vault backup: 2025-01-09 18:20:05

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Dane Sabo 2025-01-09 18:20:05 -05:00
parent fbbc7a1717
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@ -46,3 +46,4 @@ $$\delta_T(t) = \frac{1}{T} \sum_{N=-\infty}^N e^{j \omega_s T Nt} $$
The spectrum of the sampled signal is also a periodic function of frequency with period $\omega_s$. The spectrum of the sampled signal is also a periodic function of frequency with period $\omega_s$.
![[Pasted image 20250109181319.png]] ![[Pasted image 20250109181319.png]]
A lot of times, we need to filter the high frequency stuff out, or else we'll get some issues with aliasing.