![]() ![]() ![]() Given the frequency of the sinewave, the next step is to determine the sampling rate.įor baseband signals, the sampling is straight forward. For example, we wish to generate a sine wave whose minimum and maximum amplitudes are -1V and +1V respectively. In order to generate a sine wave, the first step is to fix the frequency f of the sine wave. This article is part of the book Digital Modulations using Python, ISBN: 978-1712321638 available in ebook (PDF) and Paperback (hardcopy) formats If you are inclined towards Matlab programming, visit here. I intend to show (in a series of articles) how these basic signals can be generated in Python and how to represent them in frequency domain using FFT. ![]() Often we are confronted with the need to generate simple, standard signals (sine, cosine, Gaussian pulse, squarewave, isolated rectangular pulse, exponential decay, chirp signal) for simulation purpose. Numerous texts are available to explain the basics of Discrete Fourier Transform and its very efficient implementation – Fast Fourier Transform (FFT). Plot one-sided, double-sided and normalized spectrum using FFT. Key focus: Learn how to plot FFT of sine wave and cosine wave using Python.
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