Amplitude Modulation

Amplitude Modulation - 0 0 1© 2007 Texas Instruments Inc...

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Unformatted text preview: 0 - 0 - 1© 2007 Texas Instruments Inc, Content developed in partnership with Tel-Aviv UniversityFrom MATLAB® and Simulink® to Real Time with TI DSPsAmplitude ModulationSlide Slide 2© © 2007 Texas Instruments Inc, 2007 Texas Instruments Inc, Amplitude Modulation•Amplitude Modulation is a process where the amplitude of a carrier signal is altered according to information in a message signal. •The frequency of the carrier signal is usually much greater than the highest frequency of the input message signal. Slide Slide 3© © 2007 Texas Instruments Inc, 2007 Texas Instruments Inc, AM – Basic DefinitionsThe AM signalThe modulating signal:The Carrier Signal:(29tAtcccϖcos=(29 (29[ ]ttmkAtsccϖcos•+=1(29tm0.010.020.030.040.050.060.070.080.090.1-550.010.020.030.040.050.060.070.080.090.1-110.010.020.030.040.050.060.070.080.090.1-11Slide Slide 4© © 2007 Texas Instruments Inc, 2007 Texas Instruments Inc, AM – Basic Definitions (cont.)AM – Basic Definitions (cont....
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Amplitude Modulation - 0 0 1© 2007 Texas Instruments Inc...

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