attachment.php?attachmentid=11167&stc=1 the phase of that signal could change as in figure below
http://www.alteraforum.com/forum/attachment.php?attachmentid=11168&stc=1 the input signal could be also
http://www.alteraforum.com/forum/attachment.php?attachmentid=11169&stc=1 i do not understand how detect phase change... before or after fir filter?
could you explain me better? thanks
Honored Contributor
