plotXpose is a companion app with the book Mathematics for Electrical Engineering and Computing by Mary Attenborough - click for more info
 

Total reality!

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Look at a few graphs of periodic even functions e.g. y=1,
y=cos(pi*t), a triangular wave and a square wave with 0 phase, and examine their frequency spectrum in real/imaginary form.

What do you notice? Explain this with reference to the trigonometric form of the Fourier series.

#periodicfunctions #evenfunctions #triangularwave #squarewave #frequencyanalysis #fouriertransform #fourierseries #dsp


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plotXpose app is a companion to the book Mathematics for Electrical Engineering and Computing by Mary Attenborough, published by Newnes, 2003.