Conclusion :
Page 5
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Lesson overview
This lesson brings together the PDF, study notes and chapter flow so you can revise Modulation d'amplitude without losing the thread.
Conclusion :
Page 5
us + U0 = Usm cos (2πfst) + U0
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s(t) = k.up(t). (us(t) + U0)
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s(t) = k.Upm cos(2πfpt) (Usm cos(2πfst) + U0)
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cos(2πfst) + 1
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s(t) = A cos(2πfpt) (m cos(2πfst) + 1)
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u(t) = Um cos(2πf t)
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−1 ≤ cos(2πfst) ≤ 1
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−m ≤ m cos(2πfst) ≤ m
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Document vocabulary
tension · amplitude · modulation · ummax · ummin · fréquence · figure · porteuse · circuit · modulée
Lesson objective
Master "Course 1 - Modulation d'amplitude" in Modulation d'amplitude (Physics and Chemistry) and use it in exercises.
Quick method
Start with definitions, learn formulas/processes, redo one example, then solve one exercise without the correction.