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Unformatted text preview: (b) In each case, highorder poles are about ten times removed from the dominant pole. Question: Are they important in each case? 7 (c) Consider G 1 ( s ): c 1 ( t ) = The residue of the complex pair contribution is small. (d) Consider G 2 ( s ): c 2 ( t ) = The residues of the faraway poles are comparable in magnitude to the residue of the pole at1. But the residues of the two faraway poles have nearly equal and opposite magnitudes, therefore they cancel each other and the pole at1 is dominant. In particular, the pole at1 is a good approximation for t > 4 (2% from the nal value). (e) See Figure E2.2 on the next page. 8 Insert Fig. E2.2 here. 9 4 What is important? 5 F8 example As part of your reading for this week, review the attached example on longitudinal response modes for the F8 aircraft. 10...
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This note was uploaded on 11/06/2011 for the course AERO 100 taught by Professor Willcox during the Fall '03 term at MIT.
 Fall '03
 willcox
 Aeronautics

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