毕业设计&课设-用MATLAB&amp；Simulink.zip

# Analog-Modulation-Techniques Analog Modulation Techniques (AM & FM) written in MATLAB & Simulink ## Amplitude Modulation Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In amplitude modulation, the amplitude (signal strength) of the carrier wave is varied in proportion to that of the message signal being transmitted. The message signal is, for example, a function of the sound to be reproduced by a loudspeaker, or the light intensity of pixels of a television screen Reference : http://ecelabs.njit.edu/ece489v2/lab2.php  ## Frequency/Angle Modulation In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave. In analog frequency modulation, such as FM radio broadcasting of an audio signal representing voice or music, the instantaneous frequency deviation, the difference between the frequency of the carrier and its center frequency, is proportional to the modulating signal. Reference : http://ecelabs.njit.edu/ece489v2/lab1.php