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Results tagged with frequency-spectrum
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user 11809
The frequency spectrum of a time-domain signal is a representation of that signal in the frequency domain.
8
votes
5
answers
34k
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Difference between DC component and zero frequency component of signal
We know that Fourier Transform of a signal exists if it is absolutely integrable
and it exists for periodic signals if impulse functions are allowed.
If we consider the fourier transform of $\text{r …
- 585
2
votes
3
answers
610
views
White noise generation for different bandwidth signals in MATLAB
I'm working on simulating an uplink scenario in satellite communication. The goal is to send a preamble + data to the satellite from ground station. Data symbols have a bandwidth of $15\ \rm kHz$ and …
- 585
3
votes
2
answers
6k
views
Relation between the DTFT and the spectrum of a sampled signal
In the $\rm DTFT$ (Discrete Time Fourier Transform) the spectrum is periodic with a period of $2\pi$ . A continuous signal when sampled has a spectrum which is a repeated version of its original spect …
- 585