sp_S13_mud

sp_S13_mud - Lecture S13 Muddiest Points General Comments...

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Unformatted text preview: Lecture S13 Muddiest Points General Comments Today, we talked about noncausal systems, and the resulting Laplace transforms. The neat thing we found was that two different signals can have different Laplace transforms, if the transforms have different regions of convergence. Responses to Muddiest-Part-of-the-Lecture Cards (14 cards) 1. How does the determination of causality work with the relativity of time? (1 student) I assume that you are referring to the fact that in either special or general relativity, simultaneity of events at different points in space is not well defined. That’s not really an issue for us, because (a) we don’t deal with relativistic effects much in aerospace; (b) even if we did, if the system is localized in space, we can still define a causal system, since simultaneity is well defined for an input and output signal that occur at the same point in space; and (c) even if our system is distributed over space, so that simultaneity is not well defined, causality around any loop (such as a control loop) is still well defined....
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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sp_S13_mud - Lecture S13 Muddiest Points General Comments...

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