Talk:Quadrature phase

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Article defines $x_Q\,$ as the "cosine" component, and then proceeds to associate $x_Q\,$ with $\sin(\omega t)\,$ .

$A\,$ and $B\,$ appear out of nowhere and are unnecessary.

$sin( \omega t + \theta )\,$ is a real-valued signal. So $x_I\,$ and $x_Q\,$ are not real and imaginary components.

The writer might be confusing complex signals with QAM.

--Bob K 17:57, 8 February 2006 (UTC)

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