MATLAB code for Amplitude modulation (AM) with modulation index. How to generate Amplitude modulation (AM) using MATLAB? AM is a method of transmitting signals, such as sound or digital information, in which the amplitude of carrier wave is changed according to the message signal. AM is widely used in electronic communication field. The plotting of AM signal using MATLAB is very easy. Here we are simply adding the carrier amplitude with message signal to obtain AM signal, then the instantaneous amplitude of carrier gets altered with respect to modulating signal. Thus the carrier amplitude varies according to the base band signal (message signal). The MATLAB code is shown below, the uses of particular code is also given in commented form (%Comment field). The program is capable of accepting two input frequencies and modulation index from the keyboard. Mathematical representation of AM Signal. If the message signal is represented by. I am trying to sample a sine wave and plot it's frequency components. How to get the FFT of a sine wave. Matlab Code: Amp = 1; freq = 100. File exchange and newsgroup access for the MATLAB & Simulink user community. Toggle Main Navigation. I have created a GUI called Sine Wave Simulator inputted by textboxes with an Axes command. Learn more about sine wave. Toggle Main Navigation. Log In; Products; Solutions; Academia; Support; Community; Events; Contact Us; How To Buy; Contact Us. Plotting a sine Wave — How to Think like a Computer Scientist: Interactive Edition. Have you ever used a graphing calculator?
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