Multiplying out the above equation, we obtain
The carrier
frequency is now present in the spectrum.
The second term can be expanded in the same way as was done for
RM (i.e. the sidebands are identical).
Figure 7:
Spectrum of amplitude modulation.
![\begin{figure}\centerline{%
\input{amspec.pstex_t}}\end{figure}](img25.png) |
``Music 171: Amplitude Modulation''
by Tamara Smyth,
Department of Music, University of California, San Diego (UCSD).
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Copyright © 2019-11-05 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>