Why do the addition of two orthogonal signals occupy more bandwidth than a single one?

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mohamis288

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Why does the addition of two orthogonal signals occupy more bandwidth than a single one?
 

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Easy peasy said:
your question is ill formed
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For example in a transmitter, we may use the original signal ( and then a filter and mixer) or we may use the I and Q signals of the original signal( and then a filter and mixer for each one). in the second condition, why do we have a wider bandwidth?
 

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Post the doc, we can probably get it translated with a utility.


Regards, Dana.
 

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