Changes between Version 56 and Version 57 of Other/Summer/2024/signal


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Timestamp:
Aug 6, 2024, 7:16:07 PM (4 months ago)
Author:
wesleychen
Comment:

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  • Other/Summer/2024/signal

    v56 v57  
    7272Note how the resulting signal is always real, even if the original signal had an imaginary component. It is important to remember that even though complex/imaginary signals are useful for various reasons, they don't actually exist in the real world because... well, they are imaginary!
    7373
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     74[[Image(Screen Shot 2024-08-06 at 3.13.48 PM.png, 300px)]]
     75[[Image(Screen Shot 2024-08-06 at 3.14.10 PM.png, 300px)]]
     76[[Image(Screen Shot 2024-08-06 at 3.14.18 PM.png​, 300px)]]
    7777
    7878Example of a sine wave modulated by a square wave (right). The square wave (middle) switches between 1 and -1 causing the sine wave (left) the flip over and over again.