# Tag Info

## New answers tagged frequency-modulation

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### Fractional Frequency Shifting a Discrete Signal in the Frequency Domain

The frequency domain equivalent of frequency shifting is NOT sinc interpolation but circular convolution with a spectrum of $x[n] = e^{j2\pi\frac{n+\delta}{N}}$, where $\delta$ is your fractional ...
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1 vote

### Power of signal in specific frequency in FM and AM modulation

This is a common homework or quiz/test problem so I won’t bypass the learning experience by providing the full solution, but I will provide further details that will give intuitive insight into the ...
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