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The real part of a sinusoid carrier wave is called as

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The real part of a sinusoid carrier wave is called as

(a) Inphase

(b) Quadrature

(c) Inphase & Quadrature

(d) None of the mentioned

I got this question during an interview.

The above asked question is from Digital Bandpass Modulation Techniques in division Bandpass Modulation and Detection of Digital Communications

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Right answer is (a) Inphase

The best I can explain: The two main parts of sinusoid carrier wave – real part is called as inphase and the imaginary part is called as quadrature.

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