#complexnumbers are made up of two parts; a #real part, and an #imaginary part. They are often used when it is necessary to measure a quantity in two dimensions; for example, how #voltage and #current change over time as they pass through a #capacitor.

For a comprehensive and visually intuitive exploration of the Fourier Transform and its workings, I invite you to explore my book series on the Fourier Transform available at:
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