your physical system and controller as a block diagram.In this project for easy understanding, we used a product block as amultiplier instead of using a switch to be as close to the block diagram,much like this:The binary message is multiplied which is only +1v during ON time and-1v during OFF time to the carrier signal which is the sine wave. The finaloutput is then connected to the Scope block to display and graph thegathered data.Doing this project has given me insight on what really happens duringthe modulation and how to use the Simulink in MATLAB. It took me a fewhours just to be able to find each block diagram that I used to create theASK generation because I was not familiar in the Simulink of MATLAB and Iam more accustomed in using LabVIEW when it comes to this kind ofproject that uses a block diagram. It was a good thing that the ASKmodulation was already taught and on how the block diagram of ASKworks.I can safely admit that a simulation model is interactive because we canchange the parameter and immediately verify the result which is useful inour progressing era.
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