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# Posts tagged signal-processing

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4 posts
66%
+2 −0

What does it mean for signals to have impedance? To me, impedance is kinda like an "extended resistance" that also includes phase shift $$Z = R + jX$$It makes sense to me that components like cap...

3 answers  ·  posted 18d ago by Carl‭  ·  last activity 4d ago by jonathan_the_seagull‭

66%
+2 −0

According to Signal processing and linear systems by Lathi, the transfer function $H(j\omega)$ does not exist for systems with poles in the RHP: - This makes sense to me, since \$H(j\omega) = \fr...

2 answers  ·  posted 1y ago by Carl‭  ·  last activity 1y ago by a concerned citizen‭

60%
+1 −0

The term "Discrete" uses to describe a signal with two modes, but is there a term to describe a signal with just one mode or with three or more modes? Question update: Also, isn't a wave with just...

3 answers  ·  posted 1y ago by deleted user  ·  edited 1y ago by deleted user

60%
+1 −0

I just want to know why the Linear time-invariant(LTI) systems are a rich class in Signal Processing. Ofcourse there are different systems but still LTI is stressed a lot in academia. Is there any ...

1 answer  ·  posted 2y ago by aditya98‭  ·  last activity 2y ago by Olin Lathrop‭

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